feat(game): 포션 시스템 및 UI 패널 추가

- 포션 시스템 구현 (PotionService, Potion 모델) - 포션 인벤토리 패널 위젯 - 활성 버프 패널 위젯 - 장비 스탯 패널 위젯 - 스킬 시스템 확장 - 일본어 번역 추가 - 전투 이벤트/상태 모델 개선
2025-12-21 23:53:27 +09:00
parent eb71d2a199
commit 7cd8be88df
25 changed files with 5174 additions and 261 deletions
--- a/lib/data/game_text_l10n.dart
+++ b/lib/data/game_text_l10n.dart
@@ -1,7 +1,9 @@
 // 게임 텍스트 로컬라이제이션 (BuildContext 없이 사용)
 // progress_service.dart, pq_logic.dart 등에서 사용
+// 지원 언어: 한국어(ko), 영어(en), 일본어(ja)

 import 'package:askiineverdie/data/game_translations_ko.dart';
+import 'package:askiineverdie/data/game_translations_ja.dart';

 /// 현재 게임 로케일 설정 (전역)
 String _currentLocale = 'en';
@@ -17,6 +19,9 @@ void setGameLocale(String locale) {
 /// 한국어 여부 확인
 bool get isKoreanLocale => _currentLocale == 'ko';

+/// 일본어 여부 확인
+bool get isJapaneseLocale => _currentLocale == 'ja';
+
 // ============================================================================
 // 프롤로그 텍스트
 // ============================================================================
@@ -35,199 +40,417 @@ const _prologueTextsKo = [
  '예상치 못한 결의로 널(Null) 왕국을 향한 위험한 여정을 시작하다',
 ];

-List<String> get prologueTexts =>
-    isKoreanLocale ? _prologueTextsKo : _prologueTextsEn;
+const _prologueTextsJa = [
+  'コードの神から不吉な幻影を受ける',
+  '老いたコンパイラー賢者が予言を明かす:「グリッチゴッドが目覚めた」',
+  '突然のバッファオーバーフローが村をリセットし、あなただけが唯一の生存者となる',
+  '予想外の決意で、ヌル(Null)王国への危険な旅に出発する',
+];
+
+List<String> get prologueTexts {
+  if (isKoreanLocale) return _prologueTextsKo;
+  if (isJapaneseLocale) return _prologueTextsJa;
+  return _prologueTextsEn;
+}

 // ============================================================================
 // 태스크 캡션
 // ============================================================================

-String get taskCompiling => isKoreanLocale ? '컴파일 중' : 'Compiling';
+String get taskCompiling {
+  if (isKoreanLocale) return '컴파일 중';
+  if (isJapaneseLocale) return 'コンパイル中';
+  return 'Compiling';
+}

-String get taskPrologue => isKoreanLocale ? '프롤로그' : 'Prologue';
+String get taskPrologue {
+  if (isKoreanLocale) return '프롤로그';
+  if (isJapaneseLocale) return 'プロローグ';
+  return 'Prologue';
+}

-String taskHeadingToMarket() =>
-    isKoreanLocale ? '전리품을 팔기 위해 데이터 마켓으로 이동 중' : 'Heading to the Data Market to trade loot';
+String taskHeadingToMarket() {
+  if (isKoreanLocale) return '전리품을 팔기 위해 데이터 마켓으로 이동 중';
+  if (isJapaneseLocale) return '戦利品を売るためデータマーケットへ移動中';
+  return 'Heading to the Data Market to trade loot';
+}

-String taskUpgradingHardware() =>
-    isKoreanLocale ? '테크 샵에서 하드웨어 업그레이드 중' : 'Upgrading hardware at the Tech Shop';
+String taskUpgradingHardware() {
+  if (isKoreanLocale) return '테크 샵에서 하드웨어 업그레이드 중';
+  if (isJapaneseLocale) return 'テックショップでハードウェアをアップグレード中';
+  return 'Upgrading hardware at the Tech Shop';
+}

-String taskEnteringDebugZone() =>
-    isKoreanLocale ? '디버그 존 진입 중' : 'Entering the Debug Zone';
+String taskEnteringDebugZone() {
+  if (isKoreanLocale) return '디버그 존 진입 중';
+  if (isJapaneseLocale) return 'デバッグゾーンに進入中';
+  return 'Entering the Debug Zone';
+}

-String taskDebugging(String monsterName) =>
-    isKoreanLocale ? '$monsterName 디버깅 중' : 'Debugging $monsterName';
+String taskDebugging(String monsterName) {
+  if (isKoreanLocale) return '$monsterName 디버깅 중';
+  if (isJapaneseLocale) return '$monsterName をデバッグ中';
+  return 'Debugging $monsterName';
+}

-String taskSelling(String itemDescription) =>
-    isKoreanLocale ? '$itemDescription 판매 중' : 'Selling $itemDescription';
+String taskSelling(String itemDescription) {
+  if (isKoreanLocale) return '$itemDescription 판매 중';
+  if (isJapaneseLocale) return '$itemDescription を販売中';
+  return 'Selling $itemDescription';
+}

 // ============================================================================
 // 퀘스트 캡션
 // ============================================================================

-String questPatch(String name) =>
-    isKoreanLocale ? '$name 패치하기' : 'Patch $name';
+String questPatch(String name) {
+  if (isKoreanLocale) return '$name 패치하기';
+  if (isJapaneseLocale) return '$name をパッチする';
+  return 'Patch $name';
+}

-String questLocate(String item) =>
-    isKoreanLocale ? '$item 찾기' : 'Locate $item';
+String questLocate(String item) {
+  if (isKoreanLocale) return '$item 찾기';
+  if (isJapaneseLocale) return '$item を探す';
+  return 'Locate $item';
+}

-String questTransfer(String item) =>
-    isKoreanLocale ? '이 $item 전송하기' : 'Transfer this $item';
+String questTransfer(String item) {
+  if (isKoreanLocale) return '이 $item 전송하기';
+  if (isJapaneseLocale) return 'この$item を転送する';
+  return 'Transfer this $item';
+}

-String questDownload(String item) =>
-    isKoreanLocale ? '$item 다운로드하기' : 'Download $item';
+String questDownload(String item) {
+  if (isKoreanLocale) return '$item 다운로드하기';
+  if (isJapaneseLocale) return '$item をダウンロードする';
+  return 'Download $item';
+}

-String questStabilize(String name) =>
-    isKoreanLocale ? '$name 안정화하기' : 'Stabilize $name';
+String questStabilize(String name) {
+  if (isKoreanLocale) return '$name 안정화하기';
+  if (isJapaneseLocale) return '$name を安定化する';
+  return 'Stabilize $name';
+}

 // ============================================================================
 // Act 제목
 // ============================================================================

-String actTitle(String romanNumeral) =>
-    isKoreanLocale ? '$romanNumeral막' : 'Act $romanNumeral';
+String actTitle(String romanNumeral) {
+  if (isKoreanLocale) return '$romanNumeral막';
+  if (isJapaneseLocale) return '第$romanNumeral幕';
+  return 'Act $romanNumeral';
+}

 // ============================================================================
 // 시네마틱 텍스트 - 시나리오 1: 캐시 존
 // ============================================================================

-String cinematicCacheZone1() => isKoreanLocale
-    ? '지쳐서 손상된 네트워크의 안전한 캐시 존에 도착하다'
-    : 'Exhausted, you reach a safe Cache Zone in the corrupted network';
+String cinematicCacheZone1() {
+  if (isKoreanLocale) return '지쳐서 손상된 네트워크의 안전한 캐시 존에 도착하다';
+  if (isJapaneseLocale) return '疲れ果てて、破損したネットワークの安全なキャッシュゾーンに到着する';
+  return 'Exhausted, you reach a safe Cache Zone in the corrupted network';
+}

-String cinematicCacheZone2() => isKoreanLocale
-    ? '옛 동맹들과 재연결하고 새로운 동료들을 포크하다'
-    : 'You reconnect with old allies and fork new ones';
+String cinematicCacheZone2() {
+  if (isKoreanLocale) return '옛 동맹들과 재연결하고 새로운 동료들을 포크하다';
+  if (isJapaneseLocale) return '古い同盟者と再接続し、新しい仲間をフォークする';
+  return 'You reconnect with old allies and fork new ones';
+}

-String cinematicCacheZone3() => isKoreanLocale
-    ? '디버거 기사단 회의에 참석하다'
-    : 'You attend a council of the Debugger Knights';
+String cinematicCacheZone3() {
+  if (isKoreanLocale) return '디버거 기사단 회의에 참석하다';
+  if (isJapaneseLocale) return 'デバッガー騎士団の会議に参加する';
+  return 'You attend a council of the Debugger Knights';
+}

-String cinematicCacheZone4() => isKoreanLocale
-    ? '많은 버그들이 기다린다. 당신이 패치하도록 선택되었다!'
-    : 'Many bugs await. You are chosen to patch them!';
+String cinematicCacheZone4() {
+  if (isKoreanLocale) return '많은 버그들이 기다린다. 당신이 패치하도록 선택되었다!';
+  if (isJapaneseLocale) return '多くのバグが待っている。あなたがパッチを当てるよう選ばれた！';
+  return 'Many bugs await. You are chosen to patch them!';
+}

 // ============================================================================
 // 시네마틱 텍스트 - 시나리오 2: 전투
 // ============================================================================

-String cinematicCombat1() => isKoreanLocale
-    ? '목표가 눈앞에 있지만, 치명적인 버그가 길을 막는다!'
-    : 'Your target is in sight, but a critical bug blocks your path!';
+String cinematicCombat1() {
+  if (isKoreanLocale) return '목표가 눈앞에 있지만, 치명적인 버그가 길을 막는다!';
+  if (isJapaneseLocale) return 'ターゲットは目の前だが、致命的なバグが道を塞ぐ！';
+  return 'Your target is in sight, but a critical bug blocks your path!';
+}

-String cinematicCombat2(String nemesis) => isKoreanLocale
-    ? '$nemesis와의 필사적인 디버깅 세션이 시작되다'
-    : 'A desperate debugging session begins with $nemesis';
+String cinematicCombat2(String nemesis) {
+  if (isKoreanLocale) return '$nemesis와의 필사적인 디버깅 세션이 시작되다';
+  if (isJapaneseLocale) return '$nemesisとの必死のデバッグセッションが始まる';
+  return 'A desperate debugging session begins with $nemesis';
+}

-String cinematicCombatLocked(String nemesis) => isKoreanLocale
-    ? '$nemesis와 치열한 디버깅 중'
-    : 'Locked in intense debugging with $nemesis';
+String cinematicCombatLocked(String nemesis) {
+  if (isKoreanLocale) return '$nemesis와 치열한 디버깅 중';
+  if (isJapaneseLocale) return '$nemesisと激しいデバッグ中';
+  return 'Locked in intense debugging with $nemesis';
+}

-String cinematicCombatCorrupts(String nemesis) => isKoreanLocale
-    ? '$nemesis가 당신의 스택 트레이스를 손상시키다'
-    : '$nemesis corrupts your stack trace';
+String cinematicCombatCorrupts(String nemesis) {
+  if (isKoreanLocale) return '$nemesis가 당신의 스택 트레이스를 손상시키다';
+  if (isJapaneseLocale) return '$nemesisがあなたのスタックトレースを破損させる';
+  return '$nemesis corrupts your stack trace';
+}

-String cinematicCombatWorking(String nemesis) => isKoreanLocale
-    ? '당신의 패치가 $nemesis에게 효과를 보이는 것 같다'
-    : 'Your patch seems to be working against $nemesis';
+String cinematicCombatWorking(String nemesis) {
+  if (isKoreanLocale) return '당신의 패치가 $nemesis에게 효과를 보이는 것 같다';
+  if (isJapaneseLocale) return 'あなたのパッチが$nemesisに効いているようだ';
+  return 'Your patch seems to be working against $nemesis';
+}

-String cinematicCombatVictory(String nemesis) => isKoreanLocale
-    ? '승리! $nemesis가 패치되었다! 복구를 위해 시스템이 재부팅된다'
-    : 'Victory! $nemesis is patched! System reboots for recovery';
+String cinematicCombatVictory(String nemesis) {
+  if (isKoreanLocale) return '승리! $nemesis가 패치되었다! 복구를 위해 시스템이 재부팅된다';
+  if (isJapaneseLocale) return '勝利！$nemesisはパッチされた！復旧のためシステムが再起動する';
+  return 'Victory! $nemesis is patched! System reboots for recovery';
+}

-String cinematicCombatWakeUp() => isKoreanLocale
-    ? '안전 모드에서 깨어나지만, 커널이 기다린다'
-    : 'You wake up in a Safe Mode, but the kernel awaits';
+String cinematicCombatWakeUp() {
+  if (isKoreanLocale) return '안전 모드에서 깨어나지만, 커널이 기다린다';
+  if (isJapaneseLocale) return 'セーフモードで目覚めるが、カーネルが待ち構えている';
+  return 'You wake up in a Safe Mode, but the kernel awaits';
+}

 // ============================================================================
 // 시네마틱 텍스트 - 시나리오 3: 배신
 // ============================================================================

-String cinematicBetrayal1(String guy) => isKoreanLocale
-    ? '안도감! $guy의 보안 서버에 도착하다'
-    : 'What relief! You reach the secure server of $guy';
+String cinematicBetrayal1(String guy) {
+  if (isKoreanLocale) return '안도감! $guy의 보안 서버에 도착하다';
+  if (isJapaneseLocale) return '安堵！$guyのセキュアサーバーに到着する';
+  return 'What relief! You reach the secure server of $guy';
+}

-String cinematicBetrayal2(String guy) => isKoreanLocale
-    ? '축하가 이어지고, $guy와 수상한 비밀 핸드셰이크를 나누다'
-    : 'There is celebration, and a suspicious private handshake with $guy';
+String cinematicBetrayal2(String guy) {
+  if (isKoreanLocale) return '축하가 이어지고, $guy와 수상한 비밀 핸드셰이크를 나누다';
+  if (isJapaneseLocale) return '祝賀が続き、$guyと怪しい秘密のハンドシェイクを交わす';
+  return 'There is celebration, and a suspicious private handshake with $guy';
+}

-String cinematicBetrayal3(String item) => isKoreanLocale
-    ? '$item을 잊고 다시 가져오러 돌아가다'
-    : 'You forget your $item and go back to retrieve it';
+String cinematicBetrayal3(String item) {
+  if (isKoreanLocale) return '$item을 잊고 다시 가져오러 돌아가다';
+  if (isJapaneseLocale) return '$itemを忘れて取りに戻る';
+  return 'You forget your $item and go back to retrieve it';
+}

-String cinematicBetrayal4() => isKoreanLocale
-    ? '이게 뭐지!? 손상된 패킷을 가로채다!'
-    : 'What is this!? You intercept a corrupted packet!';
+String cinematicBetrayal4() {
+  if (isKoreanLocale) return '이게 뭐지!? 손상된 패킷을 가로채다!';
+  if (isJapaneseLocale) return 'これは何だ！？破損したパケットを傍受する！';
+  return 'What is this!? You intercept a corrupted packet!';
+}

-String cinematicBetrayal5(String guy) => isKoreanLocale
-    ? '$guy가 글리치 신의 백도어일 수 있을까?'
-    : 'Could $guy be a backdoor for the Glitch God?';
+String cinematicBetrayal5(String guy) {
+  if (isKoreanLocale) return '$guy가 글리치 신의 백도어일 수 있을까?';
+  if (isJapaneseLocale) return '$guyはグリッチゴッドのバックドアなのか？';
+  return 'Could $guy be a backdoor for the Glitch God?';
+}

-String cinematicBetrayal6() => isKoreanLocale
-    ? '이 정보를 누구에게 맡길 수 있을까!? -- 바이너리 신전이다'
-    : 'Who can be trusted with this intel!? -- The Binary Temple, of course';
+String cinematicBetrayal6() {
+  if (isKoreanLocale) return '이 정보를 누구에게 맡길 수 있을까!? -- 바이너리 신전이다';
+  if (isJapaneseLocale) return 'この情報を誰に託せるか！？ -- バイナリ神殿だ';
+  return 'Who can be trusted with this intel!? -- The Binary Temple, of course';
+}

 // ============================================================================
 // 몬스터 수식어
 // ============================================================================

-String modifierDead(String s) => isKoreanLocale ? '쓰러진 $s' : 'fallen $s';
-String modifierComatose(String s) => isKoreanLocale ? '잠복하는 $s' : 'lurking $s';
-String modifierCrippled(String s) => isKoreanLocale ? '흉측한 $s' : 'twisted $s';
-String modifierSick(String s) => isKoreanLocale ? '오염된 $s' : 'tainted $s';
-String modifierUndernourished(String s) =>
-    isKoreanLocale ? '굶주린 $s' : 'ravenous $s';
+String modifierDead(String s) {
+  if (isKoreanLocale) return '쓰러진 $s';
+  if (isJapaneseLocale) return '倒れた$s';
+  return 'fallen $s';
+}

-String modifierFoetal(String s) => isKoreanLocale ? '태동기 $s' : 'nascent $s';
-String modifierBaby(String s) => isKoreanLocale ? '초기형 $s' : 'fledgling $s';
-String modifierPreadolescent(String s) =>
-    isKoreanLocale ? '진화 중인 $s' : 'evolving $s';
-String modifierTeenage(String s) => isKoreanLocale ? '하급 $s' : 'lesser $s';
-String modifierUnderage(String s) => isKoreanLocale ? '불완전한 $s' : 'incomplete $s';
+String modifierComatose(String s) {
+  if (isKoreanLocale) return '잠복하는 $s';
+  if (isJapaneseLocale) return '潜む$s';
+  return 'lurking $s';
+}

-String modifierGreater(String s) => isKoreanLocale ? '상위 $s' : 'greater $s';
-String modifierMassive(String s) => isKoreanLocale ? '거대한 $s' : 'massive $s';
-String modifierEnormous(String s) => isKoreanLocale ? '초거대 $s' : 'enormous $s';
-String modifierGiant(String s) => isKoreanLocale ? '자이언트 $s' : 'giant $s';
-String modifierTitanic(String s) => isKoreanLocale ? '타이타닉 $s' : 'titanic $s';
+String modifierCrippled(String s) {
+  if (isKoreanLocale) return '흉측한 $s';
+  if (isJapaneseLocale) return '歪んだ$s';
+  return 'twisted $s';
+}

-String modifierVeteran(String s) => isKoreanLocale ? '베테랑 $s' : 'veteran $s';
-String modifierBattle(String s) => isKoreanLocale ? '전투-$s' : 'Battle-$s';
-String modifierCursed(String s) => isKoreanLocale ? '저주받은 $s' : 'cursed $s';
-String modifierWarrior(String s) => isKoreanLocale ? '전사 $s' : 'warrior $s';
-String modifierWere(String s) => isKoreanLocale ? '늑대인간-$s' : 'Were-$s';
-String modifierUndead(String s) => isKoreanLocale ? '언데드 $s' : 'undead $s';
-String modifierDemon(String s) => isKoreanLocale ? '데몬 $s' : 'demon $s';
+String modifierSick(String s) {
+  if (isKoreanLocale) return '오염된 $s';
+  if (isJapaneseLocale) return '汚染された$s';
+  return 'tainted $s';
+}

-String modifierMessianic(String s) => isKoreanLocale ? '메시아닉 $s' : 'messianic $s';
-String modifierImaginary(String s) => isKoreanLocale ? '상상의 $s' : 'imaginary $s';
-String modifierPassing(String s) => isKoreanLocale ? '지나가는 $s' : 'passing $s';
+String modifierUndernourished(String s) {
+  if (isKoreanLocale) return '굶주린 $s';
+  if (isJapaneseLocale) return '飢えた$s';
+  return 'ravenous $s';
+}
+
+String modifierFoetal(String s) {
+  if (isKoreanLocale) return '태동기 $s';
+  if (isJapaneseLocale) return '胎動期$s';
+  return 'nascent $s';
+}
+
+String modifierBaby(String s) {
+  if (isKoreanLocale) return '초기형 $s';
+  if (isJapaneseLocale) return '初期型$s';
+  return 'fledgling $s';
+}
+
+String modifierPreadolescent(String s) {
+  if (isKoreanLocale) return '진화 중인 $s';
+  if (isJapaneseLocale) return '進化中の$s';
+  return 'evolving $s';
+}
+
+String modifierTeenage(String s) {
+  if (isKoreanLocale) return '하급 $s';
+  if (isJapaneseLocale) return '下級$s';
+  return 'lesser $s';
+}
+
+String modifierUnderage(String s) {
+  if (isKoreanLocale) return '불완전한 $s';
+  if (isJapaneseLocale) return '不完全な$s';
+  return 'incomplete $s';
+}
+
+String modifierGreater(String s) {
+  if (isKoreanLocale) return '상위 $s';
+  if (isJapaneseLocale) return '上位$s';
+  return 'greater $s';
+}
+
+String modifierMassive(String s) {
+  if (isKoreanLocale) return '거대한 $s';
+  if (isJapaneseLocale) return '巨大な$s';
+  return 'massive $s';
+}
+
+String modifierEnormous(String s) {
+  if (isKoreanLocale) return '초거대 $s';
+  if (isJapaneseLocale) return '超巨大$s';
+  return 'enormous $s';
+}
+
+String modifierGiant(String s) {
+  if (isKoreanLocale) return '자이언트 $s';
+  if (isJapaneseLocale) return 'ジャイアント$s';
+  return 'giant $s';
+}
+
+String modifierTitanic(String s) {
+  if (isKoreanLocale) return '타이타닉 $s';
+  if (isJapaneseLocale) return 'タイタニック$s';
+  return 'titanic $s';
+}
+
+String modifierVeteran(String s) {
+  if (isKoreanLocale) return '베테랑 $s';
+  if (isJapaneseLocale) return 'ベテラン$s';
+  return 'veteran $s';
+}
+
+String modifierBattle(String s) {
+  if (isKoreanLocale) return '전투-$s';
+  if (isJapaneseLocale) return '戦闘-$s';
+  return 'Battle-$s';
+}
+
+String modifierCursed(String s) {
+  if (isKoreanLocale) return '저주받은 $s';
+  if (isJapaneseLocale) return '呪われた$s';
+  return 'cursed $s';
+}
+
+String modifierWarrior(String s) {
+  if (isKoreanLocale) return '전사 $s';
+  if (isJapaneseLocale) return '戦士$s';
+  return 'warrior $s';
+}
+
+String modifierWere(String s) {
+  if (isKoreanLocale) return '늑대인간-$s';
+  if (isJapaneseLocale) return '狼男-$s';
+  return 'Were-$s';
+}
+
+String modifierUndead(String s) {
+  if (isKoreanLocale) return '언데드 $s';
+  if (isJapaneseLocale) return 'アンデッド$s';
+  return 'undead $s';
+}
+
+String modifierDemon(String s) {
+  if (isKoreanLocale) return '데몬 $s';
+  if (isJapaneseLocale) return 'デーモン$s';
+  return 'demon $s';
+}
+
+String modifierMessianic(String s) {
+  if (isKoreanLocale) return '메시아닉 $s';
+  if (isJapaneseLocale) return 'メシアニック$s';
+  return 'messianic $s';
+}
+
+String modifierImaginary(String s) {
+  if (isKoreanLocale) return '상상의 $s';
+  if (isJapaneseLocale) return '想像上の$s';
+  return 'imaginary $s';
+}
+
+String modifierPassing(String s) {
+  if (isKoreanLocale) return '지나가는 $s';
+  if (isJapaneseLocale) return '通りすがりの$s';
+  return 'passing $s';
+}

 // ============================================================================
 // 시간 표시
 // ============================================================================

-String roughTimeSeconds(int seconds) =>
-    isKoreanLocale ? '$seconds초' : '$seconds seconds';
+String roughTimeSeconds(int seconds) {
+  if (isKoreanLocale) return '$seconds초';
+  if (isJapaneseLocale) return '$seconds秒';
+  return '$seconds seconds';
+}

-String roughTimeMinutes(int minutes) =>
-    isKoreanLocale ? '$minutes분' : '$minutes minutes';
+String roughTimeMinutes(int minutes) {
+  if (isKoreanLocale) return '$minutes분';
+  if (isJapaneseLocale) return '$minutes分';
+  return '$minutes minutes';
+}

-String roughTimeHours(int hours) =>
-    isKoreanLocale ? '$hours시간' : '$hours hours';
+String roughTimeHours(int hours) {
+  if (isKoreanLocale) return '$hours시간';
+  if (isJapaneseLocale) return '$hours時間';
+  return '$hours hours';
+}

-String roughTimeDays(int days) =>
-    isKoreanLocale ? '$days일' : '$days days';
+String roughTimeDays(int days) {
+  if (isKoreanLocale) return '$days일';
+  if (isJapaneseLocale) return '$days日';
+  return '$days days';
+}

 // ============================================================================
-// 영어 문법 함수 (한국어에서는 단순화)
+// 영어 문법 함수 (한국어/일본어에서는 단순화)
 // ============================================================================

-/// 관사 + 명사 (한국어: 수량만 표시)
+/// 관사 + 명사 (한국어/일본어: 수량만 표시)
 String indefiniteL10n(String s, int qty) {
  if (isKoreanLocale) {
    return qty == 1 ? s : '$qty $s';
  }
+  if (isJapaneseLocale) {
+    return qty == 1 ? s : '$qty $s';
+  }
  // 영어 로직
  if (qty == 1) {
    const vowels = 'AEIOUÜaeiouü';
@@ -238,9 +461,9 @@ String indefiniteL10n(String s, int qty) {
  return '$qty ${_pluralize(s)}';
 }

-/// the + 명사 (한국어: 그냥 명사)
+/// the + 명사 (한국어/일본어: 그냥 명사)
 String definiteL10n(String s, int qty) {
-  if (isKoreanLocale) {
+  if (isKoreanLocale || isJapaneseLocale) {
    return s;
  }
  // 영어 로직
@@ -266,70 +489,202 @@ String _pluralize(String s) {
 // impressiveGuy 관련
 // ============================================================================

-String impressiveGuyPattern1(String title, String race) => isKoreanLocale
+String impressiveGuyPattern1(String title, String race) {
+  if (isKoreanLocale) {
    // ignore: unnecessary_brace_in_string_interps
-    ? '${race}들의 $title' // 한국어 조사 연결을 위해 중괄호 필요
-    : 'the $title of the ${_pluralize(race)}';
+    return '${race}들의 $title'; // 한국어 조사 연결을 위해 중괄호 필요
+  }
+  if (isJapaneseLocale) {
+    // ignore: unnecessary_brace_in_string_interps
+    return '${race}たちの$title'; // 일본어 연결을 위해 중괄호 필요
+  }
+  return 'the $title of the ${_pluralize(race)}';
+}

-String impressiveGuyPattern2(String title, String name1, String name2) =>
-    isKoreanLocale
-        ? '$name2의 $title $name1'
-        : '$title $name1 of $name2';
+String impressiveGuyPattern2(String title, String name1, String name2) {
+  if (isKoreanLocale) return '$name2의 $title $name1';
+  if (isJapaneseLocale) return '$name2の$title $name1';
+  return '$title $name1 of $name2';
+}

 // ============================================================================
 // namedMonster 관련
 // ============================================================================

-String namedMonsterFormat(String generatedName, String monsterType) =>
-    isKoreanLocale
-        ? '$monsterType $generatedName'
-        : '$generatedName the $monsterType';
+String namedMonsterFormat(String generatedName, String monsterType) {
+  if (isKoreanLocale) return '$monsterType $generatedName';
+  if (isJapaneseLocale) return '$monsterType $generatedName';
+  return '$generatedName the $monsterType';
+}

 // ============================================================================
 // 게임 데이터 번역 함수 (BuildContext 없이 사용)
+// 지원 언어: 한국어(ko), 영어(en), 일본어(ja)
 // ============================================================================

-/// 몬스터 이름 번역
-String translateMonster(String englishName) =>
-    isKoreanLocale ? (monsterTranslationsKo[englishName] ?? englishName) : englishName;
+/// 몬스터 이름 번역 (기본 + 고급 몬스터 포함)
+String translateMonster(String englishName) {
+  if (isKoreanLocale) {
+    return monsterTranslationsKo[englishName] ??
+        advancedMonsterTranslationsKo[englishName] ??
+        englishName;
+  }
+  if (isJapaneseLocale) {
+    return monsterTranslationsJa[englishName] ??
+        advancedMonsterTranslationsJa[englishName] ??
+        englishName;
+  }
+  return englishName;
+}

 /// 종족 이름 번역
-String translateRace(String englishName) =>
-    isKoreanLocale ? (raceTranslationsKo[englishName] ?? englishName) : englishName;
+String translateRace(String englishName) {
+  if (isKoreanLocale) return raceTranslationsKo[englishName] ?? englishName;
+  if (isJapaneseLocale) return raceTranslationsJa[englishName] ?? englishName;
+  return englishName;
+}

 /// 직업 이름 번역
-String translateKlass(String englishName) =>
-    isKoreanLocale ? (klassTranslationsKo[englishName] ?? englishName) : englishName;
+String translateKlass(String englishName) {
+  if (isKoreanLocale) return klassTranslationsKo[englishName] ?? englishName;
+  if (isJapaneseLocale) return klassTranslationsJa[englishName] ?? englishName;
+  return englishName;
+}

 /// 칭호 이름 번역
-String translateTitle(String englishName) =>
-    isKoreanLocale ? (titleTranslationsKo[englishName] ?? englishName) : englishName;
+String translateTitle(String englishName) {
+  if (isKoreanLocale) return titleTranslationsKo[englishName] ?? englishName;
+  if (isJapaneseLocale) return titleTranslationsJa[englishName] ?? englishName;
+  return englishName;
+}

 /// 인상적인 칭호 번역 (impressiveTitles용)
-String translateImpressiveTitle(String englishName) =>
-    isKoreanLocale ? (impressiveTitleTranslationsKo[englishName] ?? englishName) : englishName;
+String translateImpressiveTitle(String englishName) {
+  if (isKoreanLocale) {
+    return impressiveTitleTranslationsKo[englishName] ?? englishName;
+  }
+  if (isJapaneseLocale) {
+    return impressiveTitleTranslationsJa[englishName] ?? englishName;
+  }
+  return englishName;
+}

 /// 특수 아이템 이름 번역
-String translateSpecial(String englishName) =>
-    isKoreanLocale ? (specialTranslationsKo[englishName] ?? englishName) : englishName;
+String translateSpecial(String englishName) {
+  if (isKoreanLocale) return specialTranslationsKo[englishName] ?? englishName;
+  if (isJapaneseLocale) return specialTranslationsJa[englishName] ?? englishName;
+  return englishName;
+}

-/// 아이템 속성 이름 번역
-String translateItemAttrib(String englishName) =>
-    isKoreanLocale ? (itemAttribTranslationsKo[englishName] ?? englishName) : englishName;
+/// 아이템 속성 이름 번역 (기본 + 추가 속성 포함)
+String translateItemAttrib(String englishName) {
+  if (isKoreanLocale) {
+    return itemAttribTranslationsKo[englishName] ??
+        additionalItemAttribTranslationsKo[englishName] ??
+        englishName;
+  }
+  if (isJapaneseLocale) {
+    return itemAttribTranslationsJa[englishName] ??
+        additionalItemAttribTranslationsJa[englishName] ??
+        englishName;
+  }
+  return englishName;
+}

-/// 아이템 "~의" 접미사 번역
-String translateItemOf(String englishName) =>
-    isKoreanLocale ? (itemOfsTranslationsKo[englishName] ?? englishName) : englishName;
+/// 아이템 "~의" 접미사 번역 (기본 + 추가 포함)
+String translateItemOf(String englishName) {
+  if (isKoreanLocale) {
+    return itemOfsTranslationsKo[englishName] ??
+        additionalItemOfsTranslationsKo[englishName] ??
+        englishName;
+  }
+  if (isJapaneseLocale) {
+    return itemOfsTranslationsJa[englishName] ??
+        additionalItemOfsTranslationsJa[englishName] ??
+        englishName;
+  }
+  return englishName;
+}

-/// 단순 아이템 번역
-String translateBoringItem(String englishName) =>
-    isKoreanLocale ? (boringItemTranslationsKo[englishName] ?? englishName) : englishName;
+/// 단순 아이템 번역 (기본 + 추가 드롭 포함)
+String translateBoringItem(String englishName) {
+  if (isKoreanLocale) {
+    return boringItemTranslationsKo[englishName] ??
+        dropItemTranslationsKo[englishName] ??
+        additionalDropTranslationsKo[englishName] ??
+        englishName;
+  }
+  if (isJapaneseLocale) {
+    return boringItemTranslationsJa[englishName] ??
+        dropItemTranslationsJa[englishName] ??
+        additionalDropTranslationsJa[englishName] ??
+        englishName;
+  }
+  return englishName;
+}

 /// interestingItem 번역 (attrib + special 조합)
-/// 예: "Golden Iterator" → "황금 이터레이터"
+/// 예: "Golden Iterator" → "황금 이터레이터" / "黄金のイテレーター"
 String translateInterestingItem(String attrib, String special) {
-  if (!isKoreanLocale) return '$attrib $special';
-  final translatedAttrib = itemAttribTranslationsKo[attrib] ?? attrib;
-  final translatedSpecial = specialTranslationsKo[special] ?? special;
-  return '$translatedAttrib $translatedSpecial';
+  if (isKoreanLocale) {
+    final translatedAttrib = itemAttribTranslationsKo[attrib] ??
+        additionalItemAttribTranslationsKo[attrib] ??
+        attrib;
+    final translatedSpecial = specialTranslationsKo[special] ?? special;
+    return '$translatedAttrib $translatedSpecial';
+  }
+  if (isJapaneseLocale) {
+    final translatedAttrib = itemAttribTranslationsJa[attrib] ??
+        additionalItemAttribTranslationsJa[attrib] ??
+        attrib;
+    final translatedSpecial = specialTranslationsJa[special] ?? special;
+    return '$translatedAttrib$translatedSpecial';
+  }
+  return '$attrib $special';
+}
+
+// ============================================================================
+// 스토리/시네마틱 번역 함수 (Story/Cinematic Translation Functions)
+// ============================================================================
+
+/// Act 제목 번역
+String translateActTitle(String englishTitle) {
+  if (isKoreanLocale) return actTitleTranslationsKo[englishTitle] ?? englishTitle;
+  if (isJapaneseLocale) return actTitleTranslationsJa[englishTitle] ?? englishTitle;
+  return englishTitle;
+}
+
+/// Act 보스 이름 번역
+String translateActBoss(String englishBoss) {
+  if (isKoreanLocale) return actBossTranslationsKo[englishBoss] ?? englishBoss;
+  if (isJapaneseLocale) return actBossTranslationsJa[englishBoss] ?? englishBoss;
+  return englishBoss;
+}
+
+/// Act 퀘스트 번역
+String translateActQuest(String englishQuest) {
+  if (isKoreanLocale) return actQuestTranslationsKo[englishQuest] ?? englishQuest;
+  if (isJapaneseLocale) return actQuestTranslationsJa[englishQuest] ?? englishQuest;
+  return englishQuest;
+}
+
+/// 시네마틱 텍스트 번역
+String translateCinematic(String englishText) {
+  if (isKoreanLocale) return cinematicTranslationsKo[englishText] ?? englishText;
+  if (isJapaneseLocale) return cinematicTranslationsJa[englishText] ?? englishText;
+  return englishText;
+}
+
+/// 지역 이름 번역
+String translateLocation(String englishLocation) {
+  if (isKoreanLocale) return locationTranslationsKo[englishLocation] ?? englishLocation;
+  if (isJapaneseLocale) return locationTranslationsJa[englishLocation] ?? englishLocation;
+  return englishLocation;
+}
+
+/// 세력/조직 이름 번역
+String translateFaction(String englishFaction) {
+  if (isKoreanLocale) return factionTranslationsKo[englishFaction] ?? englishFaction;
+  if (isJapaneseLocale) return factionTranslationsJa[englishFaction] ?? englishFaction;
+  return englishFaction;
 }
--- a/lib/data/game_translations_ja.dart
+++ b/lib/data/game_translations_ja.dart
--- a/lib/data/game_translations_ko.dart
+++ b/lib/data/game_translations_ko.dart
@@ -1,5 +1,31 @@
+// ============================================================================
 // ASCII NEVER DIE 한국어 번역 데이터
-// 게임 데이터의 한국어 번역을 제공합니다.
+// ============================================================================
+//
+// 이 파일은 게임의 모든 한국어 번역을 포함합니다.
+// 영문 원본은 pq_config_data.dart에 정의되어 있습니다.
+//
+// ## 세계관 (World Setting)
+// 아스키나라(ASCII-Nara): 코드의 신이 창조한 디지털 판타지 세계
+// - 널(Null) 왕국: 모험자들이 시작하는 중앙 도시 (64비트 왕 통치)
+// - 코어의 심연: 전설적 장비가 발견되는 고대 던전
+// - 글리치 영역: 버그와 오류로 현실이 뒤틀린 지역
+// - 바이너리 신전: 코드의 신을 숭배하는 신성한 장소
+//
+// ## 번역 구조
+// - 기본 번역 Maps: raceTranslationsKo, klassTranslationsKo, monsterTranslationsKo 등
+// - 추가 번역 Maps: advancedMonsterTranslationsKo, additionalDropTranslationsKo 등
+// - 스토리 번역 Maps: actTitleTranslationsKo, cinematicTranslationsKo 등
+// - 세계관 번역 Maps: locationTranslationsKo, factionTranslationsKo
+//
+// ## 번역 함수 사용 (game_text_l10n.dart)
+// - translateMonster(name): 몬스터 이름 번역
+// - translateRace(name): 종족 이름 번역
+// - translateItemAttrib(name): 아이템 속성 번역
+// - translateCinematic(text): 시네마틱 텍스트 번역
+// - 등등...
+//
+// ============================================================================

 /// 종족 이름 한국어 번역
 const Map<String, String> raceTranslationsKo = {
@@ -1101,3 +1127,415 @@ const Map<String, String> dropItemTranslationsKo = {
  'privilege escape': '권한 탈출',
  'heap overflow': '힙 오버플로우',
 };
+
+// ============================================================================
+// 스토리/시네마틱 한국어 번역 (Story/Cinematic Translations)
+// ============================================================================
+
+/// Act 제목 한국어 번역
+const Map<String, String> actTitleTranslationsKo = {
+  'Prologue': '프롤로그',
+  'Act I: Awakening': '제1막: 각성',
+  'Act II: Growth': '제2막: 성장',
+  'Act III: Trials': '제3막: 시련',
+  'Act IV: Confrontation': '제4막: 결전',
+  'Act V: Endgame': '제5막: 종말',
+  'The End': '완결',
+};
+
+/// Act별 보스 몬스터 이름 한국어 번역
+const Map<String, String> actBossTranslationsKo = {
+  'BOSS: Stack Overflow Dragon': '보스: 스택 오버플로우 드래곤',
+  'BOSS: Heap Corruption Hydra': '보스: 힙 손상 히드라',
+  'BOSS: Kernel Panic Titan': '보스: 커널 패닉 타이탄',
+  'BOSS: Zero Day Leviathan': '보스: 제로데이 리바이어던',
+  'BOSS: The Primordial Glitch': '보스: 태초의 글리치',
+};
+
+/// Act별 시작 퀘스트 한국어 번역
+const Map<String, String> actQuestTranslationsKo = {
+  'Exterminate the Bug Infestation': '버그 침입 소탕',
+  'Purge the Bug Nest': '버그 둥지 정화',
+  'Cleanse the Corrupted Network': '손상된 네트워크 정화',
+  'Pass the Trials of the Ancient Compiler': '고대 컴파일러의 시련 통과',
+  "Infiltrate the Glitch God's Citadel": '글리치 신의 성채 침투',
+  'Defeat the Glitch God': '글리치 신 처치',
+};
+
+/// 시네마틱 텍스트 한국어 번역
+const Map<String, String> cinematicTranslationsKo = {
+  // 프롤로그
+  'In the beginning, there was only the Void...':
+      '태초에, 오직 공허(Void)만이 존재했다...',
+  'Then came the First Commit, and Light filled the Codebase.':
+      '그리고 첫 번째 커밋이 도래하여, 빛이 코드베이스를 가득 채웠다.',
+  'The Code God spoke: "Let there be Functions."':
+      '코드의 신이 말씀하셨다: "함수가 있으라."',
+  'And so the Digital Realm was born...': '그리하여 디지털 세계가 탄생하였다...',
+  'But from the shadows emerged the Glitch.': '그러나 어둠 속에서 글리치가 출현했다.',
+  'Now, a new hero awakens to defend the Code.':
+      '이제, 코드를 수호할 새로운 영웅이 깨어난다.',
+  'Your journey begins...': '당신의 여정이 시작된다...',
+
+  // Act I: 각성
+  '=== ACT I: AWAKENING ===': '=== 제1막: 각성 ===',
+  'You have proven yourself against the lesser bugs.':
+      '당신은 하급 버그들을 상대로 실력을 증명했다.',
+  'The Debugger Knights take notice of your potential.':
+      '디버거 기사단이 당신의 잠재력을 주목한다.',
+  'But a greater threat lurks in the Bug Nest...':
+      '하지만 더 큰 위협이 버그 둥지에 도사리고 있다...',
+  'The Syntax Error Dragon awaits.': '문법 오류 드래곤이 기다린다.',
+
+  // Act II: 성장
+  '=== ACT II: GROWTH ===': '=== 제2막: 성장 ===',
+  'With the Dragon slain, you join the Debugger Knights.':
+      '드래곤을 처치하고, 당신은 디버거 기사단에 입단한다.',
+  'The Corrupted Network spreads its infection...':
+      '손상된 네트워크가 감염을 퍼뜨리고 있다...',
+  'A traitor among the Knights is revealed!': '기사단 내 배신자가 드러났다!',
+  'The Memory Leak Hydra threatens all data.':
+      '메모리 누수 히드라가 모든 데이터를 위협한다.',
+  'You must stop the corruption before it consumes everything.':
+      '모든 것을 삼키기 전에 손상을 멈춰야 한다.',
+
+  // Act III: 시련
+  '=== ACT III: TRIALS ===': '=== 제3막: 시련 ===',
+  'The path leads to the Null Kingdom...': '길은 널(Null) 왕국으로 이어진다...',
+  'The Ancient Compiler challenges you to its trials.':
+      '고대 컴파일러가 당신에게 시련을 건넨다.',
+  'A companion falls... their sacrifice not in vain.':
+      '동료가 쓰러진다... 그들의 희생은 헛되지 않으리.',
+  'The Buffer Overflow Titan guards the gate.':
+      '버퍼 오버플로우 타이탄이 문을 지키고 있다.',
+  'Only through great sacrifice can you proceed.':
+      '오직 큰 희생을 통해서만 앞으로 나아갈 수 있다.',
+
+  // Act IV: 결전
+  '=== ACT IV: CONFRONTATION ===': '=== 제4막: 결전 ===',
+  "The Glitch God's Citadel looms before you.":
+      '글리치 신의 성채가 눈앞에 어렴풋이 보인다.',
+  'Former enemies unite against the common threat.':
+      '이전의 적들이 공동의 위협에 맞서 연합한다.',
+  'The Final Alliance is forged.': '최후의 동맹이 결성되었다.',
+  'The Kernel Panic Archon blocks your path.':
+      '커널 패닉 아르콘이 당신의 길을 막는다.',
+  'One final battle before the end...': '종말 전의 마지막 전투...',
+
+  // Act V: 종말
+  '=== ACT V: ENDGAME ===': '=== 제5막: 종말 ===',
+  'The Glitch God reveals its true form.': '글리치 신이 진정한 모습을 드러낸다.',
+  'Reality itself begins to corrupt.': '현실 그 자체가 손상되기 시작한다.',
+  'All hope rests upon your shoulders.': '모든 희망이 당신의 어깨에 달려 있다.',
+  'The final battle for the Codebase begins!':
+      '코드베이스를 위한 최후의 전투가 시작된다!',
+
+  // 엔딩
+  '=== THE END ===': '=== 완결 ===',
+  'The Glitch God falls. The corruption fades.':
+      '글리치 신이 쓰러진다. 손상이 사라진다.',
+  'System Reboot initiated...': '시스템 재부팅 시작...',
+  'Peace returns to the Digital Realm.': '디지털 세계에 평화가 돌아온다.',
+  'Your legend will be compiled into the eternal logs.':
+      '당신의 전설은 영원한 로그에 컴파일될 것이다.',
+  'THE END': '완',
+  '...or is it?': '...정말 그럴까?',
+};
+
+// ============================================================================
+// 세계관 관련 용어 번역 (World-Building Terms)
+// ============================================================================
+
+/// 주요 지역 한국어 번역
+const Map<String, String> locationTranslationsKo = {
+  'Null Kingdom': '널(Null) 왕국',
+  'Core Abyss': '코어의 심연',
+  'Glitch Zone': '글리치 영역',
+  'Binary Temple': '바이너리 신전',
+  'Debug Zone': '디버그 존',
+  'Data Market': '데이터 마켓',
+  'Tech Shop': '테크 샵',
+  'Cache Zone': '캐시 존',
+  'Bug Nest': '버그 둥지',
+  'Corrupted Network': '손상된 네트워크',
+  "Glitch God's Citadel": '글리치 신의 성채',
+  'Safe Mode': '안전 모드',
+};
+
+/// 조직/세력 한국어 번역
+const Map<String, String> factionTranslationsKo = {
+  'Debugger Knights': '디버거 기사단',
+  'Code God': '코드의 신',
+  'Glitch God': '글리치 신',
+  'Bug God': '버그 신',
+  'Ancient Compiler': '고대 컴파일러',
+  'Final Alliance': '최후의 동맹',
+  '64-bit King': '64비트 왕',
+  'Compiler Sage': '컴파일러 현자',
+  'Debugger Saint': '디버거 성인',
+};
+
+// ============================================================================
+// 추가 몬스터 번역 (레벨 54-100)
+// ============================================================================
+
+/// 고급/엔드게임 몬스터 한국어 번역
+const Map<String, String> advancedMonsterTranslationsKo = {
+  // 고급 시스템 위협 (레벨 54-65)
+  'Kernel Exploiter': '커널 익스플로이터',
+  'Ring -1 Phantom': '링 -1 팬텀',
+  'TPM Bypasser': 'TPM 우회자',
+  'Secure Boot Breaker': '시큐어 부트 파괴자',
+  'IOMMU Escape': 'IOMMU 탈출',
+  'SGX Enclave Bug': 'SGX 엔클레이브 버그',
+  'TrustZone Breach': '트러스트존 침해',
+  'Platform Security Bug': '플랫폼 보안 버그',
+  'Hardware Backdoor': '하드웨어 백도어',
+  'Supply Chain Implant': '공급망 임플란트',
+  'BMC Rootkit': 'BMC 루트킷',
+  'IPMI Ghost': 'IPMI 유령',
+
+  // 엔터프라이즈급 위협 (레벨 66-80)
+  'Active Directory Worm': '액티브 디렉토리 웜',
+  'Kerberos Golden': '케르베로스 골든',
+  'NTLM Relay Beast': 'NTLM 릴레이 야수',
+  'DCSync Phantom': 'DCSync 팬텀',
+  'Exchange Exploit': '익스체인지 익스플로잇',
+  'SharePoint Bug': '셰어포인트 버그',
+  'Teams Vulnerability': '팀즈 취약점',
+  'Azure AD Breach': '애저 AD 침해',
+  'AWS IAM Bug': 'AWS IAM 버그',
+  'GCP Exploit': 'GCP 익스플로잇',
+  'Kubernetes Escape': '쿠버네티스 탈출',
+  'Docker Breakout': '도커 브레이크아웃',
+  'Service Mesh Bug': '서비스 메시 버그',
+  'Terraform State Bug': '테라폼 상태 버그',
+  'CI/CD Pipeline Poison': 'CI/CD 파이프라인 오염',
+
+  // 엔드게임 몬스터 (레벨 81-90)
+  'Quantum Decoherence': '양자 결어긋남',
+  'Neural Network Poison': '신경망 오염',
+  'AI Hallucination': 'AI 환각',
+  'Deep Fake Engine': '딥페이크 엔진',
+  'Adversarial Noise': '적대적 노이즈',
+  'Model Extraction': '모델 추출',
+  'Prompt Injection': '프롬프트 인젝션',
+  'Training Data Poison': '학습 데이터 오염',
+  'Federated Learning Bug': '연합 학습 버그',
+  'Differential Privacy Leak': '차등 프라이버시 누출',
+
+  // 최종 엔드게임 (레벨 91-100)
+  'Post-Quantum Threat': '포스트 양자 위협',
+  'Homomorphic Crack': '동형 암호 균열',
+  'Zero Knowledge Flaw': '영지식 결함',
+  'Blockchain Fork': '블록체인 포크',
+  'Smart Contract Bug': '스마트 컨트랙트 버그',
+  'MEV Extractor': 'MEV 추출자',
+  'Cross-Chain Bridge Bug': '크로스체인 브릿지 버그',
+  'Oracle Manipulation': '오라클 조작',
+  'Flash Loan Attack': '플래시 론 공격',
+  'The Final Bug': '최후의 버그',
+
+  // 미니보스
+  'Elite Syntax Overlord': '엘리트 문법 군주',
+  'Champion Buffer Crusher': '챔피언 버퍼 파괴자',
+  'Veteran Memory Lord': '베테랑 메모리 군주',
+  'Master Race Conductor': '마스터 레이스 지휘자',
+  'Arch Kernel Breaker': '대 커널 파괴자',
+  'High Protocol Corruptor': '상위 프로토콜 오염자',
+  'Grand Firmware Defiler': '대 펌웨어 훼손자',
+  'Supreme Cloud Invader': '최고 클라우드 침략자',
+  'Legendary Container Escapist': '전설의 컨테이너 탈출자',
+  'Ancient Pipeline Poisoner': '고대 파이프라인 오염자',
+
+  // 보스 몬스터
+  'BOSS: APT Colossus': '보스: APT 거신',
+  'BOSS: Ransomware Emperor': '보스: 랜섬웨어 황제',
+  'BOSS: AI Singularity': '보스: AI 싱귤래리티',
+};
+
+/// 추가 드롭 아이템 번역
+const Map<String, String> additionalDropTranslationsKo = {
+  // 레벨 54-65 드롭
+  'privilege token': '권한 토큰',
+  'hypervisor breach': '하이퍼바이저 침해',
+  'trusted module': '신뢰 모듈',
+  'boot chain': '부트 체인',
+  'memory isolation': '메모리 격리',
+  'secure enclave': '보안 엔클레이브',
+  'arm security': 'ARM 보안',
+  'firmware key': '펌웨어 키',
+  'silicon implant': '실리콘 임플란트',
+  'factory malware': '공장 악성코드',
+  'baseboard mgmt': '베이스보드 관리',
+  'remote mgmt': '원격 관리',
+
+  // 레벨 66-80 드롭
+  'domain token': '도메인 토큰',
+  'ticket forgery': '티켓 위조',
+  'auth bypass': '인증 우회',
+  'replication attack': '복제 공격',
+  'mail server': '메일 서버',
+  'collab breach': '협업 침해',
+  'comm exploit': '통신 익스플로잇',
+  'cloud identity': '클라우드 ID',
+  'cloud permission': '클라우드 권한',
+  'google cloud': '구글 클라우드',
+  'container breach': '컨테이너 침해',
+  'namespace escape': '네임스페이스 탈출',
+  'istio envoy': 'Istio 엔보이',
+  'infra code': '인프라 코드',
+  'build compromise': '빌드 침해',
+
+  // 레벨 81-90 드롭
+  'qubit collapse': '큐비트 붕괴',
+  'model corrupt': '모델 손상',
+  'false output': '거짓 출력',
+  'synthetic media': '합성 미디어',
+  'ml attack': 'ML 공격',
+  'stolen weights': '탈취된 가중치',
+  'llm exploit': 'LLM 익스플로잇',
+  'dataset corrupt': '데이터셋 손상',
+  'distributed ml': '분산 ML',
+  'anonymity breach': '익명성 침해',
+
+  // 레벨 91-100 드롭
+  'lattice attack': '격자 공격',
+  'encrypted compute': '암호화 연산',
+  'proof bypass': '증명 우회',
+  'consensus break': '합의 파괴',
+  'solidity exploit': '솔리디티 익스플로잇',
+  'transaction reorder': '트랜잭션 재정렬',
+  'bridge exploit': '브릿지 익스플로잇',
+  'price feed': '가격 피드',
+  'defi exploit': 'DeFi 익스플로잇',
+  'ultimate error': '궁극의 오류',
+
+  // 미니보스/보스 드롭
+  'syntax crown': '문법의 왕관',
+  'overflow gem': '오버플로우 보석',
+  'leak artifact': '누수 유물',
+  'thread scepter': '스레드 홀',
+  'ring zero': '링 제로',
+  'packet throne': '패킷 왕좌',
+  'boot artifact': '부트 유물',
+  'cloud crown': '클라우드 왕관',
+  'namespace key': '네임스페이스 열쇠',
+  'build shard': '빌드 파편',
+  'legendary stack': '전설의 스택',
+  'multi-head leak': '다중 머리 누수',
+  'system crash': '시스템 붕괴',
+  'unknown vuln': '미지의 취약점',
+  'state actor': '국가급 행위자',
+  'encrypted realm': '암호화된 영역',
+  'machine god': '기계 신',
+  'genesis bug': '시초 버그',
+};
+
+/// 추가 방패 번역
+const Map<String, String> additionalShieldTranslationsKo = {
+  'Neural Defense Grid': '신경 방어 그리드',
+  'Singularity Absorber': '특이점 흡수기',
+  'Time Dilation Field': '시간 확장 필드',
+  'Reality Anchor': '현실 닻',
+  'Multiverse Barrier': '다중우주 장벽',
+  'Cosmic Dampener': '우주 완충기',
+  'Entropy Shield': '엔트로피 실드',
+};
+
+/// 추가 갑옷 번역
+const Map<String, String> additionalArmorTranslationsKo = {
+  'Blockchain Platemail': '블록체인 판금갑옷',
+  'Neural Network Mesh': '신경망 메시',
+  'AI Firewall': 'AI 방화벽',
+  'Quantum Shield Matrix': '양자 실드 매트릭스',
+  'Singularity Barrier': '특이점 장벽',
+  'Multiverse Armor': '다중우주 갑옷',
+};
+
+/// 추가 아이템 속성 번역
+const Map<String, String> additionalItemAttribTranslationsKo = {
+  'Containerized': '컨테이너화된',
+  'Orchestrated': '오케스트레이션된',
+  'Scalable': '확장 가능한',
+  'Resilient': '복원력 있는',
+  'Fault-Tolerant': '장애 허용',
+  'Self-Healing': '자가 치유',
+  'Auto-Scaling': '자동 확장',
+  'Load-Balanced': '로드 밸런싱된',
+  'Cached': '캐시된',
+  'Indexed': '인덱싱된',
+  'Sharded': '샤딩된',
+  'Partitioned': '파티션된',
+  'Compressed': '압축된',
+  'Tokenized': '토큰화된',
+  'Anonymized': '익명화된',
+  'Sanitized': '새니타이즈된',
+  'Validated': '검증된',
+};
+
+/// 추가 ItemOfs 번역
+const Map<String, String> additionalItemOfsTranslationsKo = {
+  'Microservices': '마이크로서비스',
+  'Serverless': '서버리스',
+  'Edge Computing': '엣지 컴퓨팅',
+  'Fog Computing': '포그 컴퓨팅',
+  'Cloud Native': '클라우드 네이티브',
+  'DevOps': '데브옵스',
+  'Site Reliability': '사이트 신뢰성',
+  'Platform Engineering': '플랫폼 엔지니어링',
+  'Infrastructure': '인프라스트럭처',
+  'Observability': '관측 가능성',
+  'Telemetry': '텔레메트리',
+  'Tracing': '트레이싱',
+  'Metrics': '메트릭',
+  'Alerting': '알림',
+  'Incident Response': '인시던트 대응',
+  'Chaos Engineering': '카오스 엔지니어링',
+  'Resilience': '복원력',
+  'Availability': '가용성',
+  'Durability': '내구성',
+  'Consistency': '일관성',
+  'Partition Tolerance': '분할 허용',
+};
+
+// ============================================================================
+// 통합 번역 Getter (Unified Translation Getters)
+// ============================================================================
+
+/// 모든 몬스터 번역을 통합하여 반환
+Map<String, String> get allMonsterTranslationsKo => {
+      ...monsterTranslationsKo,
+      ...advancedMonsterTranslationsKo,
+    };
+
+/// 모든 아이템 속성 번역을 통합하여 반환
+Map<String, String> get allItemAttribTranslationsKo => {
+      ...itemAttribTranslationsKo,
+      ...additionalItemAttribTranslationsKo,
+    };
+
+/// 모든 아이템 접미사("~의") 번역을 통합하여 반환
+Map<String, String> get allItemOfsTranslationsKo => {
+      ...itemOfsTranslationsKo,
+      ...additionalItemOfsTranslationsKo,
+    };
+
+/// 모든 드롭 아이템 번역을 통합하여 반환
+Map<String, String> get allDropTranslationsKo => {
+      ...boringItemTranslationsKo,
+      ...dropItemTranslationsKo,
+      ...additionalDropTranslationsKo,
+    };
+
+/// 모든 갑옷 번역을 통합하여 반환
+Map<String, String> get allArmorTranslationsKo => {
+      ...armorTranslationsKo,
+      ...additionalArmorTranslationsKo,
+    };
+
+/// 모든 방패 번역을 통합하여 반환
+Map<String, String> get allShieldTranslationsKo => {
+      ...shieldTranslationsKo,
+      ...additionalShieldTranslationsKo,
+    };
--- a/lib/data/potion_data.dart
+++ b/lib/data/potion_data.dart
@@ -0,0 +1,187 @@
+import 'package:askiineverdie/src/core/model/potion.dart';
+
+/// 게임 내 물약 정의
+///
+/// HP/MP 물약 데이터 (티어 1~5)
+class PotionData {
+  PotionData._();
+
+  // ============================================================================
+  // HP 물약
+  // ============================================================================
+
+  /// Minor Health Patch - 소형 HP 물약
+  static const minorHealthPatch = Potion(
+    id: 'minor_health_patch',
+    name: 'Minor Health Patch',
+    type: PotionType.hp,
+    tier: 1,
+    healAmount: 30,
+    healPercent: 0.0,
+    price: 25,
+  );
+
+  /// Health Patch - 일반 HP 물약
+  static const healthPatch = Potion(
+    id: 'health_patch',
+    name: 'Health Patch',
+    type: PotionType.hp,
+    tier: 2,
+    healAmount: 50,
+    healPercent: 0.10,
+    price: 75,
+  );
+
+  /// Major Health Patch - 대형 HP 물약
+  static const majorHealthPatch = Potion(
+    id: 'major_health_patch',
+    name: 'Major Health Patch',
+    type: PotionType.hp,
+    tier: 3,
+    healAmount: 80,
+    healPercent: 0.20,
+    price: 200,
+  );
+
+  /// Super Health Patch - 초대형 HP 물약
+  static const superHealthPatch = Potion(
+    id: 'super_health_patch',
+    name: 'Super Health Patch',
+    type: PotionType.hp,
+    tier: 4,
+    healAmount: 120,
+    healPercent: 0.30,
+    price: 500,
+  );
+
+  /// Ultra Health Patch - 최고급 HP 물약
+  static const ultraHealthPatch = Potion(
+    id: 'ultra_health_patch',
+    name: 'Ultra Health Patch',
+    type: PotionType.hp,
+    tier: 5,
+    healAmount: 200,
+    healPercent: 0.40,
+    price: 1200,
+  );
+
+  // ============================================================================
+  // MP 물약
+  // ============================================================================
+
+  /// Minor Mana Cache - 소형 MP 물약
+  static const minorManaCache = Potion(
+    id: 'minor_mana_cache',
+    name: 'Minor Mana Cache',
+    type: PotionType.mp,
+    tier: 1,
+    healAmount: 20,
+    healPercent: 0.0,
+    price: 20,
+  );
+
+  /// Mana Cache - 일반 MP 물약
+  static const manaCache = Potion(
+    id: 'mana_cache',
+    name: 'Mana Cache',
+    type: PotionType.mp,
+    tier: 2,
+    healAmount: 40,
+    healPercent: 0.10,
+    price: 60,
+  );
+
+  /// Major Mana Cache - 대형 MP 물약
+  static const majorManaCache = Potion(
+    id: 'major_mana_cache',
+    name: 'Major Mana Cache',
+    type: PotionType.mp,
+    tier: 3,
+    healAmount: 60,
+    healPercent: 0.20,
+    price: 160,
+  );
+
+  /// Super Mana Cache - 초대형 MP 물약
+  static const superManaCache = Potion(
+    id: 'super_mana_cache',
+    name: 'Super Mana Cache',
+    type: PotionType.mp,
+    tier: 4,
+    healAmount: 90,
+    healPercent: 0.30,
+    price: 400,
+  );
+
+  /// Ultra Mana Cache - 최고급 MP 물약
+  static const ultraManaCache = Potion(
+    id: 'ultra_mana_cache',
+    name: 'Ultra Mana Cache',
+    type: PotionType.mp,
+    tier: 5,
+    healAmount: 150,
+    healPercent: 0.40,
+    price: 1000,
+  );
+
+  // ============================================================================
+  // 물약 목록
+  // ============================================================================
+
+  /// 모든 물약 목록
+  static const List<Potion> all = [
+    // HP 물약
+    minorHealthPatch,
+    healthPatch,
+    majorHealthPatch,
+    superHealthPatch,
+    ultraHealthPatch,
+    // MP 물약
+    minorManaCache,
+    manaCache,
+    majorManaCache,
+    superManaCache,
+    ultraManaCache,
+  ];
+
+  /// HP 물약 목록
+  static List<Potion> get hpPotions =>
+      all.where((p) => p.type == PotionType.hp).toList();
+
+  /// MP 물약 목록
+  static List<Potion> get mpPotions =>
+      all.where((p) => p.type == PotionType.mp).toList();
+
+  /// ID로 물약 찾기
+  static Potion? getById(String id) {
+    for (final potion in all) {
+      if (potion.id == id) return potion;
+    }
+    return null;
+  }
+
+  /// 티어별 HP 물약
+  static Potion? getHpPotionByTier(int tier) {
+    for (final potion in hpPotions) {
+      if (potion.tier == tier) return potion;
+    }
+    return null;
+  }
+
+  /// 티어별 MP 물약
+  static Potion? getMpPotionByTier(int tier) {
+    for (final potion in mpPotions) {
+      if (potion.tier == tier) return potion;
+    }
+    return null;
+  }
+
+  /// 레벨에 맞는 HP 물약 티어
+  static int tierForLevel(int level) {
+    if (level < 10) return 1;
+    if (level < 25) return 2;
+    if (level < 45) return 3;
+    if (level < 70) return 4;
+    return 5;
+  }
+}
--- a/lib/data/skill_data.dart
+++ b/lib/data/skill_data.dart
@@ -78,6 +78,100 @@ class SkillData {
    damageMultiplier: 1.8,
  );

+  // ============================================================================
+  // DOT (지속 피해) 스킬
+  // ============================================================================
+
+  /// Memory Corruption - 기본 DOT 스킬
+  ///
+  /// INT → 틱당 데미지 보정, WIS → 틱 간격 보정
+  static const memoryCorruption = Skill(
+    id: 'memory_corruption',
+    name: 'Memory Corruption',
+    type: SkillType.attack,
+    mpCost: 20,
+    cooldownMs: 10000, // 10초
+    power: 0,
+    damageMultiplier: 0,
+    element: SkillElement.memory,
+    attackMode: AttackMode.dot,
+    baseDotDamage: 8, // 틱당 8 데미지 (INT 보정 전)
+    baseDotDurationMs: 6000, // 6초 지속
+    baseDotTickMs: 1000, // 1초마다 틱
+  );
+
+  /// Infinite Loop - 장시간 DOT
+  ///
+  /// 오래 지속되는 중급 DOT
+  static const infiniteLoop = Skill(
+    id: 'infinite_loop',
+    name: 'Infinite Loop',
+    type: SkillType.attack,
+    mpCost: 35,
+    cooldownMs: 18000, // 18초
+    power: 0,
+    damageMultiplier: 0,
+    element: SkillElement.memory,
+    attackMode: AttackMode.dot,
+    baseDotDamage: 12, // 틱당 12 데미지
+    baseDotDurationMs: 10000, // 10초 지속
+    baseDotTickMs: 1000, // 1초마다 틱
+  );
+
+  /// Thermal Throttle - 화염 DOT
+  ///
+  /// 빠른 틱, 짧은 지속시간
+  static const thermalThrottle = Skill(
+    id: 'thermal_throttle',
+    name: 'Thermal Throttle',
+    type: SkillType.attack,
+    mpCost: 30,
+    cooldownMs: 12000, // 12초
+    power: 0,
+    damageMultiplier: 0,
+    element: SkillElement.fire,
+    attackMode: AttackMode.dot,
+    baseDotDamage: 15, // 틱당 15 데미지
+    baseDotDurationMs: 4000, // 4초 지속
+    baseDotTickMs: 500, // 0.5초마다 틱
+  );
+
+  /// Race Condition - 빠른 DOT
+  ///
+  /// 매우 빠른 틱의 번개 DOT
+  static const raceCondition = Skill(
+    id: 'race_condition',
+    name: 'Race Condition',
+    type: SkillType.attack,
+    mpCost: 45,
+    cooldownMs: 15000, // 15초
+    power: 0,
+    damageMultiplier: 0,
+    element: SkillElement.lightning,
+    attackMode: AttackMode.dot,
+    baseDotDamage: 6, // 틱당 6 데미지
+    baseDotDurationMs: 5000, // 5초 지속
+    baseDotTickMs: 300, // 0.3초마다 틱
+  );
+
+  /// System32 Delete - 강력한 DOT
+  ///
+  /// 높은 틱 데미지의 공허 DOT
+  static const system32Delete = Skill(
+    id: 'system32_delete',
+    name: 'System32 Delete',
+    type: SkillType.attack,
+    mpCost: 70,
+    cooldownMs: 30000, // 30초
+    power: 0,
+    damageMultiplier: 0,
+    element: SkillElement.voidElement,
+    attackMode: AttackMode.dot,
+    baseDotDamage: 25, // 틱당 25 데미지
+    baseDotDurationMs: 8000, // 8초 지속
+    baseDotTickMs: 1000, // 1초마다 틱
+  );
+
  // ============================================================================
  // 회복 스킬
  // ============================================================================
@@ -175,13 +269,19 @@ class SkillData {

  /// 모든 스킬 목록
  static const List<Skill> allSkills = [
-    // 공격 스킬
+    // 공격 스킬 (단발성)
    debugStrike,
    nullPointer,
    memoryLeak,
    stackOverflow,
    coreDump,
    kernelPanic,
+    // DOT 스킬
+    memoryCorruption,
+    infiniteLoop,
+    thermalThrottle,
+    raceCondition,
+    system32Delete,
    // 회복 스킬
    quickFix,
    hotReload,
@@ -192,6 +292,10 @@ class SkillData {
    firewall,
  ];

+  /// DOT 스킬 목록
+  static List<Skill> get dotSkills =>
+      allSkills.where((s) => s.isDot).toList();
+
  /// ID로 스킬 찾기
  static Skill? getSkillById(String id) {
    for (final skill in allSkills) {
--- a/lib/src/core/engine/game_mutations.dart
+++ b/lib/src/core/engine/game_mutations.dart
@@ -1,3 +1,4 @@
+import 'package:askiineverdie/src/core/engine/item_service.dart';
 import 'package:askiineverdie/src/core/model/equipment_slot.dart';
 import 'package:askiineverdie/src/core/model/game_state.dart';
 import 'package:askiineverdie/src/core/model/pq_config.dart';
@@ -10,12 +11,24 @@ class GameMutations {
  final PqConfig config;

  /// 장비 획득 (원본 Main.pas:791-830 WinEquip)
+  ///
  /// [slotIndex]: 0-10 (원본 Equips.Items.Count = 11)
+  /// ItemService를 사용하여 스탯과 공속을 가진 장비 생성
  GameState winEquipByIndex(GameState state, int level, int slotIndex) {
    final rng = state.rng;
    final name = pq_logic.winEquip(config, rng, level, slotIndex);
+    final slot = EquipmentSlot.values[slotIndex];
+
+    // ItemService로 스탯이 있는 장비 생성
+    final itemService = ItemService(rng: rng);
+    final newItem = itemService.generateEquipment(
+      name: name,
+      slot: slot,
+      level: level,
+    );
+
    final updatedEquip = state.equipment
-        .setByIndex(slotIndex, name)
+        .setItemByIndex(slotIndex, newItem)
        .copyWith(bestIndex: slotIndex);
    return state.copyWith(rng: rng, equipment: updatedEquip);
  }
--- a/lib/src/core/engine/item_service.dart
+++ b/lib/src/core/engine/item_service.dart
@@ -97,14 +97,35 @@ class ItemService {
  }

  /// 무기 스탯 생성
+  ///
+  /// 공속(attackSpeed)과 공격력(atk)은 역비례 관계:
+  /// - 느린 무기 (1500ms): atk × 1.4
+  /// - 기본 무기 (1000ms): atk × 1.0
+  /// - 빠른 무기 (600ms): atk × 0.7
  ItemStats _generateWeaponStats(int baseValue, ItemRarity rarity) {
-    final criBonus = rarity.index >= ItemRarity.rare.index ? 0.02 + rarity.index * 0.01 : 0.0;
-    final parryBonus = rarity.index >= ItemRarity.uncommon.index ? 0.01 + rarity.index * 0.005 : 0.0;
+    final criBonus = rarity.index >= ItemRarity.rare.index
+        ? 0.02 + rarity.index * 0.01
+        : 0.0;
+    final parryBonus = rarity.index >= ItemRarity.uncommon.index
+        ? 0.01 + rarity.index * 0.005
+        : 0.0;
+
+    // 공속 결정 (600ms ~ 1500ms 범위)
+    // 희귀도가 높을수록 공속 변동 폭 증가
+    final speedVariance = 300 + rarity.index * 100; // Common: 300, Legendary: 700
+    final speedOffset = rng.nextInt(speedVariance * 2) - speedVariance;
+    final attackSpeed = (1000 + speedOffset).clamp(600, 1500);
+
+    // 공속-데미지 역비례 계산
+    // 기준: 1000ms = 1.0x, 600ms = 0.7x, 1500ms = 1.4x
+    final speedMultiplier = 0.3 + (attackSpeed / 1000) * 0.7;
+    final adjustedAtk = (baseValue * speedMultiplier).round();

    return ItemStats(
-      atk: baseValue,
+      atk: adjustedAtk,
      criRate: criBonus,
      parryRate: parryBonus,
+      attackSpeed: attackSpeed,
    );
  }

@@ -201,13 +222,67 @@ class ItemService {
    );
  }

+  // ============================================================================
+  // 장비 점수 계산
+  // ============================================================================
+
+  /// 장비 점수 계산 (Equipment Score)
+  ///
+  /// 슬롯별 스탯 가중치를 적용하여 점수 산출.
+  /// - 무기: 공격력, 크리티컬, 공속 역비례 반영
+  /// - 방어구: 방어력, HP 보너스
+  /// - 액세서리: 스탯 보너스
+  static int calculateEquipmentScore(EquipmentItem item) {
+    var score = 0;
+    final stats = item.stats;
+
+    // 공격 스탯 (무기 중심)
+    score += stats.atk * 2;
+    score += stats.magAtk * 2;
+    score += (stats.criRate * 200).round();
+    score += (stats.parryRate * 150).round();
+
+    // 방어 스탯
+    score += (stats.def * 1.5).round();
+    score += (stats.magDef * 1.5).round();
+    score += (stats.blockRate * 150).round();
+    score += (stats.evasion * 150).round();
+
+    // 자원 스탯
+    score += stats.hpBonus;
+    score += stats.mpBonus;
+
+    // 능력치 보너스 (가중치 5배)
+    score += (stats.strBonus +
+            stats.conBonus +
+            stats.dexBonus +
+            stats.intBonus +
+            stats.wisBonus +
+            stats.chaBonus) *
+        5;
+
+    // 무기 공속 보정 (느린 무기 = 높은 데미지 → 높은 점수)
+    // 기준 1000ms, 느린 무기(1500ms)는 +25점, 빠른 무기(600ms)는 -20점
+    if (item.slot == EquipmentSlot.weapon && stats.attackSpeed > 0) {
+      score += ((stats.attackSpeed - 1000) * 0.05).round();
+    }
+
+    // 희귀도 배율 적용
+    score = (score * item.rarity.multiplier).round();
+
+    // 레벨 기본 점수
+    score += item.level * 5;
+
+    return score;
+  }
+
  // ============================================================================
  // 자동 장착
  // ============================================================================

-  /// 새 아이템이 현재 장비보다 좋은지 비교
+  /// 새 아이템이 현재 장비보다 좋은지 비교 (점수 기반)
  ///
-  /// 가중치 기준으로 비교하며, 무게 제한도 고려
+  /// 장비 점수 기준으로 비교하며, 무게 제한도 고려
  bool shouldEquip({
    required EquipmentItem newItem,
    required EquipmentItem currentItem,
@@ -224,8 +299,11 @@ class ItemService {
      );
    }

-    // 새 아이템이 더 좋은지 확인
-    if (newItem.itemWeight <= currentItem.itemWeight) {
+    // 점수 비교 (새 아이템이 더 높아야 함)
+    final newScore = calculateEquipmentScore(newItem);
+    final currentScore = calculateEquipmentScore(currentItem);
+
+    if (newScore <= currentScore) {
      return false;
    }

--- a/lib/src/core/engine/potion_service.dart
+++ b/lib/src/core/engine/potion_service.dart
@@ -0,0 +1,497 @@
+import 'package:askiineverdie/data/potion_data.dart';
+import 'package:askiineverdie/src/core/model/potion.dart';
+
+/// 물약 서비스
+///
+/// 물약 사용, 자동 사용 알고리즘, 인벤토리 관리
+class PotionService {
+  const PotionService();
+
+  /// 긴급 물약 사용 HP 임계치 (30%)
+  static const double emergencyHpThreshold = 0.30;
+
+  /// 긴급 물약 사용 MP 임계치 (20%)
+  static const double emergencyMpThreshold = 0.20;
+
+  // ============================================================================
+  // 물약 사용 가능 여부
+  // ============================================================================
+
+  /// 물약 사용 가능 여부 체크
+  ///
+  /// [potionId] 물약 ID
+  /// [inventory] 물약 인벤토리
+  /// Returns: (사용 가능 여부, 실패 사유)
+  (bool, PotionUseFailReason?) canUsePotion(
+    String potionId,
+    PotionInventory inventory,
+  ) {
+    // 물약 데이터 존재 체크
+    final potion = PotionData.getById(potionId);
+    if (potion == null) {
+      return (false, PotionUseFailReason.potionNotFound);
+    }
+
+    // 보유 수량 체크
+    if (!inventory.hasPotion(potionId)) {
+      return (false, PotionUseFailReason.outOfStock);
+    }
+
+    // 전투당 종류별 1회 제한 체크
+    if (!inventory.canUseType(potion.type)) {
+      return (false, PotionUseFailReason.alreadyUsedThisBattle);
+    }
+
+    return (true, null);
+  }
+
+  // ============================================================================
+  // 물약 사용
+  // ============================================================================
+
+  /// 물약 사용
+  ///
+  /// [potionId] 물약 ID
+  /// [inventory] 물약 인벤토리
+  /// [currentHp] 현재 HP
+  /// [maxHp] 최대 HP
+  /// [currentMp] 현재 MP
+  /// [maxMp] 최대 MP
+  PotionUseResult usePotion({
+    required String potionId,
+    required PotionInventory inventory,
+    required int currentHp,
+    required int maxHp,
+    required int currentMp,
+    required int maxMp,
+  }) {
+    final (canUse, failReason) = canUsePotion(potionId, inventory);
+    if (!canUse) {
+      return PotionUseResult.failed(failReason!);
+    }
+
+    final potion = PotionData.getById(potionId)!;
+    int healedAmount = 0;
+    int newHp = currentHp;
+    int newMp = currentMp;
+
+    if (potion.isHpPotion) {
+      healedAmount = potion.calculateHeal(maxHp);
+      newHp = (currentHp + healedAmount).clamp(0, maxHp);
+      healedAmount = newHp - currentHp; // 실제 회복량
+    } else if (potion.isMpPotion) {
+      healedAmount = potion.calculateHeal(maxMp);
+      newMp = (currentMp + healedAmount).clamp(0, maxMp);
+      healedAmount = newMp - currentMp; // 실제 회복량
+    }
+
+    final newInventory = inventory.usePotion(potionId, potion.type);
+
+    return PotionUseResult(
+      success: true,
+      potion: potion,
+      healedAmount: healedAmount,
+      newHp: newHp,
+      newMp: newMp,
+      newInventory: newInventory,
+    );
+  }
+
+  // ============================================================================
+  // 긴급 물약 자동 사용
+  // ============================================================================
+
+  /// 긴급 HP 물약 선택
+  ///
+  /// HP가 임계치 이하일 때 사용할 최적의 물약 선택
+  /// [currentHp] 현재 HP
+  /// [maxHp] 최대 HP
+  /// [inventory] 물약 인벤토리
+  /// [playerLevel] 플레이어 레벨 (적정 티어 판단용)
+  Potion? selectEmergencyHpPotion({
+    required int currentHp,
+    required int maxHp,
+    required PotionInventory inventory,
+    required int playerLevel,
+  }) {
+    // 임계치 체크
+    final hpRatio = currentHp / maxHp;
+    if (hpRatio > emergencyHpThreshold) return null;
+
+    // 전투 중 이미 HP 물약 사용했으면 불가
+    if (!inventory.canUseType(PotionType.hp)) return null;
+
+    // 적정 티어 계산
+    final targetTier = PotionData.tierForLevel(playerLevel);
+
+    // 적정 티어부터 낮은 티어 순으로 검색
+    for (var tier = targetTier; tier >= 1; tier--) {
+      final potion = PotionData.getHpPotionByTier(tier);
+      if (potion != null && inventory.hasPotion(potion.id)) {
+        return potion;
+      }
+    }
+
+    // 적정 티어 이상도 검색
+    for (var tier = targetTier + 1; tier <= 5; tier++) {
+      final potion = PotionData.getHpPotionByTier(tier);
+      if (potion != null && inventory.hasPotion(potion.id)) {
+        return potion;
+      }
+    }
+
+    return null;
+  }
+
+  /// 긴급 MP 물약 선택
+  ///
+  /// MP가 임계치 이하일 때 사용할 최적의 물약 선택
+  Potion? selectEmergencyMpPotion({
+    required int currentMp,
+    required int maxMp,
+    required PotionInventory inventory,
+    required int playerLevel,
+  }) {
+    // 임계치 체크
+    final mpRatio = currentMp / maxMp;
+    if (mpRatio > emergencyMpThreshold) return null;
+
+    // 전투 중 이미 MP 물약 사용했으면 불가
+    if (!inventory.canUseType(PotionType.mp)) return null;
+
+    // 적정 티어 계산
+    final targetTier = PotionData.tierForLevel(playerLevel);
+
+    // 적정 티어부터 낮은 티어 순으로 검색
+    for (var tier = targetTier; tier >= 1; tier--) {
+      final potion = PotionData.getMpPotionByTier(tier);
+      if (potion != null && inventory.hasPotion(potion.id)) {
+        return potion;
+      }
+    }
+
+    // 적정 티어 이상도 검색
+    for (var tier = targetTier + 1; tier <= 5; tier++) {
+      final potion = PotionData.getMpPotionByTier(tier);
+      if (potion != null && inventory.hasPotion(potion.id)) {
+        return potion;
+      }
+    }
+
+    return null;
+  }
+
+  // ============================================================================
+  // 인벤토리 관리
+  // ============================================================================
+
+  /// 전투 종료 시 사용 기록 초기화
+  PotionInventory resetBattleUsage(PotionInventory inventory) {
+    return inventory.resetBattleUsage();
+  }
+
+  /// 물약 드랍 추가
+  PotionInventory addPotionDrop(
+    PotionInventory inventory,
+    String potionId, [
+    int count = 1,
+  ]) {
+    return inventory.addPotion(potionId, count);
+  }
+
+  // ============================================================================
+  // 물약 구매 시스템
+  // ============================================================================
+
+  /// 물약 구매 가능 여부 체크
+  ///
+  /// [potionId] 물약 ID
+  /// [gold] 보유 골드
+  /// Returns: (구매 가능 여부, 실패 사유)
+  (bool, PotionPurchaseFailReason?) canPurchasePotion(
+    String potionId,
+    int gold,
+  ) {
+    final potion = PotionData.getById(potionId);
+    if (potion == null) {
+      return (false, PotionPurchaseFailReason.potionNotFound);
+    }
+
+    if (gold < potion.price) {
+      return (false, PotionPurchaseFailReason.insufficientGold);
+    }
+
+    return (true, null);
+  }
+
+  /// 물약 구매
+  ///
+  /// [potionId] 물약 ID
+  /// [inventory] 현재 물약 인벤토리
+  /// [gold] 보유 골드
+  /// [count] 구매 수량 (기본 1)
+  PotionPurchaseResult purchasePotion({
+    required String potionId,
+    required PotionInventory inventory,
+    required int gold,
+    int count = 1,
+  }) {
+    final potion = PotionData.getById(potionId);
+    if (potion == null) {
+      return PotionPurchaseResult.failed(PotionPurchaseFailReason.potionNotFound);
+    }
+
+    final totalCost = potion.price * count;
+    if (gold < totalCost) {
+      return PotionPurchaseResult.failed(PotionPurchaseFailReason.insufficientGold);
+    }
+
+    final newInventory = inventory.addPotion(potionId, count);
+    final newGold = gold - totalCost;
+
+    return PotionPurchaseResult(
+      success: true,
+      potion: potion,
+      quantity: count,
+      totalCost: totalCost,
+      newGold: newGold,
+      newInventory: newInventory,
+    );
+  }
+
+  /// 레벨에 맞는 물약 자동 구매
+  ///
+  /// 골드의 일정 비율을 물약 구매에 사용
+  /// [playerLevel] 플레이어 레벨
+  /// [inventory] 현재 물약 인벤토리
+  /// [gold] 보유 골드
+  /// [spendRatio] 골드 사용 비율 (기본 20%)
+  PotionPurchaseResult autoPurchasePotions({
+    required int playerLevel,
+    required PotionInventory inventory,
+    required int gold,
+    double spendRatio = 0.20,
+  }) {
+    final tier = PotionData.tierForLevel(playerLevel);
+    final hpPotion = PotionData.getHpPotionByTier(tier);
+    final mpPotion = PotionData.getMpPotionByTier(tier);
+
+    if (hpPotion == null && mpPotion == null) {
+      return PotionPurchaseResult.failed(PotionPurchaseFailReason.potionNotFound);
+    }
+
+    // 사용 가능 골드
+    final spendableGold = (gold * spendRatio).floor();
+    if (spendableGold <= 0) {
+      return PotionPurchaseResult.failed(PotionPurchaseFailReason.insufficientGold);
+    }
+
+    var currentInventory = inventory;
+    var currentGold = gold;
+    var totalSpent = 0;
+    var hpPurchased = 0;
+    var mpPurchased = 0;
+
+    // HP 물약 우선 구매 (60%), MP 물약 (40%)
+    final hpBudget = (spendableGold * 0.6).floor();
+    final mpBudget = spendableGold - hpBudget;
+
+    // HP 물약 구매
+    if (hpPotion != null && hpBudget >= hpPotion.price) {
+      final count = hpBudget ~/ hpPotion.price;
+      final cost = count * hpPotion.price;
+      currentInventory = currentInventory.addPotion(hpPotion.id, count);
+      currentGold -= cost;
+      totalSpent += cost;
+      hpPurchased = count;
+    }
+
+    // MP 물약 구매
+    if (mpPotion != null && mpBudget >= mpPotion.price) {
+      final count = mpBudget ~/ mpPotion.price;
+      final cost = count * mpPotion.price;
+      currentInventory = currentInventory.addPotion(mpPotion.id, count);
+      currentGold -= cost;
+      totalSpent += cost;
+      mpPurchased = count;
+    }
+
+    if (totalSpent == 0) {
+      return PotionPurchaseResult.failed(PotionPurchaseFailReason.insufficientGold);
+    }
+
+    return PotionPurchaseResult(
+      success: true,
+      potion: hpPotion ?? mpPotion,
+      quantity: hpPurchased + mpPurchased,
+      totalCost: totalSpent,
+      newGold: currentGold,
+      newInventory: currentInventory,
+    );
+  }
+
+  // ============================================================================
+  // 물약 드랍 시스템
+  // ============================================================================
+
+  /// 기본 물약 드랍 확률 (15%)
+  static const double baseDropChance = 0.15;
+
+  /// 레벨당 드랍 확률 증가 (0.5%씩)
+  static const double dropChancePerLevel = 0.005;
+
+  /// 최대 드랍 확률 (35%)
+  static const double maxDropChance = 0.35;
+
+  /// 물약 드랍 시도
+  ///
+  /// 전투 승리 시 물약 드랍 여부 결정 및 물약 획득
+  /// [playerLevel] 플레이어 레벨 (드랍 확률 및 티어 결정)
+  /// [inventory] 현재 물약 인벤토리
+  /// [roll] 0~99 범위의 난수 (드랍 확률 판정)
+  /// [typeRoll] 0~99 범위의 난수 (HP/MP 결정)
+  /// Returns: (업데이트된 인벤토리, 드랍된 물약 또는 null)
+  (PotionInventory, Potion?) tryPotionDrop({
+    required int playerLevel,
+    required PotionInventory inventory,
+    required int roll,
+    required int typeRoll,
+  }) {
+    // 드랍 확률 계산
+    final dropChance = (baseDropChance + playerLevel * dropChancePerLevel)
+        .clamp(baseDropChance, maxDropChance);
+    final dropThreshold = (dropChance * 100).round();
+
+    // 드랍 실패
+    if (roll >= dropThreshold) {
+      return (inventory, null);
+    }
+
+    // 물약 타입 결정 (60% HP, 40% MP)
+    final isHpPotion = typeRoll < 60;
+
+    // 레벨 기반 티어 결정
+    final tier = PotionData.tierForLevel(playerLevel);
+
+    // 물약 선택
+    final Potion? potion;
+    if (isHpPotion) {
+      potion = PotionData.getHpPotionByTier(tier);
+    } else {
+      potion = PotionData.getMpPotionByTier(tier);
+    }
+
+    if (potion == null) {
+      return (inventory, null);
+    }
+
+    // 인벤토리에 추가
+    final updatedInventory = inventory.addPotion(potion.id);
+    return (updatedInventory, potion);
+  }
+}
+
+/// 물약 사용 결과
+class PotionUseResult {
+  const PotionUseResult({
+    required this.success,
+    this.potion,
+    this.healedAmount = 0,
+    this.newHp = 0,
+    this.newMp = 0,
+    this.newInventory,
+    this.failReason,
+  });
+
+  /// 성공 여부
+  final bool success;
+
+  /// 사용한 물약
+  final Potion? potion;
+
+  /// 실제 회복량
+  final int healedAmount;
+
+  /// 사용 후 HP
+  final int newHp;
+
+  /// 사용 후 MP
+  final int newMp;
+
+  /// 업데이트된 인벤토리
+  final PotionInventory? newInventory;
+
+  /// 실패 사유
+  final PotionUseFailReason? failReason;
+
+  /// 실패 결과 생성
+  factory PotionUseResult.failed(PotionUseFailReason reason) {
+    return PotionUseResult(
+      success: false,
+      failReason: reason,
+    );
+  }
+}
+
+/// 물약 사용 실패 사유
+enum PotionUseFailReason {
+  /// 물약 없음 (데이터 없음)
+  potionNotFound,
+
+  /// 보유 물약 없음 (재고 부족)
+  outOfStock,
+
+  /// 이번 전투에서 이미 해당 종류 물약 사용
+  alreadyUsedThisBattle,
+}
+
+/// 물약 구매 결과
+class PotionPurchaseResult {
+  const PotionPurchaseResult({
+    required this.success,
+    this.potion,
+    this.quantity = 0,
+    this.totalCost = 0,
+    this.newGold = 0,
+    this.newInventory,
+    this.failReason,
+  });
+
+  /// 성공 여부
+  final bool success;
+
+  /// 구매한 물약
+  final Potion? potion;
+
+  /// 구매 수량
+  final int quantity;
+
+  /// 총 비용
+  final int totalCost;
+
+  /// 구매 후 골드
+  final int newGold;
+
+  /// 업데이트된 인벤토리
+  final PotionInventory? newInventory;
+
+  /// 실패 사유
+  final PotionPurchaseFailReason? failReason;
+
+  /// 실패 결과 생성
+  factory PotionPurchaseResult.failed(PotionPurchaseFailReason reason) {
+    return PotionPurchaseResult(
+      success: false,
+      failReason: reason,
+    );
+  }
+}
+
+/// 물약 구매 실패 사유
+enum PotionPurchaseFailReason {
+  /// 물약 없음 (데이터 없음)
+  potionNotFound,
+
+  /// 골드 부족
+  insufficientGold,
+}
--- a/lib/src/core/engine/progress_service.dart
+++ b/lib/src/core/engine/progress_service.dart
@@ -4,6 +4,7 @@ import 'package:askiineverdie/data/game_text_l10n.dart' as l10n;
 import 'package:askiineverdie/data/skill_data.dart';
 import 'package:askiineverdie/src/core/engine/combat_calculator.dart';
 import 'package:askiineverdie/src/core/engine/game_mutations.dart';
+import 'package:askiineverdie/src/core/engine/potion_service.dart';
 import 'package:askiineverdie/src/core/engine/reward_service.dart';
 import 'package:askiineverdie/src/core/engine/skill_service.dart';
 import 'package:askiineverdie/src/core/model/combat_event.dart';
@@ -13,7 +14,9 @@ import 'package:askiineverdie/src/core/model/equipment_item.dart';
 import 'package:askiineverdie/src/core/model/equipment_slot.dart';
 import 'package:askiineverdie/src/core/model/game_state.dart';
 import 'package:askiineverdie/src/core/model/monster_combat_stats.dart';
+import 'package:askiineverdie/src/core/model/potion.dart';
 import 'package:askiineverdie/src/core/model/pq_config.dart';
+import 'package:askiineverdie/src/core/model/skill.dart';
 import 'package:askiineverdie/src/core/util/pq_logic.dart' as pq_logic;

 class ProgressTickResult {
@@ -186,9 +189,10 @@ class ProgressService {
          ? progress.task.max
          : uncapped;

-      // 킬 태스크 중 전투 진행 (스킬 자동 사용 포함)
+      // 킬 태스크 중 전투 진행 (스킬 자동 사용, DOT, 물약 포함)
      var updatedCombat = progress.currentCombat;
      var updatedSkillSystem = nextState.skillSystem;
+      var updatedPotionInventory = nextState.potionInventory;
      if (progress.currentTask.type == TaskType.kill && updatedCombat != null && updatedCombat.isActive) {
        final combatResult = _processCombatTickWithSkills(
          nextState,
@@ -198,6 +202,9 @@ class ProgressService {
        );
        updatedCombat = combatResult.combat;
        updatedSkillSystem = combatResult.skillSystem;
+        if (combatResult.potionInventory != null) {
+          updatedPotionInventory = combatResult.potionInventory!;
+        }

        // Phase 4: 플레이어 사망 체크
        if (!updatedCombat.playerStats.isAlive) {
@@ -216,7 +223,11 @@ class ProgressService {
        currentCombat: updatedCombat,
      );
      nextState = _recalculateEncumbrance(
-        nextState.copyWith(progress: progress, skillSystem: updatedSkillSystem),
+        nextState.copyWith(
+          progress: progress,
+          skillSystem: updatedSkillSystem,
+          potionInventory: updatedPotionInventory,
+        ),
      );
      return ProgressTickResult(state: nextState);
    }
@@ -245,11 +256,33 @@ class ProgressService {
      }

      // 전리품 획득 (원본 Main.pas:625-630)
-      nextState = _winLoot(nextState);
+      final lootResult = _winLoot(nextState);
+      nextState = lootResult.state;

-      // 전투 상태 초기화
-      progress = nextState.progress.copyWith(currentCombat: null);
-      nextState = nextState.copyWith(progress: progress);
+      // 물약 드랍 시 전투 로그에 이벤트 추가
+      var combatForReset = progress.currentCombat;
+      if (lootResult.droppedPotion != null && combatForReset != null) {
+        final potionDropEvent = CombatEvent.potionDrop(
+          timestamp: nextState.skillSystem.elapsedMs,
+          potionName: lootResult.droppedPotion!.name,
+          isHp: lootResult.droppedPotion!.isHpPotion,
+        );
+        final updatedEvents = [...combatForReset.recentEvents, potionDropEvent];
+        combatForReset = combatForReset.copyWith(
+          recentEvents: updatedEvents.length > 10
+              ? updatedEvents.sublist(updatedEvents.length - 10)
+              : updatedEvents,
+        );
+        progress = progress.copyWith(currentCombat: combatForReset);
+      }
+
+      // 전투 상태 초기화 및 물약 사용 기록 초기화
+      progress = progress.copyWith(currentCombat: null);
+      final resetPotionInventory = nextState.potionInventory.resetBattleUsage();
+      nextState = nextState.copyWith(
+        progress: progress,
+        potionInventory: resetPotionInventory,
+      );
    }

    // 시장/판매/구매 태스크 완료 시 처리 (원본 Main.pas:631-649)
@@ -728,39 +761,60 @@ class ProgressService {
  }

  /// 킬 태스크 완료 시 전리품 획득 (원본 Main.pas:625-630)
-  GameState _winLoot(GameState state) {
+  /// 전리품 획득 결과
+  ///
+  /// [state] 업데이트된 게임 상태
+  /// [droppedPotion] 드랍된 물약 (없으면 null)
+  ({GameState state, Potion? droppedPotion}) _winLoot(GameState state) {
    final taskInfo = state.progress.currentTask;
    final monsterPart = taskInfo.monsterPart ?? '';
    final monsterBaseName = taskInfo.monsterBaseName ?? '';

+    var resultState = state;
+
    // 부위가 '*'이면 WinItem 호출 (특수 아이템)
    if (monsterPart == '*') {
-      return mutations.winItem(state);
-    }
+      resultState = mutations.winItem(resultState);
+    } else if (monsterPart.isNotEmpty && monsterBaseName.isNotEmpty) {
+      // 원본: Add(Inventory, LowerCase(Split(fTask.Caption,1) + ' ' +
+      //       ProperCase(Split(fTask.Caption,3))), 1);
+      // 예: "goblin Claw" 형태로 인벤토리 추가
+      final itemName =
+          '${monsterBaseName.toLowerCase()} ${_properCase(monsterPart)}';

-    // 부위가 비어있으면 전리품 없음
-    if (monsterPart.isEmpty || monsterBaseName.isEmpty) {
-      return state;
-    }
+      // 인벤토리에 추가
+      final items = [...resultState.inventory.items];
+      final existing = items.indexWhere((e) => e.name == itemName);
+      if (existing >= 0) {
+        items[existing] = items[existing].copyWith(
+          count: items[existing].count + 1,
+        );
+      } else {
+        items.add(InventoryEntry(name: itemName, count: 1));
+      }

-    // 원본: Add(Inventory, LowerCase(Split(fTask.Caption,1) + ' ' +
-    //       ProperCase(Split(fTask.Caption,3))), 1);
-    // 예: "goblin Claw" 형태로 인벤토리 추가
-    final itemName =
-        '${monsterBaseName.toLowerCase()} ${_properCase(monsterPart)}';
-
-    // 인벤토리에 추가
-    final items = [...state.inventory.items];
-    final existing = items.indexWhere((e) => e.name == itemName);
-    if (existing >= 0) {
-      items[existing] = items[existing].copyWith(
-        count: items[existing].count + 1,
+      resultState = resultState.copyWith(
+        inventory: resultState.inventory.copyWith(items: items),
      );
-    } else {
-      items.add(InventoryEntry(name: itemName, count: 1));
    }

-    return state.copyWith(inventory: state.inventory.copyWith(items: items));
+    // 물약 드랍 시도
+    final potionService = const PotionService();
+    final rng = resultState.rng;
+    final (updatedPotionInventory, droppedPotion) = potionService.tryPotionDrop(
+      playerLevel: resultState.traits.level,
+      inventory: resultState.potionInventory,
+      roll: rng.nextInt(100),
+      typeRoll: rng.nextInt(100),
+    );
+
+    return (
+      state: resultState.copyWith(
+        rng: rng,
+        potionInventory: updatedPotionInventory,
+      ),
+      droppedPotion: droppedPotion,
+    );
  }

  /// 첫 글자만 대문자로 변환 (원본 ProperCase)
@@ -796,6 +850,22 @@ class ProgressService {
    final slotIndex = nextState.rng.nextInt(Equipment.slotCount);
    nextState = mutations.winEquipByIndex(nextState, level, slotIndex);

+    // 물약 자동 구매 (남은 골드의 20% 사용)
+    final potionService = const PotionService();
+    final purchaseResult = potionService.autoPurchasePotions(
+      playerLevel: level,
+      inventory: nextState.potionInventory,
+      gold: nextState.inventory.gold,
+      spendRatio: 0.20,
+    );
+
+    if (purchaseResult.success && purchaseResult.newInventory != null) {
+      nextState = nextState.copyWith(
+        inventory: nextState.inventory.copyWith(gold: purchaseResult.newGold),
+        potionInventory: purchaseResult.newInventory,
+      );
+    }
+
    return nextState;
  }

@@ -864,25 +934,30 @@ class ProgressService {
    );
  }

-  /// 전투 틱 처리 (스킬 자동 사용 포함)
+  /// 전투 틱 처리 (스킬 자동 사용, DOT, 물약 포함)
  ///
  /// [state] 현재 게임 상태
  /// [combat] 현재 전투 상태
  /// [skillSystem] 스킬 시스템 상태
  /// [elapsedMs] 경과 시간 (밀리초)
-  /// Returns: 업데이트된 전투 상태 및 스킬 시스템 상태
-  ({CombatState combat, SkillSystemState skillSystem}) _processCombatTickWithSkills(
+  /// Returns: 업데이트된 전투 상태, 스킬 시스템 상태, 물약 인벤토리
+  ({
+    CombatState combat,
+    SkillSystemState skillSystem,
+    PotionInventory? potionInventory,
+  }) _processCombatTickWithSkills(
    GameState state,
    CombatState combat,
    SkillSystemState skillSystem,
    int elapsedMs,
  ) {
    if (!combat.isActive || combat.isCombatOver) {
-      return (combat: combat, skillSystem: skillSystem);
+      return (combat: combat, skillSystem: skillSystem, potionInventory: null);
    }

    final calculator = CombatCalculator(rng: state.rng);
    final skillService = SkillService(rng: state.rng);
+    final potionService = const PotionService();
    var playerStats = combat.playerStats;
    var monsterStats = combat.monsterStats;
    var playerAccumulator = combat.playerAttackAccumulatorMs + elapsedMs;
@@ -891,11 +966,90 @@ class ProgressService {
    var totalDamageTaken = combat.totalDamageTaken;
    var turnsElapsed = combat.turnsElapsed;
    var updatedSkillSystem = skillSystem;
+    var activeDoTs = [...combat.activeDoTs];
+    var usedPotionTypes = {...combat.usedPotionTypes};
+    PotionInventory? updatedPotionInventory;

    // 새 전투 이벤트 수집
    final newEvents = <CombatEvent>[];
    final timestamp = updatedSkillSystem.elapsedMs;

+    // =========================================================================
+    // DOT 틱 처리
+    // =========================================================================
+    var dotDamageThisTick = 0;
+    final updatedDoTs = <DotEffect>[];
+
+    for (final dot in activeDoTs) {
+      final (updatedDot, ticksTriggered) = dot.tick(elapsedMs);
+
+      if (ticksTriggered > 0) {
+        final damage = dot.damagePerTick * ticksTriggered;
+        dotDamageThisTick += damage;
+
+        // DOT 데미지 이벤트 생성
+        newEvents.add(CombatEvent.dotTick(
+          timestamp: timestamp,
+          skillName: dot.skillId,
+          damage: damage,
+          targetName: monsterStats.name,
+        ));
+      }
+
+      // 만료되지 않은 DOT만 유지
+      if (updatedDot.isActive) {
+        updatedDoTs.add(updatedDot);
+      }
+    }
+
+    // DOT 데미지 적용
+    if (dotDamageThisTick > 0 && monsterStats.isAlive) {
+      final newMonsterHp = (monsterStats.hpCurrent - dotDamageThisTick)
+          .clamp(0, monsterStats.hpMax);
+      monsterStats = monsterStats.copyWith(hpCurrent: newMonsterHp);
+      totalDamageDealt += dotDamageThisTick;
+    }
+
+    activeDoTs = updatedDoTs;
+
+    // =========================================================================
+    // 긴급 물약 자동 사용 (HP < 30%)
+    // =========================================================================
+    final hpRatio = playerStats.hpCurrent / playerStats.hpMax;
+    if (hpRatio <= PotionService.emergencyHpThreshold) {
+      final emergencyPotion = potionService.selectEmergencyHpPotion(
+        currentHp: playerStats.hpCurrent,
+        maxHp: playerStats.hpMax,
+        inventory: state.potionInventory,
+        playerLevel: state.traits.level,
+      );
+
+      if (emergencyPotion != null &&
+          !usedPotionTypes.contains(PotionType.hp)) {
+        final result = potionService.usePotion(
+          potionId: emergencyPotion.id,
+          inventory: state.potionInventory,
+          currentHp: playerStats.hpCurrent,
+          maxHp: playerStats.hpMax,
+          currentMp: playerStats.mpCurrent,
+          maxMp: playerStats.mpMax,
+        );
+
+        if (result.success) {
+          playerStats = playerStats.copyWith(hpCurrent: result.newHp);
+          usedPotionTypes = {...usedPotionTypes, PotionType.hp};
+          updatedPotionInventory = result.newInventory;
+
+          newEvents.add(CombatEvent.playerPotion(
+            timestamp: timestamp,
+            potionName: emergencyPotion.name,
+            healAmount: result.healedAmount,
+            isHp: true,
+          ));
+        }
+      }
+    }
+
    // 플레이어 공격 체크
    if (playerAccumulator >= playerStats.attackDelayMs) {
      // 스킬 자동 선택
@@ -912,6 +1066,7 @@ class ProgressService {
        monster: monsterStats,
        skillSystem: updatedSkillSystem,
        availableSkillIds: availableSkillIds,
+        activeDoTs: activeDoTs,
      );

      if (selectedSkill != null && selectedSkill.isAttack) {
@@ -934,6 +1089,30 @@ class ProgressService {
          damage: skillResult.result.damage,
          targetName: monsterStats.name,
        ));
+      } else if (selectedSkill != null && selectedSkill.isDot) {
+        // DOT 스킬 사용
+        final skillResult = skillService.useDotSkill(
+          skill: selectedSkill,
+          player: playerStats,
+          skillSystem: updatedSkillSystem,
+          playerInt: state.stats.intelligence,
+          playerWis: state.stats.wis,
+        );
+        playerStats = skillResult.updatedPlayer;
+        updatedSkillSystem = skillResult.updatedSkillSystem;
+
+        // DOT 효과 추가
+        if (skillResult.dotEffect != null) {
+          activeDoTs.add(skillResult.dotEffect!);
+        }
+
+        // DOT 스킬 사용 이벤트 생성
+        newEvents.add(CombatEvent.playerSkill(
+          timestamp: timestamp,
+          skillName: selectedSkill.name,
+          damage: skillResult.result.damage,
+          targetName: monsterStats.name,
+        ));
      } else if (selectedSkill != null && selectedSkill.isHeal) {
        // 회복 스킬 사용
        final skillResult = skillService.useHealSkill(
@@ -1053,8 +1232,11 @@ class ProgressService {
        turnsElapsed: turnsElapsed,
        isActive: isActive,
        recentEvents: recentEvents,
+        activeDoTs: activeDoTs,
+        usedPotionTypes: usedPotionTypes,
      ),
      skillSystem: updatedSkillSystem,
+      potionInventory: updatedPotionInventory,
    );
  }

--- a/lib/src/core/engine/skill_service.dart
+++ b/lib/src/core/engine/skill_service.dart
@@ -181,6 +181,60 @@ class SkillService {
    );
  }

+  /// DOT 스킬 사용
+  ///
+  /// DOT 효과를 생성하여 반환. 호출자가 전투 상태의 activeDoTs에 추가해야 함.
+  /// INT → 틱당 데미지 보정, WIS → 틱 간격 보정
+  ({
+    SkillUseResult result,
+    CombatStats updatedPlayer,
+    SkillSystemState updatedSkillSystem,
+    DotEffect? dotEffect,
+  }) useDotSkill({
+    required Skill skill,
+    required CombatStats player,
+    required SkillSystemState skillSystem,
+    required int playerInt,
+    required int playerWis,
+  }) {
+    if (!skill.isDot) {
+      return (
+        result: SkillUseResult.failed(skill, SkillFailReason.invalidState),
+        updatedPlayer: player,
+        updatedSkillSystem: skillSystem,
+        dotEffect: null,
+      );
+    }
+
+    // DOT 효과 생성 (INT/WIS 보정 적용)
+    final dotEffect = DotEffect.fromSkill(
+      skill,
+      playerInt: playerInt,
+      playerWis: playerWis,
+    );
+
+    // MP 소모
+    var updatedPlayer = player.withMp(player.mpCurrent - skill.mpCost);
+
+    // 스킬 상태 업데이트 (쿨타임 시작)
+    final updatedSkillSystem = _updateSkillCooldown(skillSystem, skill.id);
+
+    // 예상 총 데미지 계산 (틱 수 × 틱당 데미지)
+    final expectedTicks = dotEffect.totalDurationMs ~/ dotEffect.tickIntervalMs;
+    final expectedDamage = expectedTicks * dotEffect.damagePerTick;
+
+    return (
+      result: SkillUseResult(
+        skill: skill,
+        success: true,
+        damage: expectedDamage,
+      ),
+      updatedPlayer: updatedPlayer,
+      updatedSkillSystem: updatedSkillSystem,
+      dotEffect: dotEffect,
+    );
+  }
+
  // ============================================================================
  // 자동 스킬 선택
  // ============================================================================
@@ -189,14 +243,16 @@ class SkillService {
  ///
  /// 우선순위:
  /// 1. HP < 30% → 회복 스킬
-  /// 2. 보스전 (레벨 차이 10 이상) → 가장 강력한 공격 스킬
-  /// 3. 일반 전투 → MP 효율이 좋은 스킬
-  /// 4. MP < 20% → null (일반 공격)
+  /// 2. 몬스터 HP > 50% & DOT 없음 → DOT 스킬 (장기전 유리)
+  /// 3. 보스전 (레벨 차이 10 이상) → 가장 강력한 공격 스킬
+  /// 4. 일반 전투 → MP 효율이 좋은 스킬
+  /// 5. MP < 20% → null (일반 공격)
  Skill? selectAutoSkill({
    required CombatStats player,
    required MonsterCombatStats monster,
    required SkillSystemState skillSystem,
    required List<String> availableSkillIds,
+    List<DotEffect> activeDoTs = const [],
  }) {
    final currentMp = player.mpCurrent;
    final mpRatio = player.mpRatio;
@@ -225,6 +281,12 @@ class SkillService {
      if (healSkill != null) return healSkill;
    }

+    // 몬스터 HP > 50% & 활성 DOT 없음 → DOT 스킬 사용
+    if (monster.hpRatio > 0.5 && activeDoTs.isEmpty) {
+      final dotSkill = _findBestDotSkill(availableSkills, currentMp);
+      if (dotSkill != null) return dotSkill;
+    }
+
    // 보스전 판단 (몬스터 레벨이 높음)
    final isBossFight = monster.level >= 10 && monster.hpRatio > 0.5;

@@ -237,6 +299,28 @@ class SkillService {
    return _findEfficientAttackSkill(availableSkills);
  }

+  /// 가장 좋은 DOT 스킬 찾기
+  ///
+  /// 예상 총 데미지 (틱 × 데미지) 기준으로 선택
+  Skill? _findBestDotSkill(List<Skill> skills, int currentMp) {
+    final dotSkills = skills
+        .where((s) => s.isDot && s.mpCost <= currentMp)
+        .toList();
+
+    if (dotSkills.isEmpty) return null;
+
+    // 예상 총 데미지 기준 정렬
+    dotSkills.sort((a, b) {
+      final aTotal = (a.baseDotDamage ?? 0) *
+          ((a.baseDotDurationMs ?? 0) ~/ (a.baseDotTickMs ?? 1000));
+      final bTotal = (b.baseDotDamage ?? 0) *
+          ((b.baseDotDurationMs ?? 0) ~/ (b.baseDotTickMs ?? 1000));
+      return bTotal.compareTo(aTotal);
+    });
+
+    return dotSkills.first;
+  }
+
  /// 가장 좋은 회복 스킬 찾기
  Skill? _findBestHealSkill(List<Skill> skills, int currentMp) {
    final healSkills = skills
--- a/lib/src/core/model/combat_event.dart
+++ b/lib/src/core/model/combat_event.dart
@@ -26,6 +26,15 @@ enum CombatEventType {

  /// 플레이어 버프
  playerBuff,
+
+  /// DOT 틱 데미지
+  dotTick,
+
+  /// 물약 사용
+  playerPotion,
+
+  /// 물약 드랍
+  potionDrop,
 }

 /// 전투 이벤트 (Combat Event)
@@ -188,4 +197,51 @@ class CombatEvent {
      skillName: skillName,
    );
  }
+
+  /// DOT 틱 이벤트 생성
+  factory CombatEvent.dotTick({
+    required int timestamp,
+    required String skillName,
+    required int damage,
+    required String targetName,
+  }) {
+    return CombatEvent(
+      type: CombatEventType.dotTick,
+      timestamp: timestamp,
+      skillName: skillName,
+      damage: damage,
+      targetName: targetName,
+    );
+  }
+
+  /// 물약 사용 이벤트 생성
+  factory CombatEvent.playerPotion({
+    required int timestamp,
+    required String potionName,
+    required int healAmount,
+    required bool isHp,
+  }) {
+    return CombatEvent(
+      type: CombatEventType.playerPotion,
+      timestamp: timestamp,
+      skillName: potionName,
+      healAmount: healAmount,
+      // isHp를 구분하기 위해 targetName 사용 (HP/MP)
+      targetName: isHp ? 'HP' : 'MP',
+    );
+  }
+
+  /// 물약 드랍 이벤트 생성
+  factory CombatEvent.potionDrop({
+    required int timestamp,
+    required String potionName,
+    required bool isHp,
+  }) {
+    return CombatEvent(
+      type: CombatEventType.potionDrop,
+      timestamp: timestamp,
+      skillName: potionName,
+      targetName: isHp ? 'HP' : 'MP',
+    );
+  }
 }
--- a/lib/src/core/model/combat_state.dart
+++ b/lib/src/core/model/combat_state.dart
@@ -1,6 +1,8 @@
 import 'package:askiineverdie/src/core/model/combat_event.dart';
 import 'package:askiineverdie/src/core/model/combat_stats.dart';
 import 'package:askiineverdie/src/core/model/monster_combat_stats.dart';
+import 'package:askiineverdie/src/core/model/potion.dart';
+import 'package:askiineverdie/src/core/model/skill.dart';

 /// 현재 전투 상태
 ///
@@ -17,6 +19,8 @@ class CombatState {
    required this.turnsElapsed,
    required this.isActive,
    this.recentEvents = const [],
+    this.activeDoTs = const [],
+    this.usedPotionTypes = const {},
  });

  /// 플레이어 전투 스탯
@@ -46,6 +50,12 @@ class CombatState {
  /// 최근 전투 이벤트 목록 (최대 10개)
  final List<CombatEvent> recentEvents;

+  /// 활성 DOT 효과 목록
+  final List<DotEffect> activeDoTs;
+
+  /// 이번 전투에서 사용한 물약 종류 (종류별 1회 제한)
+  final Set<PotionType> usedPotionTypes;
+
  // ============================================================================
  // 유틸리티
  // ============================================================================
@@ -65,6 +75,19 @@ class CombatState {
  /// 몬스터 HP 비율
  double get monsterHpRatio => monsterStats.hpRatio;

+  /// 특정 종류 물약 사용 가능 여부
+  bool canUsePotionType(PotionType type) => !usedPotionTypes.contains(type);
+
+  /// 활성 DOT 존재 여부
+  bool get hasActiveDoTs => activeDoTs.isNotEmpty;
+
+  /// DOT 총 예상 데미지
+  int get totalDotDamageRemaining {
+    return activeDoTs.fold(0, (sum, dot) {
+      return sum + (dot.damagePerTick * dot.remainingTicks);
+    });
+  }
+
  CombatState copyWith({
    CombatStats? playerStats,
    MonsterCombatStats? monsterStats,
@@ -75,6 +98,8 @@ class CombatState {
    int? turnsElapsed,
    bool? isActive,
    List<CombatEvent>? recentEvents,
+    List<DotEffect>? activeDoTs,
+    Set<PotionType>? usedPotionTypes,
  }) {
    return CombatState(
      playerStats: playerStats ?? this.playerStats,
@@ -88,6 +113,8 @@ class CombatState {
      turnsElapsed: turnsElapsed ?? this.turnsElapsed,
      isActive: isActive ?? this.isActive,
      recentEvents: recentEvents ?? this.recentEvents,
+      activeDoTs: activeDoTs ?? this.activeDoTs,
+      usedPotionTypes: usedPotionTypes ?? this.usedPotionTypes,
    );
  }

--- a/lib/src/core/model/combat_stats.dart
+++ b/lib/src/core/model/combat_stats.dart
@@ -270,9 +270,13 @@ class CombatStats {
    final baseParryRate = (effectiveDex + effectiveStr) * 0.002;
    final parryRate = (baseParryRate + equipStats.parryRate).clamp(0.0, 0.4);

-    // 공격 속도: DEX 기반 (기본 1000ms, 최소 357ms)
+    // 공격 속도: 무기 기본 공속 + DEX 보정
+    // 무기 attackSpeed가 0이면 기본값 1000ms 사용
+    final weaponItem = equipment.items[0]; // 무기 슬롯
+    final weaponSpeed = weaponItem.stats.attackSpeed;
+    final baseAttackSpeed = weaponSpeed > 0 ? weaponSpeed : 1000;
    final speedModifier = 1.0 + (effectiveDex - 10) * 0.02;
-    final attackDelayMs = (1000 / speedModifier).round().clamp(357, 1500);
+    final attackDelayMs = (baseAttackSpeed / speedModifier).round().clamp(300, 2000);

    // HP/MP: 기본 + 장비 보너스
    var totalHpMax = stats.hpMax + equipStats.hpBonus;
--- a/lib/src/core/model/game_state.dart
+++ b/lib/src/core/model/game_state.dart
@@ -5,6 +5,7 @@ import 'package:askiineverdie/src/core/model/combat_state.dart';
 import 'package:askiineverdie/src/core/model/equipment_item.dart';
 import 'package:askiineverdie/src/core/model/equipment_slot.dart';
 import 'package:askiineverdie/src/core/model/item_stats.dart';
+import 'package:askiineverdie/src/core/model/potion.dart';
 import 'package:askiineverdie/src/core/model/skill.dart';
 import 'package:askiineverdie/src/core/util/deterministic_random.dart';

@@ -23,6 +24,7 @@ class GameState {
    ProgressState? progress,
    QueueState? queue,
    SkillSystemState? skillSystem,
+    PotionInventory? potionInventory,
    this.deathInfo,
  }) : rng = DeterministicRandom.clone(rng),
       traits = traits ?? Traits.empty(),
@@ -32,7 +34,8 @@ class GameState {
       spellBook = spellBook ?? SpellBook.empty(),
       progress = progress ?? ProgressState.empty(),
       queue = queue ?? QueueState.empty(),
-       skillSystem = skillSystem ?? SkillSystemState.empty();
+       skillSystem = skillSystem ?? SkillSystemState.empty(),
+       potionInventory = potionInventory ?? const PotionInventory();

  factory GameState.withSeed({
    required int seed,
@@ -44,6 +47,7 @@ class GameState {
    ProgressState? progress,
    QueueState? queue,
    SkillSystemState? skillSystem,
+    PotionInventory? potionInventory,
    DeathInfo? deathInfo,
  }) {
    return GameState(
@@ -56,6 +60,7 @@ class GameState {
      progress: progress,
      queue: queue,
      skillSystem: skillSystem,
+      potionInventory: potionInventory,
      deathInfo: deathInfo,
    );
  }
@@ -72,6 +77,9 @@ class GameState {
  /// 스킬 시스템 상태 (Phase 3)
  final SkillSystemState skillSystem;

+  /// 물약 인벤토리
+  final PotionInventory potionInventory;
+
  /// 사망 정보 (Phase 4, null이면 생존 중)
  final DeathInfo? deathInfo;

@@ -88,6 +96,7 @@ class GameState {
    ProgressState? progress,
    QueueState? queue,
    SkillSystemState? skillSystem,
+    PotionInventory? potionInventory,
    DeathInfo? deathInfo,
    bool clearDeathInfo = false,
  }) {
@@ -101,6 +110,7 @@ class GameState {
      progress: progress ?? this.progress,
      queue: queue ?? this.queue,
      skillSystem: skillSystem ?? this.skillSystem,
+      potionInventory: potionInventory ?? this.potionInventory,
      deathInfo: clearDeathInfo ? null : (deathInfo ?? this.deathInfo),
    );
  }
--- a/lib/src/core/model/item_stats.dart
+++ b/lib/src/core/model/item_stats.dart
@@ -47,6 +47,7 @@ class ItemStats {
    this.intBonus = 0,
    this.wisBonus = 0,
    this.chaBonus = 0,
+    this.attackSpeed = 0,
  });

  /// 물리 공격력 보정
@@ -97,6 +98,12 @@ class ItemStats {
  /// CHA 보너스
  final int chaBonus;

+  /// 무기 공격속도 (밀리초, 무기 전용)
+  ///
+  /// 0이면 기본값(1000ms) 사용, 값이 클수록 느린 공격.
+  /// 느린 무기는 높은 기본 데미지를 가짐.
+  final int attackSpeed;
+
  /// 스탯 합계 (가중치 계산용)
  int get totalStatValue {
    return atk +
@@ -121,6 +128,8 @@ class ItemStats {
  static const empty = ItemStats();

  /// 두 스탯 합산
+  ///
+  /// attackSpeed는 합산 대상 아님 (무기 슬롯 단일 값)
  ItemStats operator +(ItemStats other) {
    return ItemStats(
      atk: atk + other.atk,
@@ -139,6 +148,7 @@ class ItemStats {
      intBonus: intBonus + other.intBonus,
      wisBonus: wisBonus + other.wisBonus,
      chaBonus: chaBonus + other.chaBonus,
+      // attackSpeed는 무기에서만 직접 참조
    );
  }

@@ -159,6 +169,7 @@ class ItemStats {
    int? intBonus,
    int? wisBonus,
    int? chaBonus,
+    int? attackSpeed,
  }) {
    return ItemStats(
      atk: atk ?? this.atk,
@@ -177,6 +188,7 @@ class ItemStats {
      intBonus: intBonus ?? this.intBonus,
      wisBonus: wisBonus ?? this.wisBonus,
      chaBonus: chaBonus ?? this.chaBonus,
+      attackSpeed: attackSpeed ?? this.attackSpeed,
    );
  }
 }
--- a/lib/src/core/model/potion.dart
+++ b/lib/src/core/model/potion.dart
@@ -0,0 +1,136 @@
+/// 물약 종류
+enum PotionType {
+  /// HP 회복 물약
+  hp,
+
+  /// MP 회복 물약
+  mp,
+}
+
+/// 물약 아이템
+///
+/// 전투 중 사용 가능한 소모품.
+/// 전투당 종류별 1회만 사용 가능.
+class Potion {
+  const Potion({
+    required this.id,
+    required this.name,
+    required this.type,
+    required this.tier,
+    this.healAmount = 0,
+    this.healPercent = 0.0,
+    this.price = 0,
+  });
+
+  /// 물약 ID
+  final String id;
+
+  /// 물약 이름
+  final String name;
+
+  /// 물약 종류 (hp / mp)
+  final PotionType type;
+
+  /// 물약 티어 (1~5, 높을수록 강력)
+  final int tier;
+
+  /// 고정 회복량
+  final int healAmount;
+
+  /// 비율 회복량 (0.0 ~ 1.0)
+  final double healPercent;
+
+  /// 구매 가격 (골드)
+  final int price;
+
+  /// HP 물약 여부
+  bool get isHpPotion => type == PotionType.hp;
+
+  /// MP 물약 여부
+  bool get isMpPotion => type == PotionType.mp;
+
+  /// 실제 회복량 계산
+  ///
+  /// [maxValue] 최대 HP 또는 MP
+  int calculateHeal(int maxValue) {
+    final percentHeal = (maxValue * healPercent).round();
+    return healAmount + percentHeal;
+  }
+}
+
+/// 물약 인벤토리 상태
+///
+/// 보유 물약 수량 및 전투 중 사용 기록 관리
+class PotionInventory {
+  const PotionInventory({
+    this.potions = const {},
+    this.usedInBattle = const {},
+  });
+
+  /// 보유 물약 (물약 ID → 수량)
+  final Map<String, int> potions;
+
+  /// 현재 전투에서 사용한 물약 종류
+  final Set<PotionType> usedInBattle;
+
+  /// 물약 보유 여부
+  bool hasPotion(String potionId) => (potions[potionId] ?? 0) > 0;
+
+  /// 물약 수량 조회
+  int getQuantity(String potionId) => potions[potionId] ?? 0;
+
+  /// 특정 종류 물약 사용 가능 여부
+  ///
+  /// 전투당 종류별 1회 제한 체크
+  bool canUseType(PotionType type) => !usedInBattle.contains(type);
+
+  /// 물약 추가
+  PotionInventory addPotion(String potionId, [int count = 1]) {
+    final newPotions = Map<String, int>.from(potions);
+    newPotions[potionId] = (newPotions[potionId] ?? 0) + count;
+    return PotionInventory(
+      potions: newPotions,
+      usedInBattle: usedInBattle,
+    );
+  }
+
+  /// 물약 사용 (수량 감소)
+  PotionInventory usePotion(String potionId, PotionType type) {
+    final currentQty = potions[potionId] ?? 0;
+    if (currentQty <= 0) return this;
+
+    final newPotions = Map<String, int>.from(potions);
+    newPotions[potionId] = currentQty - 1;
+    if (newPotions[potionId] == 0) {
+      newPotions.remove(potionId);
+    }
+
+    final newUsed = Set<PotionType>.from(usedInBattle)..add(type);
+
+    return PotionInventory(
+      potions: newPotions,
+      usedInBattle: newUsed,
+    );
+  }
+
+  /// 전투 종료 시 사용 기록 초기화
+  PotionInventory resetBattleUsage() {
+    return PotionInventory(
+      potions: potions,
+      usedInBattle: const {},
+    );
+  }
+
+  /// 빈 인벤토리
+  static const empty = PotionInventory();
+
+  PotionInventory copyWith({
+    Map<String, int>? potions,
+    Set<PotionType>? usedInBattle,
+  }) {
+    return PotionInventory(
+      potions: potions ?? this.potions,
+      usedInBattle: usedInBattle ?? this.usedInBattle,
+    );
+  }
+}
--- a/lib/src/core/model/skill.dart
+++ b/lib/src/core/model/skill.dart
@@ -13,6 +13,42 @@ enum SkillType {
  debuff,
 }

+/// 스킬 속성 (하이브리드: 코드 + 시스템)
+enum SkillElement {
+  /// 논리 (Logic) - 순수 데미지
+  logic,
+
+  /// 메모리 (Memory) - DoT 특화
+  memory,
+
+  /// 네트워크 (Network) - 다중 타격
+  network,
+
+  /// 화염 (Overheat) - 높은 순간 데미지
+  fire,
+
+  /// 빙결 (Freeze) - 슬로우 효과
+  ice,
+
+  /// 전기 (Surge) - 빠른 연속 타격
+  lightning,
+
+  /// 공허 (Null) - 방어 무시
+  voidElement,
+
+  /// 혼돈 (Glitch) - 랜덤 효과
+  chaos,
+}
+
+/// 공격 방식
+enum AttackMode {
+  /// 단발성 - 즉시 데미지
+  instant,
+
+  /// 지속 피해 - N초간 틱당 데미지
+  dot,
+}
+
 /// 버프 효과
 class BuffEffect {
  const BuffEffect({
@@ -62,6 +98,11 @@ class Skill {
    this.buff,
    this.selfDamagePercent = 0.0,
    this.targetDefReduction = 0.0,
+    this.element,
+    this.attackMode = AttackMode.instant,
+    this.baseDotDamage,
+    this.baseDotDurationMs,
+    this.baseDotTickMs,
  });

  /// 스킬 ID
@@ -100,6 +141,21 @@ class Skill {
  /// 적 방어력 감소 % (일부 공격 스킬)
  final double targetDefReduction;

+  /// 스킬 속성 (element) - 하이브리드 시스템
+  final SkillElement? element;
+
+  /// 공격 방식 (instant: 단발성, dot: 지속 피해)
+  final AttackMode attackMode;
+
+  /// DOT 기본 틱당 데미지 (스킬 레벨로 결정)
+  final int? baseDotDamage;
+
+  /// DOT 기본 지속시간 (밀리초, 스킬 레벨로 결정)
+  final int? baseDotDurationMs;
+
+  /// DOT 기본 틱 간격 (밀리초, 스킬 레벨로 결정)
+  final int? baseDotTickMs;
+
  /// 공격 스킬 여부
  bool get isAttack => type == SkillType.attack;

@@ -112,6 +168,9 @@ class Skill {
  /// 디버프 스킬 여부
  bool get isDebuff => type == SkillType.debuff;

+  /// DOT 스킬 여부
+  bool get isDot => attackMode == AttackMode.dot;
+
  /// MP 효율 (데미지 당 MP 비용)
  double get mpEfficiency {
    if (type != SkillType.attack || damageMultiplier <= 0) return 0;
@@ -265,3 +324,140 @@ enum SkillFailReason {
  /// 사용 불가 상태
  invalidState,
 }
+
+/// DOT (지속 피해) 효과
+///
+/// 스킬 사용 시 생성되어 전투 중 틱마다 데미지를 적용.
+/// - INT: 틱당 데미지 증가
+/// - WIS: 틱 간격 감소 (더 빠른 피해)
+/// - 스킬 레벨: 기본 데미지, 지속시간, 틱 간격 결정
+class DotEffect {
+  const DotEffect({
+    required this.skillId,
+    required this.baseDamage,
+    required this.damagePerTick,
+    required this.tickIntervalMs,
+    required this.totalDurationMs,
+    this.remainingDurationMs = 0,
+    this.tickAccumulatorMs = 0,
+    this.element,
+  });
+
+  /// 원본 스킬 ID
+  final String skillId;
+
+  /// 스킬 기본 데미지 (스킬 레벨로 결정)
+  final int baseDamage;
+
+  /// INT 보정 적용된 틱당 실제 데미지
+  final int damagePerTick;
+
+  /// WIS 보정 적용된 틱 간격 (밀리초)
+  final int tickIntervalMs;
+
+  /// 총 지속시간 (밀리초, 스킬 레벨로 결정)
+  final int totalDurationMs;
+
+  /// 남은 지속시간 (밀리초)
+  final int remainingDurationMs;
+
+  /// 다음 틱까지 누적 시간 (밀리초)
+  final int tickAccumulatorMs;
+
+  /// 속성 (선택)
+  final SkillElement? element;
+
+  /// DOT 만료 여부
+  bool get isExpired => remainingDurationMs <= 0;
+
+  /// DOT 활성 여부
+  bool get isActive => remainingDurationMs > 0;
+
+  /// 예상 남은 틱 수
+  int get remainingTicks {
+    if (tickIntervalMs <= 0) return 0;
+    return (remainingDurationMs / tickIntervalMs).ceil();
+  }
+
+  /// 스킬과 플레이어 스탯으로 DotEffect 생성
+  ///
+  /// [skill] DOT 스킬
+  /// [playerInt] 플레이어 INT (틱당 데미지 보정)
+  /// [playerWis] 플레이어 WIS (틱 간격 보정)
+  factory DotEffect.fromSkill(Skill skill, {int playerInt = 10, int playerWis = 10}) {
+    assert(skill.isDot, 'DOT 스킬만 DotEffect 생성 가능');
+    assert(skill.baseDotDamage != null, 'baseDotDamage 필수');
+    assert(skill.baseDotDurationMs != null, 'baseDotDurationMs 필수');
+    assert(skill.baseDotTickMs != null, 'baseDotTickMs 필수');
+
+    // INT → 데미지 보정 (INT 10 기준, ±3%/포인트)
+    final intMod = 1.0 + (playerInt - 10) * 0.03;
+    final actualDamage = (skill.baseDotDamage! * intMod).round();
+
+    // WIS → 틱 간격 보정 (WIS 10 기준, ±2%/포인트, 빨라짐)
+    final wisMod = 1.0 + (playerWis - 10) * 0.02;
+    final actualTickMs = (skill.baseDotTickMs! / wisMod).clamp(200, 2000).round();
+
+    return DotEffect(
+      skillId: skill.id,
+      baseDamage: skill.baseDotDamage!,
+      damagePerTick: actualDamage.clamp(1, 9999),
+      tickIntervalMs: actualTickMs,
+      totalDurationMs: skill.baseDotDurationMs!,
+      remainingDurationMs: skill.baseDotDurationMs!,
+      tickAccumulatorMs: 0,
+      element: skill.element,
+    );
+  }
+
+  /// 시간 경과 후 새 DotEffect 반환
+  ///
+  /// [elapsedMs] 경과 시간 (밀리초)
+  /// Returns: (새 DotEffect, 이번에 발생한 틱 수)
+  (DotEffect, int) tick(int elapsedMs) {
+    var newAccumulator = tickAccumulatorMs + elapsedMs;
+    var newRemaining = remainingDurationMs - elapsedMs;
+    var ticksTriggered = 0;
+
+    // 틱 발생 체크
+    while (newAccumulator >= tickIntervalMs && newRemaining > 0) {
+      newAccumulator -= tickIntervalMs;
+      ticksTriggered++;
+    }
+
+    final updated = DotEffect(
+      skillId: skillId,
+      baseDamage: baseDamage,
+      damagePerTick: damagePerTick,
+      tickIntervalMs: tickIntervalMs,
+      totalDurationMs: totalDurationMs,
+      remainingDurationMs: newRemaining.clamp(0, totalDurationMs),
+      tickAccumulatorMs: newRemaining > 0 ? newAccumulator : 0,
+      element: element,
+    );
+
+    return (updated, ticksTriggered);
+  }
+
+  DotEffect copyWith({
+    String? skillId,
+    int? baseDamage,
+    int? damagePerTick,
+    int? tickIntervalMs,
+    int? totalDurationMs,
+    int? remainingDurationMs,
+    int? tickAccumulatorMs,
+    SkillElement? element,
+  }) {
+    return DotEffect(
+      skillId: skillId ?? this.skillId,
+      baseDamage: baseDamage ?? this.baseDamage,
+      damagePerTick: damagePerTick ?? this.damagePerTick,
+      tickIntervalMs: tickIntervalMs ?? this.tickIntervalMs,
+      totalDurationMs: totalDurationMs ?? this.totalDurationMs,
+      remainingDurationMs: remainingDurationMs ?? this.remainingDurationMs,
+      tickAccumulatorMs: tickAccumulatorMs ?? this.tickAccumulatorMs,
+      element: element ?? this.element,
+    );
+  }
+}
--- a/lib/src/features/game/game_play_screen.dart
+++ b/lib/src/features/game/game_play_screen.dart
@@ -20,7 +20,10 @@ import 'package:askiineverdie/src/features/game/widgets/hp_mp_bar.dart';
 import 'package:askiineverdie/src/features/game/widgets/notification_overlay.dart';
 import 'package:askiineverdie/src/features/game/widgets/skill_panel.dart';
 import 'package:askiineverdie/src/features/game/widgets/stats_panel.dart';
+import 'package:askiineverdie/src/features/game/widgets/equipment_stats_panel.dart';
+import 'package:askiineverdie/src/features/game/widgets/potion_inventory_panel.dart';
 import 'package:askiineverdie/src/features/game/widgets/task_progress_panel.dart';
+import 'package:askiineverdie/src/features/game/widgets/active_buff_panel.dart';

 /// 게임 진행 화면 (Main.dfm 기반 3패널 레이아웃)
 ///
@@ -199,6 +202,18 @@ class _GamePlayScreenState extends State<GamePlayScreen>
          '${event.skillName} activated!',
          CombatLogType.buff,
        ),
+      CombatEventType.dotTick => (
+          '${event.skillName} ticks for ${event.damage} damage',
+          CombatLogType.dotTick,
+        ),
+      CombatEventType.playerPotion => (
+          '${event.skillName}: +${event.healAmount} ${event.targetName}',
+          CombatLogType.potion,
+        ),
+      CombatEventType.potionDrop => (
+          'Dropped: ${event.skillName}',
+          CombatLogType.potionDrop,
+        ),
    };
  }

@@ -534,6 +549,15 @@ class _GamePlayScreenState extends State<GamePlayScreen>
          // Phase 8: 스킬 (Skills with cooldown glow)
          _buildSectionHeader('Skills'),
          Expanded(flex: 2, child: SkillPanel(skillSystem: state.skillSystem)),
+
+          // 활성 버프 (Active Buffs)
+          _buildSectionHeader('Buffs'),
+          Expanded(
+            child: ActiveBuffPanel(
+              activeBuffs: state.skillSystem.activeBuffs,
+              currentMs: state.skillSystem.elapsedMs,
+            ),
+          ),
        ],
      ),
    );
@@ -549,12 +573,25 @@ class _GamePlayScreenState extends State<GamePlayScreen>
        children: [
          _buildPanelHeader(l10n.equipment),

-          // Equipment 목록
-          Expanded(flex: 2, child: _buildEquipmentList(state)),
+          // Equipment 목록 (확장 가능 스탯 패널)
+          Expanded(
+            flex: 2,
+            child: EquipmentStatsPanel(equipment: state.equipment),
+          ),

          // Inventory
          _buildPanelHeader(l10n.inventory),
-          Expanded(flex: 2, child: _buildInventoryList(state)),
+          Expanded(child: _buildInventoryList(state)),
+
+          // Potions (물약 인벤토리)
+          _buildSectionHeader('Potions'),
+          Expanded(
+            child: PotionInventoryPanel(
+              inventory: state.potionInventory,
+              usedInBattle:
+                  state.progress.currentCombat?.usedPotionTypes ?? const {},
+            ),
+          ),

          // Encumbrance 바
          _buildSectionHeader(l10n.encumbrance),
@@ -729,58 +766,6 @@ class _GamePlayScreenState extends State<GamePlayScreen>
    );
  }

-  Widget _buildEquipmentList(GameState state) {
-    // 원본 Main.dfm Equips ListView - 11개 슬롯
-    // (슬롯 레이블, 장비 이름, 슬롯 인덱스) 튜플
-    final l10n = L10n.of(context);
-    final equipment = [
-      (l10n.equipWeapon, state.equipment.weapon, 0),
-      (l10n.equipShield, state.equipment.shield, 1),
-      (l10n.equipHelm, state.equipment.helm, 2),
-      (l10n.equipHauberk, state.equipment.hauberk, 3),
-      (l10n.equipBrassairts, state.equipment.brassairts, 4),
-      (l10n.equipVambraces, state.equipment.vambraces, 5),
-      (l10n.equipGauntlets, state.equipment.gauntlets, 6),
-      (l10n.equipGambeson, state.equipment.gambeson, 7),
-      (l10n.equipCuisses, state.equipment.cuisses, 8),
-      (l10n.equipGreaves, state.equipment.greaves, 9),
-      (l10n.equipSollerets, state.equipment.sollerets, 10),
-    ];
-
-    return ListView.builder(
-      itemCount: equipment.length,
-      padding: const EdgeInsets.symmetric(horizontal: 8),
-      itemBuilder: (context, index) {
-        final equip = equipment[index];
-        // 장비 이름 번역 (슬롯 인덱스 사용)
-        final translatedName = equip.$2.isNotEmpty
-            ? GameDataL10n.translateEquipString(context, equip.$2, equip.$3)
-            : '-';
-        return Padding(
-          padding: const EdgeInsets.symmetric(vertical: 2),
-          child: Row(
-            children: [
-              SizedBox(
-                width: 60,
-                child: Text(equip.$1, style: const TextStyle(fontSize: 11)),
-              ),
-              Expanded(
-                child: Text(
-                  translatedName,
-                  style: const TextStyle(
-                    fontSize: 11,
-                    fontWeight: FontWeight.bold,
-                  ),
-                  overflow: TextOverflow.ellipsis,
-                ),
-              ),
-            ],
-          ),
-        );
-      },
-    );
-  }
-
  Widget _buildInventoryList(GameState state) {
    final l10n = L10n.of(context);
    if (state.inventory.items.isEmpty) {
--- a/lib/src/features/game/widgets/active_buff_panel.dart
+++ b/lib/src/features/game/widgets/active_buff_panel.dart
@@ -0,0 +1,206 @@
+import 'package:flutter/material.dart';
+
+import 'package:askiineverdie/src/core/model/skill.dart';
+
+/// 활성 버프 패널 위젯
+///
+/// 현재 적용 중인 버프 목록과 남은 시간을 표시.
+class ActiveBuffPanel extends StatelessWidget {
+  const ActiveBuffPanel({
+    super.key,
+    required this.activeBuffs,
+    required this.currentMs,
+  });
+
+  final List<ActiveBuff> activeBuffs;
+  final int currentMs;
+
+  @override
+  Widget build(BuildContext context) {
+    if (activeBuffs.isEmpty) {
+      return const Center(
+        child: Text(
+          'No active buffs',
+          style: TextStyle(
+            fontSize: 11,
+            color: Colors.grey,
+            fontStyle: FontStyle.italic,
+          ),
+        ),
+      );
+    }
+
+    return ListView.builder(
+      itemCount: activeBuffs.length,
+      padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
+      itemBuilder: (context, index) {
+        final buff = activeBuffs[index];
+        return _BuffRow(buff: buff, currentMs: currentMs);
+      },
+    );
+  }
+}
+
+/// 개별 버프 행 위젯
+class _BuffRow extends StatelessWidget {
+  const _BuffRow({
+    required this.buff,
+    required this.currentMs,
+  });
+
+  final ActiveBuff buff;
+  final int currentMs;
+
+  @override
+  Widget build(BuildContext context) {
+    final remainingMs = buff.remainingDuration(currentMs);
+    final remainingSec = (remainingMs / 1000).toStringAsFixed(1);
+    final progress = remainingMs / buff.effect.durationMs;
+    final modifiers = _buildModifierList();
+
+    return Padding(
+      padding: const EdgeInsets.symmetric(vertical: 2),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Row(
+            children: [
+              // 버프 아이콘
+              const Icon(
+                Icons.trending_up,
+                size: 14,
+                color: Colors.lightBlue,
+              ),
+              const SizedBox(width: 4),
+
+              // 버프 이름
+              Expanded(
+                child: Text(
+                  buff.effect.name,
+                  style: const TextStyle(
+                    fontSize: 11,
+                    fontWeight: FontWeight.w500,
+                    color: Colors.lightBlue,
+                  ),
+                  overflow: TextOverflow.ellipsis,
+                ),
+              ),
+
+              // 남은 시간
+              Text(
+                '${remainingSec}s',
+                style: TextStyle(
+                  fontSize: 10,
+                  color: remainingMs < 3000 ? Colors.orange : Colors.grey,
+                  fontWeight:
+                      remainingMs < 3000 ? FontWeight.bold : FontWeight.normal,
+                ),
+              ),
+            ],
+          ),
+
+          const SizedBox(height: 2),
+
+          // 남은 시간 프로그레스 바
+          ClipRRect(
+            borderRadius: BorderRadius.circular(2),
+            child: LinearProgressIndicator(
+              value: progress.clamp(0.0, 1.0),
+              minHeight: 3,
+              backgroundColor: Colors.grey.shade800,
+              valueColor: AlwaysStoppedAnimation(
+                progress > 0.3 ? Colors.lightBlue : Colors.orange,
+              ),
+            ),
+          ),
+
+          // 효과 목록
+          if (modifiers.isNotEmpty) ...[
+            const SizedBox(height: 2),
+            Wrap(
+              spacing: 6,
+              runSpacing: 2,
+              children: modifiers,
+            ),
+          ],
+        ],
+      ),
+    );
+  }
+
+  /// 버프 효과 목록 생성
+  List<Widget> _buildModifierList() {
+    final modifiers = <Widget>[];
+    final effect = buff.effect;
+
+    if (effect.atkModifier != 0) {
+      modifiers.add(_ModifierChip(
+        label: 'ATK',
+        value: effect.atkModifier,
+        isPositive: effect.atkModifier > 0,
+      ));
+    }
+
+    if (effect.defModifier != 0) {
+      modifiers.add(_ModifierChip(
+        label: 'DEF',
+        value: effect.defModifier,
+        isPositive: effect.defModifier > 0,
+      ));
+    }
+
+    if (effect.criRateModifier != 0) {
+      modifiers.add(_ModifierChip(
+        label: 'CRI',
+        value: effect.criRateModifier,
+        isPositive: effect.criRateModifier > 0,
+      ));
+    }
+
+    if (effect.evasionModifier != 0) {
+      modifiers.add(_ModifierChip(
+        label: 'EVA',
+        value: effect.evasionModifier,
+        isPositive: effect.evasionModifier > 0,
+      ));
+    }
+
+    return modifiers;
+  }
+}
+
+/// 효과 칩 위젯
+class _ModifierChip extends StatelessWidget {
+  const _ModifierChip({
+    required this.label,
+    required this.value,
+    required this.isPositive,
+  });
+
+  final String label;
+  final double value;
+  final bool isPositive;
+
+  @override
+  Widget build(BuildContext context) {
+    final color = isPositive ? Colors.green : Colors.red;
+    final sign = isPositive ? '+' : '';
+    final percent = (value * 100).round();
+
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 1),
+      decoration: BoxDecoration(
+        color: color.withValues(alpha: 0.2),
+        borderRadius: BorderRadius.circular(3),
+      ),
+      child: Text(
+        '$label: $sign$percent%',
+        style: TextStyle(
+          fontSize: 8,
+          color: color,
+          fontWeight: FontWeight.w500,
+        ),
+      ),
+    );
+  }
+}
--- a/lib/src/features/game/widgets/ascii_animation_card.dart
+++ b/lib/src/features/game/widgets/ascii_animation_card.dart
@@ -200,6 +200,15 @@ class _AsciiAnimationCardState extends State<AsciiAnimationCard> {
      // 회복/버프 → idle 페이즈 유지
      CombatEventType.playerHeal => (BattlePhase.idle, false),
      CombatEventType.playerBuff => (BattlePhase.idle, false),
+
+      // DOT 틱 → attack 페이즈 (지속 피해)
+      CombatEventType.dotTick => (BattlePhase.attack, false),
+
+      // 물약 사용 → idle 페이즈 유지
+      CombatEventType.playerPotion => (BattlePhase.idle, false),
+
+      // 물약 드랍 → idle 페이즈 유지
+      CombatEventType.potionDrop => (BattlePhase.idle, false),
    };

    setState(() {
--- a/lib/src/features/game/widgets/combat_log.dart
+++ b/lib/src/features/game/widgets/combat_log.dart
@@ -21,13 +21,16 @@ enum CombatLogType {
  levelUp, // 레벨업
  questComplete, // 퀘스트 완료
  loot, // 전리품 획득
-  spell, // 주문 습득
+  spell, // 스킬 사용
  critical, // 크리티컬 히트
  evade, // 회피
  block, // 방패 방어
  parry, // 무기 쳐내기
  monsterAttack, // 몬스터 공격
  buff, // 버프 활성화
+  dotTick, // DOT 틱 데미지
+  potion, // 물약 사용
+  potionDrop, // 물약 드랍
 }

 /// 전투 로그 위젯 (Phase 8: 실시간 전투 이벤트 표시)
@@ -157,6 +160,9 @@ class _LogEntryTile extends StatelessWidget {
      CombatLogType.parry => (Colors.teal.shade300, Icons.sports_kabaddi),
      CombatLogType.monsterAttack => (Colors.deepOrange.shade300, Icons.dangerous),
      CombatLogType.buff => (Colors.lightBlue.shade300, Icons.trending_up),
+      CombatLogType.dotTick => (Colors.deepPurple.shade300, Icons.whatshot),
+      CombatLogType.potion => (Colors.pink.shade300, Icons.local_drink),
+      CombatLogType.potionDrop => (Colors.lime.shade300, Icons.card_giftcard),
    };
  }
 }
--- a/lib/src/features/game/widgets/death_overlay.dart
+++ b/lib/src/features/game/widgets/death_overlay.dart
@@ -426,6 +426,21 @@ class DeathOverlay extends StatelessWidget {
          Colors.lightBlue.shade300,
          '${event.skillName} activated',
        ),
+      CombatEventType.dotTick => (
+          Icons.whatshot,
+          Colors.deepOrange.shade300,
+          '${event.skillName} ticks for ${event.damage} damage',
+        ),
+      CombatEventType.playerPotion => (
+          Icons.local_drink,
+          Colors.lightGreen.shade300,
+          '${event.skillName}: +${event.healAmount} ${event.targetName}',
+        ),
+      CombatEventType.potionDrop => (
+          Icons.card_giftcard,
+          Colors.lime.shade300,
+          'Dropped: ${event.skillName}',
+        ),
    };
  }
 }
--- a/lib/src/features/game/widgets/equipment_stats_panel.dart
+++ b/lib/src/features/game/widgets/equipment_stats_panel.dart
@@ -0,0 +1,456 @@
+import 'package:flutter/material.dart';
+
+import 'package:askiineverdie/src/core/engine/item_service.dart';
+import 'package:askiineverdie/src/core/model/equipment_item.dart';
+import 'package:askiineverdie/src/core/model/equipment_slot.dart';
+import 'package:askiineverdie/src/core/model/game_state.dart';
+import 'package:askiineverdie/src/core/model/item_stats.dart';
+
+/// 장비 스탯 표시 패널
+///
+/// 각 장비 슬롯의 아이템과 스탯을 확장 가능한 형태로 표시.
+/// 접힌 상태: 슬롯명 + 아이템명
+/// 펼친 상태: 전체 스탯 및 점수
+class EquipmentStatsPanel extends StatelessWidget {
+  const EquipmentStatsPanel({
+    super.key,
+    required this.equipment,
+    this.initiallyExpanded = false,
+  });
+
+  final Equipment equipment;
+  final bool initiallyExpanded;
+
+  @override
+  Widget build(BuildContext context) {
+    final totalScore = _calculateTotalScore();
+    final equippedCount = equipment.items.where((e) => e.isNotEmpty).length;
+
+    return ListView.builder(
+      // +1 for header
+      itemCount: equipment.items.length + 1,
+      padding: const EdgeInsets.all(4),
+      itemBuilder: (context, index) {
+        // 첫 번째 아이템은 총합 헤더
+        if (index == 0) {
+          return _TotalScoreHeader(
+            totalScore: totalScore,
+            equippedCount: equippedCount,
+            totalSlots: equipment.items.length,
+          );
+        }
+
+        final item = equipment.items[index - 1];
+        return _EquipmentSlotTile(
+          item: item,
+          initiallyExpanded: initiallyExpanded,
+        );
+      },
+    );
+  }
+
+  /// 모든 장비의 점수 합산
+  int _calculateTotalScore() {
+    var total = 0;
+    for (final item in equipment.items) {
+      if (item.isNotEmpty) {
+        total += ItemService.calculateEquipmentScore(item);
+      }
+    }
+    return total;
+  }
+}
+
+/// 개별 장비 슬롯 타일
+class _EquipmentSlotTile extends StatelessWidget {
+  const _EquipmentSlotTile({
+    required this.item,
+    this.initiallyExpanded = false,
+  });
+
+  final EquipmentItem item;
+  final bool initiallyExpanded;
+
+  @override
+  Widget build(BuildContext context) {
+    if (item.isEmpty) {
+      return _EmptySlotTile(slot: item.slot);
+    }
+
+    final score = ItemService.calculateEquipmentScore(item);
+    final rarityColor = _getRarityColor(item.rarity);
+
+    return ExpansionTile(
+      initiallyExpanded: initiallyExpanded,
+      tilePadding: const EdgeInsets.symmetric(horizontal: 8),
+      childrenPadding: const EdgeInsets.only(left: 16, right: 8, bottom: 8),
+      dense: true,
+      title: Row(
+        children: [
+          _SlotIcon(slot: item.slot),
+          const SizedBox(width: 4),
+          Expanded(
+            child: Text(
+              item.name,
+              style: TextStyle(
+                fontSize: 11,
+                color: rarityColor,
+                fontWeight: FontWeight.w500,
+              ),
+              overflow: TextOverflow.ellipsis,
+            ),
+          ),
+          _ScoreBadge(score: score),
+        ],
+      ),
+      children: [
+        _StatsGrid(stats: item.stats, slot: item.slot),
+        const SizedBox(height: 4),
+        _ItemMetaRow(item: item),
+      ],
+    );
+  }
+
+  Color _getRarityColor(ItemRarity rarity) {
+    return switch (rarity) {
+      ItemRarity.common => Colors.grey,
+      ItemRarity.uncommon => Colors.green,
+      ItemRarity.rare => Colors.blue,
+      ItemRarity.epic => Colors.purple,
+      ItemRarity.legendary => Colors.orange,
+    };
+  }
+}
+
+/// 빈 슬롯 타일
+class _EmptySlotTile extends StatelessWidget {
+  const _EmptySlotTile({required this.slot});
+
+  final EquipmentSlot slot;
+
+  @override
+  Widget build(BuildContext context) {
+    return ListTile(
+      dense: true,
+      contentPadding: const EdgeInsets.symmetric(horizontal: 8),
+      leading: _SlotIcon(slot: slot, isEmpty: true),
+      title: Text(
+        '[${_getSlotName(slot)}] (empty)',
+        style: TextStyle(
+          fontSize: 11,
+          color: Colors.grey.shade600,
+          fontStyle: FontStyle.italic,
+        ),
+      ),
+    );
+  }
+}
+
+/// 슬롯 아이콘
+class _SlotIcon extends StatelessWidget {
+  const _SlotIcon({required this.slot, this.isEmpty = false});
+
+  final EquipmentSlot slot;
+  final bool isEmpty;
+
+  @override
+  Widget build(BuildContext context) {
+    final icon = switch (slot) {
+      EquipmentSlot.weapon => Icons.gavel,
+      EquipmentSlot.shield => Icons.shield,
+      EquipmentSlot.helm => Icons.sports_martial_arts,
+      EquipmentSlot.hauberk => Icons.checkroom,
+      EquipmentSlot.brassairts => Icons.back_hand,
+      EquipmentSlot.vambraces => Icons.front_hand,
+      EquipmentSlot.gauntlets => Icons.pan_tool,
+      EquipmentSlot.gambeson => Icons.dry_cleaning,
+      EquipmentSlot.cuisses => Icons.airline_seat_legroom_normal,
+      EquipmentSlot.greaves => Icons.snowshoeing,
+      EquipmentSlot.sollerets => Icons.do_not_step,
+    };
+
+    return Icon(
+      icon,
+      size: 16,
+      color: isEmpty ? Colors.grey.shade400 : Colors.grey.shade700,
+    );
+  }
+}
+
+/// 점수 배지
+class _ScoreBadge extends StatelessWidget {
+  const _ScoreBadge({required this.score});
+
+  final int score;
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
+      decoration: BoxDecoration(
+        color: Colors.blueGrey.shade100,
+        borderRadius: BorderRadius.circular(8),
+      ),
+      child: Text(
+        '$score',
+        style: TextStyle(
+          fontSize: 10,
+          fontWeight: FontWeight.bold,
+          color: Colors.blueGrey.shade700,
+        ),
+      ),
+    );
+  }
+}
+
+/// 장비 점수 총합 헤더
+class _TotalScoreHeader extends StatelessWidget {
+  const _TotalScoreHeader({
+    required this.totalScore,
+    required this.equippedCount,
+    required this.totalSlots,
+  });
+
+  final int totalScore;
+  final int equippedCount;
+  final int totalSlots;
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      margin: const EdgeInsets.only(bottom: 8),
+      padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
+      decoration: BoxDecoration(
+        gradient: LinearGradient(
+          colors: [
+            Colors.blueGrey.shade700,
+            Colors.blueGrey.shade600,
+          ],
+        ),
+        borderRadius: BorderRadius.circular(8),
+        boxShadow: [
+          BoxShadow(
+            color: Colors.black.withValues(alpha: 0.2),
+            blurRadius: 4,
+            offset: const Offset(0, 2),
+          ),
+        ],
+      ),
+      child: Row(
+        children: [
+          // 장비 아이콘
+          const Icon(
+            Icons.shield,
+            size: 20,
+            color: Colors.white70,
+          ),
+          const SizedBox(width: 8),
+
+          // 총합 점수
+          Expanded(
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                const Text(
+                  'Equipment Score',
+                  style: TextStyle(
+                    fontSize: 10,
+                    color: Colors.white70,
+                  ),
+                ),
+                Text(
+                  '$totalScore',
+                  style: const TextStyle(
+                    fontSize: 18,
+                    fontWeight: FontWeight.bold,
+                    color: Colors.white,
+                  ),
+                ),
+              ],
+            ),
+          ),
+
+          // 장착 현황
+          Container(
+            padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
+            decoration: BoxDecoration(
+              color: Colors.white.withValues(alpha: 0.2),
+              borderRadius: BorderRadius.circular(12),
+            ),
+            child: Text(
+              '$equippedCount / $totalSlots',
+              style: const TextStyle(
+                fontSize: 11,
+                fontWeight: FontWeight.w500,
+                color: Colors.white,
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+/// 스탯 그리드
+class _StatsGrid extends StatelessWidget {
+  const _StatsGrid({required this.stats, required this.slot});
+
+  final ItemStats stats;
+  final EquipmentSlot slot;
+
+  @override
+  Widget build(BuildContext context) {
+    final entries = <_StatEntry>[];
+
+    // 공격 스탯
+    if (stats.atk > 0) entries.add(_StatEntry('ATK', '+${stats.atk}'));
+    if (stats.magAtk > 0) entries.add(_StatEntry('MATK', '+${stats.magAtk}'));
+    if (stats.criRate > 0) {
+      entries.add(_StatEntry('CRI', '${(stats.criRate * 100).toStringAsFixed(1)}%'));
+    }
+    if (stats.parryRate > 0) {
+      entries.add(_StatEntry('PARRY', '${(stats.parryRate * 100).toStringAsFixed(1)}%'));
+    }
+
+    // 방어 스탯
+    if (stats.def > 0) entries.add(_StatEntry('DEF', '+${stats.def}'));
+    if (stats.magDef > 0) entries.add(_StatEntry('MDEF', '+${stats.magDef}'));
+    if (stats.blockRate > 0) {
+      entries.add(_StatEntry('BLOCK', '${(stats.blockRate * 100).toStringAsFixed(1)}%'));
+    }
+    if (stats.evasion > 0) {
+      entries.add(_StatEntry('EVA', '${(stats.evasion * 100).toStringAsFixed(1)}%'));
+    }
+
+    // 자원 스탯
+    if (stats.hpBonus > 0) entries.add(_StatEntry('HP', '+${stats.hpBonus}'));
+    if (stats.mpBonus > 0) entries.add(_StatEntry('MP', '+${stats.mpBonus}'));
+
+    // 능력치 보너스
+    if (stats.strBonus > 0) entries.add(_StatEntry('STR', '+${stats.strBonus}'));
+    if (stats.conBonus > 0) entries.add(_StatEntry('CON', '+${stats.conBonus}'));
+    if (stats.dexBonus > 0) entries.add(_StatEntry('DEX', '+${stats.dexBonus}'));
+    if (stats.intBonus > 0) entries.add(_StatEntry('INT', '+${stats.intBonus}'));
+    if (stats.wisBonus > 0) entries.add(_StatEntry('WIS', '+${stats.wisBonus}'));
+    if (stats.chaBonus > 0) entries.add(_StatEntry('CHA', '+${stats.chaBonus}'));
+
+    // 무기 공속
+    if (slot == EquipmentSlot.weapon && stats.attackSpeed > 0) {
+      entries.add(_StatEntry('SPEED', '${stats.attackSpeed}ms'));
+    }
+
+    if (entries.isEmpty) {
+      return const Text(
+        'No bonus stats',
+        style: TextStyle(fontSize: 10, color: Colors.grey),
+      );
+    }
+
+    return Wrap(
+      spacing: 8,
+      runSpacing: 4,
+      children: entries.map((e) => _StatChip(entry: e)).toList(),
+    );
+  }
+}
+
+/// 스탯 엔트리
+class _StatEntry {
+  const _StatEntry(this.label, this.value);
+  final String label;
+  final String value;
+}
+
+/// 스탯 칩
+class _StatChip extends StatelessWidget {
+  const _StatChip({required this.entry});
+
+  final _StatEntry entry;
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 2),
+      decoration: BoxDecoration(
+        color: Colors.grey.shade200,
+        borderRadius: BorderRadius.circular(4),
+      ),
+      child: Row(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Text(
+            '${entry.label}: ',
+            style: TextStyle(fontSize: 9, color: Colors.grey.shade600),
+          ),
+          Text(
+            entry.value,
+            style: const TextStyle(fontSize: 9, fontWeight: FontWeight.bold),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+/// 아이템 메타 정보 행
+class _ItemMetaRow extends StatelessWidget {
+  const _ItemMetaRow({required this.item});
+
+  final EquipmentItem item;
+
+  @override
+  Widget build(BuildContext context) {
+    final rarityName = item.rarity.name.toUpperCase();
+
+    return Row(
+      children: [
+        Text(
+          'Lv.${item.level}',
+          style: const TextStyle(fontSize: 9, color: Colors.grey),
+        ),
+        const SizedBox(width: 8),
+        Text(
+          rarityName,
+          style: TextStyle(
+            fontSize: 9,
+            color: _getRarityColor(item.rarity),
+            fontWeight: FontWeight.bold,
+          ),
+        ),
+        const SizedBox(width: 8),
+        Text(
+          'Wt.${item.weight}',
+          style: const TextStyle(fontSize: 9, color: Colors.grey),
+        ),
+      ],
+    );
+  }
+
+  Color _getRarityColor(ItemRarity rarity) {
+    return switch (rarity) {
+      ItemRarity.common => Colors.grey,
+      ItemRarity.uncommon => Colors.green,
+      ItemRarity.rare => Colors.blue,
+      ItemRarity.epic => Colors.purple,
+      ItemRarity.legendary => Colors.orange,
+    };
+  }
+}
+
+/// 슬롯 이름 반환
+String _getSlotName(EquipmentSlot slot) {
+  return switch (slot) {
+    EquipmentSlot.weapon => 'Weapon',
+    EquipmentSlot.shield => 'Shield',
+    EquipmentSlot.helm => 'Helm',
+    EquipmentSlot.hauberk => 'Hauberk',
+    EquipmentSlot.brassairts => 'Brassairts',
+    EquipmentSlot.vambraces => 'Vambraces',
+    EquipmentSlot.gauntlets => 'Gauntlets',
+    EquipmentSlot.gambeson => 'Gambeson',
+    EquipmentSlot.cuisses => 'Cuisses',
+    EquipmentSlot.greaves => 'Greaves',
+    EquipmentSlot.sollerets => 'Sollerets',
+  };
+}
--- a/lib/src/features/game/widgets/potion_inventory_panel.dart
+++ b/lib/src/features/game/widgets/potion_inventory_panel.dart
@@ -0,0 +1,238 @@
+import 'package:flutter/material.dart';
+
+import 'package:askiineverdie/data/potion_data.dart';
+import 'package:askiineverdie/src/core/model/potion.dart';
+
+/// 물약 인벤토리 패널
+///
+/// 보유 중인 물약 목록과 수량을 표시.
+/// HP 물약은 빨간색, MP 물약은 파란색으로 구분.
+class PotionInventoryPanel extends StatelessWidget {
+  const PotionInventoryPanel({
+    super.key,
+    required this.inventory,
+    this.usedInBattle = const {},
+  });
+
+  final PotionInventory inventory;
+  final Set<PotionType> usedInBattle;
+
+  @override
+  Widget build(BuildContext context) {
+    final potionEntries = _buildPotionEntries();
+
+    if (potionEntries.isEmpty) {
+      return const Center(
+        child: Text(
+          'No potions',
+          style: TextStyle(
+            fontSize: 11,
+            color: Colors.grey,
+            fontStyle: FontStyle.italic,
+          ),
+        ),
+      );
+    }
+
+    return ListView.builder(
+      itemCount: potionEntries.length,
+      padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
+      itemBuilder: (context, index) {
+        final entry = potionEntries[index];
+        return _PotionRow(
+          potion: entry.potion,
+          quantity: entry.quantity,
+          isUsedThisBattle: usedInBattle.contains(entry.potion.type),
+        );
+      },
+    );
+  }
+
+  /// 물약 엔트리 목록 생성
+  ///
+  /// HP 물약 먼저, MP 물약 나중에 정렬
+  List<_PotionEntry> _buildPotionEntries() {
+    final entries = <_PotionEntry>[];
+
+    for (final potionId in inventory.potions.keys) {
+      final quantity = inventory.potions[potionId] ?? 0;
+      if (quantity <= 0) continue;
+
+      final potion = PotionData.getById(potionId);
+      if (potion == null) continue;
+
+      entries.add(_PotionEntry(potion: potion, quantity: quantity));
+    }
+
+    // HP 물약 우선, 같은 타입 내에서는 티어순
+    entries.sort((a, b) {
+      final typeCompare = a.potion.type.index.compareTo(b.potion.type.index);
+      if (typeCompare != 0) return typeCompare;
+      return a.potion.tier.compareTo(b.potion.tier);
+    });
+
+    return entries;
+  }
+}
+
+/// 물약 엔트리
+class _PotionEntry {
+  const _PotionEntry({required this.potion, required this.quantity});
+  final Potion potion;
+  final int quantity;
+}
+
+/// 물약 행 위젯
+class _PotionRow extends StatelessWidget {
+  const _PotionRow({
+    required this.potion,
+    required this.quantity,
+    this.isUsedThisBattle = false,
+  });
+
+  final Potion potion;
+  final int quantity;
+  final bool isUsedThisBattle;
+
+  @override
+  Widget build(BuildContext context) {
+    final color = _getPotionColor();
+    final opacity = isUsedThisBattle ? 0.5 : 1.0;
+
+    return Padding(
+      padding: const EdgeInsets.symmetric(vertical: 2),
+      child: Opacity(
+        opacity: opacity,
+        child: Row(
+          children: [
+            // 물약 아이콘
+            _PotionIcon(type: potion.type, tier: potion.tier),
+            const SizedBox(width: 4),
+
+            // 물약 이름
+            Expanded(
+              child: Text(
+                potion.name,
+                style: TextStyle(
+                  fontSize: 11,
+                  color: color,
+                  fontWeight: FontWeight.w500,
+                ),
+                overflow: TextOverflow.ellipsis,
+              ),
+            ),
+
+            // 회복량 표시
+            _HealBadge(potion: potion),
+            const SizedBox(width: 4),
+
+            // 수량
+            Container(
+              padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
+              decoration: BoxDecoration(
+                color: color.withValues(alpha: 0.2),
+                borderRadius: BorderRadius.circular(8),
+              ),
+              child: Text(
+                'x$quantity',
+                style: TextStyle(
+                  fontSize: 10,
+                  fontWeight: FontWeight.bold,
+                  color: color,
+                ),
+              ),
+            ),
+
+            // 전투 중 사용 불가 표시
+            if (isUsedThisBattle) ...[
+              const SizedBox(width: 4),
+              const Icon(
+                Icons.block,
+                size: 12,
+                color: Colors.grey,
+              ),
+            ],
+          ],
+        ),
+      ),
+    );
+  }
+
+  Color _getPotionColor() {
+    return switch (potion.type) {
+      PotionType.hp => Colors.red.shade700,
+      PotionType.mp => Colors.blue.shade700,
+    };
+  }
+}
+
+/// 물약 아이콘
+class _PotionIcon extends StatelessWidget {
+  const _PotionIcon({required this.type, required this.tier});
+
+  final PotionType type;
+  final int tier;
+
+  @override
+  Widget build(BuildContext context) {
+    final color = type == PotionType.hp
+        ? Colors.red.shade400
+        : Colors.blue.shade400;
+
+    // 티어에 따른 아이콘 크기 조절
+    final size = 12.0 + tier * 1.0;
+
+    return Container(
+      width: 18,
+      height: 18,
+      alignment: Alignment.center,
+      child: Icon(
+        type == PotionType.hp ? Icons.favorite : Icons.bolt,
+        size: size.clamp(12, 18),
+        color: color,
+      ),
+    );
+  }
+}
+
+/// 회복량 배지
+class _HealBadge extends StatelessWidget {
+  const _HealBadge({required this.potion});
+
+  final Potion potion;
+
+  @override
+  Widget build(BuildContext context) {
+    final healText = _buildHealText();
+
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 1),
+      decoration: BoxDecoration(
+        color: Colors.grey.shade200,
+        borderRadius: BorderRadius.circular(4),
+      ),
+      child: Text(
+        healText,
+        style: TextStyle(
+          fontSize: 9,
+          color: Colors.grey.shade700,
+        ),
+      ),
+    );
+  }
+
+  String _buildHealText() {
+    final parts = <String>[];
+
+    if (potion.healAmount > 0) {
+      parts.add('+${potion.healAmount}');
+    }
+
+    if (potion.healPercent > 0) {
+      final percent = (potion.healPercent * 100).round();
+      parts.add('+$percent%');
+    }
+
+    return parts.join(' ');
+  }
+}
--- a/lib/src/features/game/widgets/skill_panel.dart
+++ b/lib/src/features/game/widgets/skill_panel.dart
@@ -148,25 +148,58 @@ class _SkillRow extends StatelessWidget {

    final skillIcon = _getSkillIcon(skill.type);
    final skillColor = _getSkillColor(skill.type);
+    final elementColor = _getElementColor(skill.element);
+    final elementIcon = _getElementIcon(skill.element);

    Widget row = Container(
      padding: const EdgeInsets.symmetric(vertical: 2),
      child: Row(
        children: [
-          // 스킬 아이콘
+          // 스킬 타입 아이콘
          Icon(skillIcon, size: 14, color: skillColor),
+
+          // 속성 아이콘 (있는 경우)
+          if (skill.element != null) ...[
+            const SizedBox(width: 2),
+            _ElementBadge(
+              icon: elementIcon,
+              color: elementColor,
+              isDot: skill.isDot,
+            ),
+          ],
+
          const SizedBox(width: 4),
-          // 스킬 이름
+
+          // 스킬 이름 (속성 색상 적용)
          Expanded(
            child: Text(
              skill.name,
              style: TextStyle(
                fontSize: 10,
-                color: isReady ? Colors.white : Colors.grey,
+                color: isReady
+                    ? (skill.element != null ? elementColor : Colors.white)
+                    : Colors.grey,
              ),
              overflow: TextOverflow.ellipsis,
            ),
          ),
+
+          // DOT 표시
+          if (skill.isDot) ...[
+            Container(
+              padding: const EdgeInsets.symmetric(horizontal: 3, vertical: 1),
+              decoration: BoxDecoration(
+                color: elementColor.withValues(alpha: 0.3),
+                borderRadius: BorderRadius.circular(3),
+              ),
+              child: const Text(
+                'DOT',
+                style: TextStyle(fontSize: 7, color: Colors.white70),
+              ),
+            ),
+            const SizedBox(width: 4),
+          ],
+
          // 랭크
          Text(
            'Lv.$rank',
@@ -241,4 +274,69 @@ class _SkillRow extends StatelessWidget {
        return Colors.purple;
    }
  }
+
+  /// 속성별 색상
+  Color _getElementColor(SkillElement? element) {
+    if (element == null) return Colors.grey;
+
+    return switch (element) {
+      SkillElement.logic => Colors.cyan,
+      SkillElement.memory => Colors.purple.shade300,
+      SkillElement.network => Colors.teal,
+      SkillElement.fire => Colors.orange,
+      SkillElement.ice => Colors.lightBlue.shade200,
+      SkillElement.lightning => Colors.yellow.shade600,
+      SkillElement.voidElement => Colors.deepPurple,
+      SkillElement.chaos => Colors.pink,
+    };
+  }
+
+  /// 속성별 아이콘
+  IconData _getElementIcon(SkillElement? element) {
+    if (element == null) return Icons.circle;
+
+    return switch (element) {
+      SkillElement.logic => Icons.code,
+      SkillElement.memory => Icons.memory,
+      SkillElement.network => Icons.lan,
+      SkillElement.fire => Icons.local_fire_department,
+      SkillElement.ice => Icons.ac_unit,
+      SkillElement.lightning => Icons.bolt,
+      SkillElement.voidElement => Icons.remove_circle_outline,
+      SkillElement.chaos => Icons.shuffle,
+    };
+  }
+}
+
+/// 속성 배지 위젯
+class _ElementBadge extends StatelessWidget {
+  const _ElementBadge({
+    required this.icon,
+    required this.color,
+    this.isDot = false,
+  });
+
+  final IconData icon;
+  final Color color;
+  final bool isDot;
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      width: 14,
+      height: 14,
+      decoration: BoxDecoration(
+        color: color.withValues(alpha: 0.3),
+        borderRadius: BorderRadius.circular(3),
+        border: isDot
+            ? Border.all(color: color.withValues(alpha: 0.7), width: 1)
+            : null,
+      ),
+      child: Icon(
+        icon,
+        size: 10,
+        color: color,
+      ),
+    );
+  }
 }