diff --git a/lib/src/features/arena/arena_battle_controller.dart b/lib/src/features/arena/arena_battle_controller.dart
new file mode 100644
index 0000000..faff5f6
--- /dev/null
+++ b/lib/src/features/arena/arena_battle_controller.dart
@@ -0,0 +1,403 @@
+import 'dart:async';
+
+import 'package:asciineverdie/src/core/engine/arena_service.dart';
+import 'package:asciineverdie/src/core/model/arena_match.dart';
+import 'package:asciineverdie/src/core/model/combat_event.dart';
+import 'package:asciineverdie/src/features/game/widgets/combat_log.dart';
+
+/// 아레나 전투 상태 (Arena Battle State)
+///
+/// 컨트롤러가 관리하는 전투 상태 스냅샷
+class ArenaBattleState {
+  ArenaBattleState({
+    required this.currentTurn,
+    required this.challengerHp,
+    required this.challengerHpMax,
+    required this.challengerMp,
+    required this.challengerMpMax,
+    required this.opponentHp,
+    required this.opponentHpMax,
+    required this.opponentMp,
+    required this.opponentMpMax,
+    required this.battleLog,
+    required this.isFinished,
+    this.result,
+    this.latestCombatEvent,
+    this.currentEventIcon,
+    this.currentSkillName,
+    this.challengerHpChange = 0,
+    this.opponentHpChange = 0,
+    this.battleStartTime,
+  });
+
+  final int currentTurn;
+  final int challengerHp;
+  final int challengerHpMax;
+  final int challengerMp;
+  final int challengerMpMax;
+  final int opponentHp;
+  final int opponentHpMax;
+  final int opponentMp;
+  final int opponentMpMax;
+  final List<CombatLogEntry> battleLog;
+  final bool isFinished;
+  final ArenaMatchResult? result;
+  final CombatEvent? latestCombatEvent;
+  final CombatEventType? currentEventIcon;
+  final String? currentSkillName;
+  final int challengerHpChange;
+  final int opponentHpChange;
+  final DateTime? battleStartTime;
+}
+
+/// 아레나 전투 컨트롤러 (Arena Battle Controller)
+///
+/// 전투 시뮬레이션 스트림 구독, 턴 처리, 로그 생성을 담당
+class ArenaBattleController {
+  ArenaBattleController({required this.match});
+
+  final ArenaMatch match;
+  final ArenaService _arenaService = ArenaService();
+
+  // 상태 (State)
+  int _currentTurn = 0;
+  DateTime? _battleStartTime;
+  late int _challengerHp;
+  late int _challengerHpMax;
+  late int _challengerMp;
+  late int _challengerMpMax;
+  late int _opponentHp;
+  late int _opponentHpMax;
+  late int _opponentMp;
+  late int _opponentMpMax;
+  final List<CombatLogEntry> _battleLog = [];
+  ArenaMatchResult? _result;
+  CombatEvent? _latestCombatEvent;
+  CombatEventType? _currentEventIcon;
+  String? _currentSkillName;
+  int _challengerHpChange = 0;
+  int _opponentHpChange = 0;
+  bool _isFinished = false;
+
+  StreamSubscription<ArenaCombatTurn>? _combatSubscription;
+  Timer? _eventIconTimer;
+
+  /// 상태 변경 콜백 (setState 대체)
+  void Function()? onStateChanged;
+
+  /// HP 변화 콜백 (애니메이션 트리거용)
+  /// challenger: true = 도전자, false = 상대
+  void Function(bool challenger)? onHpChanged;
+
+  /// 현재 상태 스냅샷
+  ArenaBattleState get state => ArenaBattleState(
+    currentTurn: _currentTurn,
+    challengerHp: _challengerHp,
+    challengerHpMax: _challengerHpMax,
+    challengerMp: _challengerMp,
+    challengerMpMax: _challengerMpMax,
+    opponentHp: _opponentHp,
+    opponentHpMax: _opponentHpMax,
+    opponentMp: _opponentMp,
+    opponentMpMax: _opponentMpMax,
+    battleLog: _battleLog,
+    isFinished: _isFinished,
+    result: _result,
+    latestCombatEvent: _latestCombatEvent,
+    currentEventIcon: _currentEventIcon,
+    currentSkillName: _currentSkillName,
+    challengerHpChange: _challengerHpChange,
+    opponentHpChange: _opponentHpChange,
+    battleStartTime: _battleStartTime,
+  );
+
+  /// HP/MP 초기화
+  void initialize() {
+    _challengerHpMax = match.challenger.finalStats?.hpMax ?? 100;
+    _challengerHp = _challengerHpMax;
+    _challengerMpMax = match.challenger.finalStats?.mpMax ?? 50;
+    _challengerMp = _challengerMpMax;
+    _opponentHpMax = match.opponent.finalStats?.hpMax ?? 100;
+    _opponentHp = _opponentHpMax;
+    _opponentMpMax = match.opponent.finalStats?.mpMax ?? 50;
+    _opponentMp = _opponentMpMax;
+  }
+
+  /// 전투 시작
+  void startBattle() {
+    _battleStartTime = DateTime.now();
+    _combatSubscription = _arenaService
+        .simulateCombat(match)
+        .listen(_processTurn, onDone: _endBattle);
+  }
+
+  /// 턴 처리 (Turn Processing)
+  void _processTurn(ArenaCombatTurn turn) {
+    final oldChallengerHp = _challengerHp;
+    final oldOpponentHp = _opponentHp;
+
+    _currentTurn++;
+    _challengerHp = turn.challengerHp;
+    _opponentHp = turn.opponentHp;
+    _challengerMp = turn.challengerMp ?? _challengerMp;
+    _opponentMp = turn.opponentMp ?? _opponentMp;
+
+    // 도전자 HP 변화 감지
+    if (oldChallengerHp != _challengerHp) {
+      _challengerHpChange = _challengerHp - oldChallengerHp;
+      onHpChanged?.call(true);
+    }
+
+    // 상대 HP 변화 감지
+    if (oldOpponentHp != _opponentHp) {
+      _opponentHpChange = _opponentHp - oldOpponentHp;
+      onHpChanged?.call(false);
+    }
+
+    // 전투 로그 생성
+    _addTurnLogs(turn);
+
+    // 전투 이벤트 생성 (테두리 이펙트용)
+    _latestCombatEvent = _createCombatEvent(turn);
+
+    // 전투 이벤트 아이콘 표시
+    _showEventIcon(turn);
+
+    onStateChanged?.call();
+  }
+
+  /// 턴 로그 생성 (Turn Log Generation)
+  void _addTurnLogs(ArenaCombatTurn turn) {
+    final challengerName = match.challenger.characterName;
+    final opponentName = match.opponent.characterName;
+
+    // 도전자 스킬 사용 로그
+    if (turn.challengerSkillUsed != null) {
+      _battleLog.add(
+        CombatLogEntry(
+          message: '$challengerName uses ${turn.challengerSkillUsed}!',
+          timestamp: DateTime.now(),
+          type: CombatLogType.skill,
+        ),
+      );
+    }
+
+    // 도전자 회복 로그
+    if (turn.challengerHealAmount != null && turn.challengerHealAmount! > 0) {
+      _battleLog.add(
+        CombatLogEntry(
+          message: '$challengerName heals ${turn.challengerHealAmount} HP!',
+          timestamp: DateTime.now(),
+          type: CombatLogType.heal,
+        ),
+      );
+    }
+
+    // 도전자 데미지 로그
+    if (turn.challengerDamage != null) {
+      final type = turn.isChallengerCritical
+          ? CombatLogType.critical
+          : CombatLogType.damage;
+      final critText = turn.isChallengerCritical ? ' CRITICAL!' : '';
+      final skillText = turn.challengerSkillUsed != null ? '' : '';
+      _battleLog.add(
+        CombatLogEntry(
+          message:
+              '$challengerName deals ${turn.challengerDamage}'
+              '$critText$skillText',
+          timestamp: DateTime.now(),
+          type: type,
+        ),
+      );
+    }
+
+    // 상대 회피/블록 이벤트
+    if (turn.isOpponentEvaded) {
+      _battleLog.add(
+        CombatLogEntry(
+          message: '$opponentName evaded!',
+          timestamp: DateTime.now(),
+          type: CombatLogType.evade,
+        ),
+      );
+    }
+    if (turn.isOpponentBlocked) {
+      _battleLog.add(
+        CombatLogEntry(
+          message: '$opponentName blocked!',
+          timestamp: DateTime.now(),
+          type: CombatLogType.block,
+        ),
+      );
+    }
+
+    // 상대 스킬 사용 로그
+    if (turn.opponentSkillUsed != null) {
+      _battleLog.add(
+        CombatLogEntry(
+          message: '$opponentName uses ${turn.opponentSkillUsed}!',
+          timestamp: DateTime.now(),
+          type: CombatLogType.skill,
+        ),
+      );
+    }
+
+    // 상대 회복 로그
+    if (turn.opponentHealAmount != null && turn.opponentHealAmount! > 0) {
+      _battleLog.add(
+        CombatLogEntry(
+          message: '$opponentName heals ${turn.opponentHealAmount} HP!',
+          timestamp: DateTime.now(),
+          type: CombatLogType.heal,
+        ),
+      );
+    }
+
+    // 상대 데미지 로그
+    if (turn.opponentDamage != null) {
+      final type = turn.isOpponentCritical
+          ? CombatLogType.critical
+          : CombatLogType.monsterAttack;
+      final critText = turn.isOpponentCritical ? ' CRITICAL!' : '';
+      _battleLog.add(
+        CombatLogEntry(
+          message: '$opponentName deals ${turn.opponentDamage}$critText',
+          timestamp: DateTime.now(),
+          type: type,
+        ),
+      );
+    }
+
+    // 도전자 회피/블록 이벤트
+    if (turn.isChallengerEvaded) {
+      _battleLog.add(
+        CombatLogEntry(
+          message: '$challengerName evaded!',
+          timestamp: DateTime.now(),
+          type: CombatLogType.evade,
+        ),
+      );
+    }
+    if (turn.isChallengerBlocked) {
+      _battleLog.add(
+        CombatLogEntry(
+          message: '$challengerName blocked!',
+          timestamp: DateTime.now(),
+          type: CombatLogType.block,
+        ),
+      );
+    }
+  }
+
+  /// 전투 이벤트 아이콘 표시 (일정 시간 후 사라짐)
+  void _showEventIcon(ArenaCombatTurn turn) {
+    _eventIconTimer?.cancel();
+
+    _currentSkillName = turn.challengerSkillUsed ?? turn.opponentSkillUsed;
+
+    // 이벤트 타입 결정 (우선순위: 스킬 > 크리티컬 > 블록 > 회피 > 일반공격)
+    CombatEventType? eventType;
+    if (_currentSkillName != null) {
+      eventType = CombatEventType.playerSkill;
+    } else if (turn.isChallengerCritical || turn.isOpponentCritical) {
+      eventType = CombatEventType.playerAttack;
+    } else if (turn.isChallengerBlocked || turn.isOpponentBlocked) {
+      eventType = CombatEventType.playerBlock;
+    } else if (turn.isChallengerEvaded || turn.isOpponentEvaded) {
+      eventType = CombatEventType.playerEvade;
+    } else if (turn.challengerDamage != null || turn.opponentDamage != null) {
+      eventType = CombatEventType.playerAttack;
+    }
+
+    _currentEventIcon = eventType;
+
+    // 800ms 후 아이콘 숨김
+    _eventIconTimer = Timer(const Duration(milliseconds: 800), () {
+      _currentEventIcon = null;
+      _currentSkillName = null;
+      onStateChanged?.call();
+    });
+  }
+
+  /// ArenaCombatTurn에서 CombatEvent 생성 (테두리 이펙트용)
+  CombatEvent? _createCombatEvent(ArenaCombatTurn turn) {
+    final timestamp = DateTime.now().millisecondsSinceEpoch;
+    final challengerName = match.challenger.characterName;
+    final opponentName = match.opponent.characterName;
+
+    // 도전자 스킬 사용 (보라색 테두리)
+    if (turn.challengerSkillUsed != null && turn.challengerDamage != null) {
+      return CombatEvent.playerSkill(
+        timestamp: timestamp,
+        skillName: turn.challengerSkillUsed!,
+        damage: turn.challengerDamage!,
+        targetName: opponentName,
+        isCritical: turn.isChallengerCritical,
+      );
+    }
+
+    // 도전자 공격 이벤트
+    if (turn.challengerDamage != null) {
+      return CombatEvent.playerAttack(
+        timestamp: timestamp,
+        damage: turn.challengerDamage!,
+        targetName: opponentName,
+        isCritical: turn.isChallengerCritical,
+      );
+    }
+
+    // 도전자 회복 이벤트
+    if (turn.challengerHealAmount != null && turn.challengerSkillUsed != null) {
+      return CombatEvent.playerHeal(
+        timestamp: timestamp,
+        healAmount: turn.challengerHealAmount!,
+        skillName: turn.challengerSkillUsed,
+      );
+    }
+
+    // 도전자 방어 이벤트 (회피/블록)
+    if (turn.isChallengerEvaded) {
+      return CombatEvent.playerEvade(
+        timestamp: timestamp,
+        attackerName: opponentName,
+      );
+    }
+    if (turn.isChallengerBlocked) {
+      return CombatEvent.playerBlock(
+        timestamp: timestamp,
+        reducedDamage: turn.opponentDamage ?? 0,
+        attackerName: opponentName,
+      );
+    }
+
+    // 상대 공격 이벤트
+    if (turn.opponentDamage != null) {
+      return CombatEvent.monsterAttack(
+        timestamp: timestamp,
+        damage: turn.opponentDamage!,
+        attackerName: challengerName,
+      );
+    }
+
+    return null;
+  }
+
+  /// 전투 종료 처리
+  void _endBattle() {
+    _result = _arenaService.createResultFromSimulation(
+      match: match,
+      challengerHp: _challengerHp,
+      opponentHp: _opponentHp,
+      turns: _currentTurn,
+    );
+
+    _isFinished = true;
+    onStateChanged?.call();
+  }
+
+  /// 리소스 해제
+  void dispose() {
+    _combatSubscription?.cancel();
+    _eventIconTimer?.cancel();
+  }
+}
diff --git a/lib/src/features/arena/arena_battle_screen.dart b/lib/src/features/arena/arena_battle_screen.dart
index 8e257dd..cc16cd1 100644
--- a/lib/src/features/arena/arena_battle_screen.dart
+++ b/lib/src/features/arena/arena_battle_screen.dart
@@ -1,23 +1,17 @@
-import 'dart:async';
-
 import 'package:flutter/material.dart';
 
 import 'package:asciineverdie/l10n/app_localizations.dart';
-import 'package:asciineverdie/src/core/engine/arena_service.dart';
 import 'package:asciineverdie/src/core/model/arena_match.dart';
-import 'package:asciineverdie/src/core/model/combat_event.dart';
-import 'package:asciineverdie/src/core/model/game_state.dart';
-import 'package:asciineverdie/src/core/model/hall_of_fame.dart';
-import 'package:asciineverdie/src/shared/animation/race_character_frames.dart';
+import 'package:asciineverdie/src/features/arena/arena_battle_controller.dart';
+import 'package:asciineverdie/src/features/arena/widgets/arena_battle_area.dart';
+import 'package:asciineverdie/src/features/arena/widgets/arena_combat_event_icons.dart';
 import 'package:asciineverdie/src/features/arena/widgets/arena_combat_log.dart';
 import 'package:asciineverdie/src/features/arena/widgets/arena_hp_bar.dart';
 import 'package:asciineverdie/src/features/arena/widgets/arena_result_panel.dart';
-import 'package:asciineverdie/src/shared/widgets/ascii_disintegrate_widget.dart';
-import 'package:asciineverdie/src/features/game/widgets/ascii_animation_card.dart';
-import 'package:asciineverdie/src/features/game/widgets/combat_log.dart';
+import 'package:asciineverdie/src/features/arena/widgets/arena_turn_indicator.dart';
 import 'package:asciineverdie/src/shared/retro_colors.dart';
 
-/// 아레나 전투 화면
+/// 아레나 전투 화면 (Arena Battle Screen)
 ///
 /// ASCII 애니메이션 기반 턴제 전투 표시
 /// 레트로 RPG 스타일 HP 바 (세그먼트)
@@ -40,73 +34,25 @@ class ArenaBattleScreen extends StatefulWidget {
 
 class _ArenaBattleScreenState extends State<ArenaBattleScreen>
     with TickerProviderStateMixin {
-  final ArenaService _arenaService = ArenaService();
+  late final ArenaBattleController _controller;
 
-  /// 현재 턴
-  int _currentTurn = 0;
-
-  /// 전투 시작 시간 (경과 시간 계산용)
-  DateTime? _battleStartTime;
-
-  /// 도전자 HP/MP
-  late int _challengerHp;
-  late int _challengerHpMax;
-  late int _challengerMp;
-  late int _challengerMpMax;
-
-  /// 상대 HP/MP
-  late int _opponentHp;
-  late int _opponentHpMax;
-  late int _opponentMp;
-  late int _opponentMpMax;
-
-  /// 전투 로그 (CombatLogEntry 사용)
-  final List<CombatLogEntry> _battleLog = [];
-
-  /// 전투 시뮬레이션 스트림 구독
-  StreamSubscription<ArenaCombatTurn>? _combatSubscription;
-
-  /// 최종 결과
-  ArenaMatchResult? _result;
-
-  // HP 변화 애니메이션
+  // HP 변화 애니메이션 (Animation)
   late AnimationController _challengerFlashController;
   late AnimationController _opponentFlashController;
   late Animation<double> _challengerFlashAnimation;
   late Animation<double> _opponentFlashAnimation;
 
-  // 변화량 표시용
-  int _challengerHpChange = 0;
-  int _opponentHpChange = 0;
-
-  /// 최신 전투 이벤트 (테두리 이펙트용)
-  CombatEvent? _latestCombatEvent;
-
-  /// 전투 이벤트 아이콘 타이머 (페이드 아웃용)
-  Timer? _eventIconTimer;
-
-  /// 현재 표시 중인 이벤트 아이콘 타입
-  CombatEventType? _currentEventIcon;
-
-  /// 현재 표시 중인 스킬 이름
-  String? _currentSkillName;
-
-  /// 전투 종료 여부 (결과 패널 표시용)
-  bool _isFinished = false;
-
   @override
   void initState() {
     super.initState();
 
-    // HP/MP 초기화
-    _challengerHpMax = widget.match.challenger.finalStats?.hpMax ?? 100;
-    _challengerHp = _challengerHpMax;
-    _challengerMpMax = widget.match.challenger.finalStats?.mpMax ?? 50;
-    _challengerMp = _challengerMpMax;
-    _opponentHpMax = widget.match.opponent.finalStats?.hpMax ?? 100;
-    _opponentHp = _opponentHpMax;
-    _opponentMpMax = widget.match.opponent.finalStats?.mpMax ?? 50;
-    _opponentMp = _opponentMpMax;
+    // 컨트롤러 초기화
+    _controller = ArenaBattleController(match: widget.match);
+    _controller.initialize();
+    _controller.onStateChanged = () {
+      if (mounted) setState(() {});
+    };
+    _controller.onHpChanged = _handleHpChanged;
 
     // 플래시 애니메이션 초기화
     _challengerFlashController = AnimationController(
@@ -129,309 +75,38 @@ class _ArenaBattleScreenState extends State<ArenaBattleScreen>
     );
 
     // 전투 시작 (딜레이 후)
-    Future.delayed(const Duration(milliseconds: 500), _startBattle);
+    Future.delayed(const Duration(milliseconds: 500), _controller.startBattle);
   }
 
   @override
   void dispose() {
-    _combatSubscription?.cancel();
-    _eventIconTimer?.cancel();
+    _controller.dispose();
     _challengerFlashController.dispose();
     _opponentFlashController.dispose();
     super.dispose();
   }
 
-  void _startBattle() {
-    _battleStartTime = DateTime.now();
-    _combatSubscription = _arenaService
-        .simulateCombat(widget.match)
-        .listen(
-          (turn) {
-            _processTurn(turn);
-          },
-          onDone: () {
-            _endBattle();
-          },
-        );
-  }
-
-  void _processTurn(ArenaCombatTurn turn) {
-    final oldChallengerHp = _challengerHp;
-    final oldOpponentHp = _opponentHp;
-
-    setState(() {
-      _currentTurn++;
-      _challengerHp = turn.challengerHp;
-      _opponentHp = turn.opponentHp;
-      _challengerMp = turn.challengerMp ?? _challengerMp;
-      _opponentMp = turn.opponentMp ?? _opponentMp;
-
-      // 도전자 HP 변화 감지
-      if (oldChallengerHp != _challengerHp) {
-        _challengerHpChange = _challengerHp - oldChallengerHp;
-        _challengerFlashController.forward(from: 0.0);
-      }
-
-      // 상대 HP 변화 감지
-      if (oldOpponentHp != _opponentHp) {
-        _opponentHpChange = _opponentHp - oldOpponentHp;
-        _opponentFlashController.forward(from: 0.0);
-      }
-
-      // 도전자 스킬 사용 로그
-      if (turn.challengerSkillUsed != null) {
-        _battleLog.add(
-          CombatLogEntry(
-            message:
-                '${widget.match.challenger.characterName} uses '
-                '${turn.challengerSkillUsed}!',
-            timestamp: DateTime.now(),
-            type: CombatLogType.skill,
-          ),
-        );
-      }
-
-      // 도전자 회복 로그
-      if (turn.challengerHealAmount != null && turn.challengerHealAmount! > 0) {
-        _battleLog.add(
-          CombatLogEntry(
-            message:
-                '${widget.match.challenger.characterName} heals '
-                '${turn.challengerHealAmount} HP!',
-            timestamp: DateTime.now(),
-            type: CombatLogType.heal,
-          ),
-        );
-      }
-
-      // 로그 추가 (CombatLogEntry 사용)
-      if (turn.challengerDamage != null) {
-        final type = turn.isChallengerCritical
-            ? CombatLogType.critical
-            : CombatLogType.damage;
-        final critText = turn.isChallengerCritical ? ' CRITICAL!' : '';
-        final skillText = turn.challengerSkillUsed != null ? '' : '';
-        _battleLog.add(
-          CombatLogEntry(
-            message:
-                '${widget.match.challenger.characterName} deals '
-                '${turn.challengerDamage}$critText$skillText',
-            timestamp: DateTime.now(),
-            type: type,
-          ),
-        );
-      }
-
-      // 상대 회피/블록 이벤트
-      if (turn.isOpponentEvaded) {
-        _battleLog.add(
-          CombatLogEntry(
-            message: '${widget.match.opponent.characterName} evaded!',
-            timestamp: DateTime.now(),
-            type: CombatLogType.evade,
-          ),
-        );
-      }
-      if (turn.isOpponentBlocked) {
-        _battleLog.add(
-          CombatLogEntry(
-            message: '${widget.match.opponent.characterName} blocked!',
-            timestamp: DateTime.now(),
-            type: CombatLogType.block,
-          ),
-        );
-      }
-
-      // 상대 스킬 사용 로그
-      if (turn.opponentSkillUsed != null) {
-        _battleLog.add(
-          CombatLogEntry(
-            message:
-                '${widget.match.opponent.characterName} uses '
-                '${turn.opponentSkillUsed}!',
-            timestamp: DateTime.now(),
-            type: CombatLogType.skill,
-          ),
-        );
-      }
-
-      // 상대 회복 로그
-      if (turn.opponentHealAmount != null && turn.opponentHealAmount! > 0) {
-        _battleLog.add(
-          CombatLogEntry(
-            message:
-                '${widget.match.opponent.characterName} heals '
-                '${turn.opponentHealAmount} HP!',
-            timestamp: DateTime.now(),
-            type: CombatLogType.heal,
-          ),
-        );
-      }
-
-      if (turn.opponentDamage != null) {
-        final type = turn.isOpponentCritical
-            ? CombatLogType.critical
-            : CombatLogType.monsterAttack;
-        final critText = turn.isOpponentCritical ? ' CRITICAL!' : '';
-        _battleLog.add(
-          CombatLogEntry(
-            message:
-                '${widget.match.opponent.characterName} deals '
-                '${turn.opponentDamage}$critText',
-            timestamp: DateTime.now(),
-            type: type,
-          ),
-        );
-      }
-
-      // 도전자 회피/블록 이벤트
-      if (turn.isChallengerEvaded) {
-        _battleLog.add(
-          CombatLogEntry(
-            message: '${widget.match.challenger.characterName} evaded!',
-            timestamp: DateTime.now(),
-            type: CombatLogType.evade,
-          ),
-        );
-      }
-      if (turn.isChallengerBlocked) {
-        _battleLog.add(
-          CombatLogEntry(
-            message: '${widget.match.challenger.characterName} blocked!',
-            timestamp: DateTime.now(),
-            type: CombatLogType.block,
-          ),
-        );
-      }
-
-      // 전투 이벤트 생성 (테두리 이펙트용)
-      _latestCombatEvent = _createCombatEvent(turn);
-
-      // 전투 이벤트 아이콘 표시
-      _showEventIcon(turn);
-    });
-  }
-
-  /// 전투 이벤트 아이콘 표시 (일정 시간 후 사라짐)
-  void _showEventIcon(ArenaCombatTurn turn) {
-    // 이전 타이머 취소
-    _eventIconTimer?.cancel();
-
-    // 스킬 이름 저장
-    _currentSkillName = turn.challengerSkillUsed ?? turn.opponentSkillUsed;
-
-    // 이벤트 타입 결정 (우선순위: 스킬 > 크리티컬 > 블록 > 회피 > 일반공격)
-    CombatEventType? eventType;
-    if (_currentSkillName != null) {
-      eventType = CombatEventType.playerSkill;
-    } else if (turn.isChallengerCritical || turn.isOpponentCritical) {
-      eventType = CombatEventType.playerAttack; // 크리티컬 표시용
-    } else if (turn.isChallengerBlocked || turn.isOpponentBlocked) {
-      eventType = CombatEventType.playerBlock;
-    } else if (turn.isChallengerEvaded || turn.isOpponentEvaded) {
-      eventType = CombatEventType.playerEvade;
-    } else if (turn.challengerDamage != null || turn.opponentDamage != null) {
-      eventType = CombatEventType.playerAttack;
+  /// HP 변화 시 플래시 애니메이션 트리거
+  void _handleHpChanged(bool isChallenger) {
+    if (isChallenger) {
+      _challengerFlashController.forward(from: 0.0);
+    } else {
+      _opponentFlashController.forward(from: 0.0);
     }
-
-    _currentEventIcon = eventType;
-
-    // 1초 후 아이콘 숨김
-    _eventIconTimer = Timer(const Duration(milliseconds: 800), () {
-      if (mounted) {
-        setState(() {
-          _currentEventIcon = null;
-          _currentSkillName = null;
-        });
-      }
-    });
-  }
-
-  /// ArenaCombatTurn에서 CombatEvent 생성 (테두리 이펙트용)
-  CombatEvent? _createCombatEvent(ArenaCombatTurn turn) {
-    final timestamp = DateTime.now().millisecondsSinceEpoch;
-
-    // 도전자 스킬 사용 (보라색 테두리)
-    if (turn.challengerSkillUsed != null && turn.challengerDamage != null) {
-      return CombatEvent.playerSkill(
-        timestamp: timestamp,
-        skillName: turn.challengerSkillUsed!,
-        damage: turn.challengerDamage!,
-        targetName: widget.match.opponent.characterName,
-        isCritical: turn.isChallengerCritical,
-      );
-    }
-
-    // 도전자 공격 이벤트 (우선순위: 크리티컬 > 일반 공격)
-    if (turn.challengerDamage != null) {
-      return CombatEvent.playerAttack(
-        timestamp: timestamp,
-        damage: turn.challengerDamage!,
-        targetName: widget.match.opponent.characterName,
-        isCritical: turn.isChallengerCritical,
-      );
-    }
-
-    // 도전자 회복 이벤트
-    if (turn.challengerHealAmount != null && turn.challengerSkillUsed != null) {
-      return CombatEvent.playerHeal(
-        timestamp: timestamp,
-        healAmount: turn.challengerHealAmount!,
-        skillName: turn.challengerSkillUsed,
-      );
-    }
-
-    // 도전자 방어 이벤트 (회피/블록)
-    if (turn.isChallengerEvaded) {
-      return CombatEvent.playerEvade(
-        timestamp: timestamp,
-        attackerName: widget.match.opponent.characterName,
-      );
-    }
-    if (turn.isChallengerBlocked) {
-      return CombatEvent.playerBlock(
-        timestamp: timestamp,
-        reducedDamage: turn.opponentDamage ?? 0,
-        attackerName: widget.match.opponent.characterName,
-      );
-    }
-
-    // 상대 공격 이벤트 (몬스터 공격으로 처리)
-    if (turn.opponentDamage != null) {
-      return CombatEvent.monsterAttack(
-        timestamp: timestamp,
-        damage: turn.opponentDamage!,
-        attackerName: widget.match.opponent.characterName,
-      );
-    }
-
-    return null;
-  }
-
-  void _endBattle() {
-    // 시뮬레이션 HP 결과를 기반으로 최종 결과 계산
-    _result = _arenaService.createResultFromSimulation(
-      match: widget.match,
-      challengerHp: _challengerHp,
-      opponentHp: _opponentHp,
-      turns: _currentTurn,
-    );
-
-    // 전투 종료 상태로 전환 (인라인 결과 패널 표시)
-    setState(() {
-      _isFinished = true;
-    });
   }
 
   /// Continue 버튼 콜백
   void _handleContinue() {
-    if (_result != null) {
-      widget.onBattleComplete(_result!);
+    final result = _controller.state.result;
+    if (result != null) {
+      widget.onBattleComplete(result);
     }
   }
 
   @override
   Widget build(BuildContext context) {
+    final s = _controller.state;
+
     return Scaffold(
       backgroundColor: RetroColors.backgroundOf(context),
       appBar: AppBar(
@@ -447,313 +122,56 @@ class _ArenaBattleScreenState extends State<ArenaBattleScreen>
         child: Column(
           children: [
             // 턴 표시
-            _buildTurnIndicator(),
+            ArenaTurnIndicator(battleStartTime: s.battleStartTime),
             // HP 바 (레트로 세그먼트 스타일)
             ArenaHpBars(
               challengerName: widget.match.challenger.characterName,
-              challengerHp: _challengerHp,
-              challengerHpMax: _challengerHpMax,
+              challengerHp: s.challengerHp,
+              challengerHpMax: s.challengerHpMax,
               challengerFlashAnimation: _challengerFlashAnimation,
-              challengerHpChange: _challengerHpChange,
+              challengerHpChange: s.challengerHpChange,
               opponentName: widget.match.opponent.characterName,
-              opponentHp: _opponentHp,
-              opponentHpMax: _opponentHpMax,
+              opponentHp: s.opponentHp,
+              opponentHpMax: s.opponentHpMax,
               opponentFlashAnimation: _opponentFlashAnimation,
-              opponentHpChange: _opponentHpChange,
+              opponentHpChange: s.opponentHpChange,
+            ),
+            // 전투 이벤트 아이콘
+            ArenaCombatEventIcons(
+              currentEventIcon: s.currentEventIcon,
+              currentSkillName: s.currentSkillName,
+              latestCombatEvent: s.latestCombatEvent,
             ),
-            // 전투 이벤트 아이콘 (HP 바와 애니메이션 사이)
-            _buildCombatEventIcons(),
             // ASCII 애니메이션 (전투 중 / 종료 분기)
-            _buildBattleArea(),
+            ArenaBattleArea(
+              match: widget.match,
+              isFinished: s.isFinished,
+              result: s.result,
+              latestCombatEvent: s.latestCombatEvent,
+            ),
             // 로그 영역 (남은 공간 채움)
-            Expanded(child: _buildBattleLog()),
+            Expanded(
+              child: Container(
+                margin: const EdgeInsets.all(12),
+                decoration: BoxDecoration(
+                  color: RetroColors.panelBgOf(context),
+                  borderRadius: BorderRadius.circular(8),
+                  border: Border.all(color: RetroColors.borderOf(context)),
+                ),
+                child: ArenaCombatLog(entries: s.battleLog),
+              ),
+            ),
             // 결과 패널 (전투 종료 시)
-            if (_isFinished && _result != null)
+            if (s.isFinished && s.result != null)
               ArenaResultPanel(
-                result: _result!,
-                turnCount: _currentTurn,
+                result: s.result!,
+                turnCount: s.currentTurn,
                 onContinue: _handleContinue,
-                battleLog: _battleLog,
+                battleLog: s.battleLog,
               ),
           ],
         ),
       ),
     );
   }
-
-  /// 방패 장착 여부 확인
-  bool _hasShield(HallOfFameEntry entry) {
-    final equipment = entry.finalEquipment;
-    if (equipment == null) return false;
-    return equipment.any((item) => item.slot.name == 'shield');
-  }
-
-  /// 전투 영역 (전투 중 / 종료 분기)
-  Widget _buildBattleArea() {
-    if (_isFinished && _result != null) {
-      return _buildFinishedBattleArea();
-    }
-    return _buildActiveBattleArea();
-  }
-
-  /// 활성 전투 영역 (기존 AsciiAnimationCard)
-  Widget _buildActiveBattleArea() {
-    return Padding(
-      padding: const EdgeInsets.symmetric(horizontal: 8),
-      child: SizedBox(
-        height: 120,
-        child: AsciiAnimationCard(
-          taskType: TaskType.kill,
-          raceId: widget.match.challenger.raceId,
-          shieldName: _hasShield(widget.match.challenger) ? 'shield' : null,
-          opponentRaceId: widget.match.opponent.raceId,
-          opponentHasShield: _hasShield(widget.match.opponent),
-          latestCombatEvent: _latestCombatEvent,
-        ),
-      ),
-    );
-  }
-
-  /// 종료된 전투 영역 (승자 유지 + 패자 분해)
-  Widget _buildFinishedBattleArea() {
-    final isVictory = _result!.isVictory;
-    final winnerRaceId = isVictory
-        ? widget.match.challenger.raceId
-        : widget.match.opponent.raceId;
-    final loserRaceId = isVictory
-        ? widget.match.opponent.raceId
-        : widget.match.challenger.raceId;
-
-    // 패자 캐릭터 프레임 (idle 첫 프레임)
-    final loserFrameData =
-        RaceCharacterFrames.get(loserRaceId) ??
-        RaceCharacterFrames.defaultFrames;
-    final loserLines = loserFrameData.idle.first.lines;
-
-    // 승자 캐릭터 프레임 (idle 첫 프레임)
-    final winnerFrameData =
-        RaceCharacterFrames.get(winnerRaceId) ??
-        RaceCharacterFrames.defaultFrames;
-    final winnerLines = winnerFrameData.idle.first.lines;
-
-    return Padding(
-      padding: const EdgeInsets.symmetric(horizontal: 8),
-      child: SizedBox(
-        height: 120,
-        child: Row(
-          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
-          children: [
-            // 좌측: 도전자 (승자면 유지, 패자면 분해)
-            Expanded(
-              child: Center(
-                child: isVictory
-                    ? _buildStaticCharacter(winnerLines, false)
-                    : AsciiDisintegrateWidget(
-                        characterLines: _mirrorLines(loserLines),
-                      ),
-              ),
-            ),
-            // 중앙 VS
-            Text(
-              'VS',
-              style: TextStyle(
-                fontFamily: 'PressStart2P',
-                fontSize: 14,
-                color: RetroColors.goldOf(context).withValues(alpha: 0.5),
-              ),
-            ),
-            // 우측: 상대 (승자면 유지, 패자면 분해)
-            Expanded(
-              child: Center(
-                child: isVictory
-                    ? AsciiDisintegrateWidget(characterLines: loserLines)
-                    : _buildStaticCharacter(_mirrorLines(winnerLines), false),
-              ),
-            ),
-          ],
-        ),
-      ),
-    );
-  }
-
-  /// 정적 ASCII 캐릭터 표시
-  Widget _buildStaticCharacter(List<String> lines, bool mirrored) {
-    final textColor = RetroColors.textPrimaryOf(context);
-    return Column(
-      mainAxisSize: MainAxisSize.min,
-      children: lines
-          .map(
-            (line) => Text(
-              line,
-              style: TextStyle(
-                fontFamily: 'JetBrainsMono',
-                fontSize: 15,
-                color: textColor,
-                height: 1.2,
-              ),
-            ),
-          )
-          .toList(),
-    );
-  }
-
-  /// ASCII 문자열 미러링 (좌우 대칭)
-  List<String> _mirrorLines(List<String> lines) {
-    return lines.map((line) {
-      final chars = line.split('');
-      return chars.reversed.map(_mirrorChar).join();
-    }).toList();
-  }
-
-  /// 개별 문자 미러링
-  String _mirrorChar(String char) {
-    return switch (char) {
-      '/' => r'\',
-      r'\' => '/',
-      '(' => ')',
-      ')' => '(',
-      '[' => ']',
-      ']' => '[',
-      '{' => '}',
-      '}' => '{',
-      '<' => '>',
-      '>' => '<',
-      'd' => 'b',
-      'b' => 'd',
-      'q' => 'p',
-      'p' => 'q',
-      _ => char,
-    };
-  }
-
-  Widget _buildTurnIndicator() {
-    // 경과 시간 계산 (분:초 형식)
-    String elapsedTime = '00:00';
-    if (_battleStartTime != null) {
-      final elapsed = DateTime.now().difference(_battleStartTime!);
-      final minutes = elapsed.inMinutes;
-      final seconds = elapsed.inSeconds % 60;
-      elapsedTime =
-          '${minutes.toString().padLeft(2, '0')}:${seconds.toString().padLeft(2, '0')}';
-    }
-
-    return Container(
-      padding: const EdgeInsets.symmetric(vertical: 8),
-      color: RetroColors.panelBgOf(context).withValues(alpha: 0.5),
-      child: Row(
-        mainAxisAlignment: MainAxisAlignment.center,
-        children: [
-          Icon(Icons.timer, color: RetroColors.goldOf(context), size: 16),
-          const SizedBox(width: 8),
-          Text(
-            elapsedTime,
-            style: TextStyle(
-              fontFamily: 'PressStart2P',
-              fontSize: 14,
-              color: RetroColors.goldOf(context),
-            ),
-          ),
-        ],
-      ),
-    );
-  }
-
-  Widget _buildBattleLog() {
-    return Container(
-      margin: const EdgeInsets.all(12),
-      decoration: BoxDecoration(
-        color: RetroColors.panelBgOf(context),
-        borderRadius: BorderRadius.circular(8),
-        border: Border.all(color: RetroColors.borderOf(context)),
-      ),
-      child: ArenaCombatLog(entries: _battleLog),
-    );
-  }
-
-  /// 전투 이벤트 아이콘 영역 (HP 바와 애니메이션 사이)
-  ///
-  /// 메인 게임의 _buildBuffIcons() 스타일을 따름
-  /// 스킬 사용, 크리티컬, 블록, 회피 표시
-  Widget _buildCombatEventIcons() {
-    // 스킬 사용 또는 특수 액션만 표시
-    final hasSpecialEvent =
-        _currentSkillName != null ||
-        _latestCombatEvent?.isCritical == true ||
-        _currentEventIcon == CombatEventType.playerBlock ||
-        _currentEventIcon == CombatEventType.playerEvade ||
-        _currentEventIcon == CombatEventType.playerParry ||
-        _currentEventIcon == CombatEventType.playerSkill;
-
-    if (!hasSpecialEvent) {
-      return const SizedBox(height: 28);
-    }
-
-    // 이벤트 타입에 따른 아이콘/색상 결정
-    final (icon, color) = _getEventIconData();
-
-    return AnimatedOpacity(
-      opacity: _currentEventIcon != null ? 1.0 : 0.0,
-      duration: const Duration(milliseconds: 200),
-      child: SizedBox(
-        height: 28,
-        child: Row(
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: [
-            // 버프 아이콘 스타일 (CircularProgressIndicator)
-            Stack(
-              alignment: Alignment.center,
-              children: [
-                // 원형 진행률 표시 (펄스 효과용)
-                SizedBox(
-                  width: 24,
-                  height: 24,
-                  child: CircularProgressIndicator(
-                    value: 1.0,
-                    strokeWidth: 2,
-                    backgroundColor: Colors.grey.shade700,
-                    valueColor: AlwaysStoppedAnimation(color),
-                  ),
-                ),
-                // 아이콘
-                Icon(icon, size: 12, color: color),
-              ],
-            ),
-            // 스킬 이름 표시
-            if (_currentSkillName != null) ...[
-              const SizedBox(width: 6),
-              Text(
-                _currentSkillName!,
-                style: TextStyle(
-                  fontFamily: 'PressStart2P',
-                  fontSize: 12,
-                  color: color,
-                ),
-              ),
-            ],
-          ],
-        ),
-      ),
-    );
-  }
-
-  /// 이벤트 타입에 따른 아이콘, 색상 반환
-  (IconData, Color) _getEventIconData() {
-    // 스킬 사용
-    if (_currentSkillName != null ||
-        _currentEventIcon == CombatEventType.playerSkill) {
-      return (Icons.auto_fix_high, Colors.purple);
-    }
-
-    // 크리티컬 체크 (latestCombatEvent에서)
-    if (_latestCombatEvent?.isCritical == true) {
-      return (Icons.flash_on, Colors.yellow.shade600);
-    }
-
-    return switch (_currentEventIcon) {
-      CombatEventType.playerBlock => (Icons.shield, Colors.blue),
-      CombatEventType.playerEvade => (Icons.directions_run, Colors.cyan),
-      CombatEventType.playerParry => (Icons.sports_kabaddi, Colors.purple),
-      _ => (Icons.trending_up, Colors.lightBlue),
-    };
-  }
 }
diff --git a/lib/src/features/arena/widgets/arena_battle_area.dart b/lib/src/features/arena/widgets/arena_battle_area.dart
new file mode 100644
index 0000000..9b48397
--- /dev/null
+++ b/lib/src/features/arena/widgets/arena_battle_area.dart
@@ -0,0 +1,173 @@
+import 'package:flutter/material.dart';
+
+import 'package:asciineverdie/src/core/model/arena_match.dart';
+import 'package:asciineverdie/src/core/model/combat_event.dart';
+import 'package:asciineverdie/src/core/model/game_state.dart';
+import 'package:asciineverdie/src/core/model/hall_of_fame.dart';
+import 'package:asciineverdie/src/shared/animation/race_character_frames.dart';
+import 'package:asciineverdie/src/shared/widgets/ascii_disintegrate_widget.dart';
+import 'package:asciineverdie/src/features/game/widgets/ascii_animation_card.dart';
+import 'package:asciineverdie/src/shared/retro_colors.dart';
+
+/// 아레나 전투 영역 위젯 (Arena Battle Area)
+///
+/// 활성 전투 중 ASCII 애니메이션 표시, 종료 시 승자/패자 분기 처리
+class ArenaBattleArea extends StatelessWidget {
+  const ArenaBattleArea({
+    super.key,
+    required this.match,
+    required this.isFinished,
+    this.result,
+    this.latestCombatEvent,
+  });
+
+  final ArenaMatch match;
+  final bool isFinished;
+  final ArenaMatchResult? result;
+  final CombatEvent? latestCombatEvent;
+
+  @override
+  Widget build(BuildContext context) {
+    if (isFinished && result != null) {
+      return _buildFinishedArea(context);
+    }
+    return _buildActiveArea(context);
+  }
+
+  /// 방패 장착 여부 확인
+  bool _hasShield(HallOfFameEntry entry) {
+    final equipment = entry.finalEquipment;
+    if (equipment == null) return false;
+    return equipment.any((item) => item.slot.name == 'shield');
+  }
+
+  /// 활성 전투 영역 (기존 AsciiAnimationCard)
+  Widget _buildActiveArea(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.symmetric(horizontal: 8),
+      child: SizedBox(
+        height: 120,
+        child: AsciiAnimationCard(
+          taskType: TaskType.kill,
+          raceId: match.challenger.raceId,
+          shieldName: _hasShield(match.challenger) ? 'shield' : null,
+          opponentRaceId: match.opponent.raceId,
+          opponentHasShield: _hasShield(match.opponent),
+          latestCombatEvent: latestCombatEvent,
+        ),
+      ),
+    );
+  }
+
+  /// 종료된 전투 영역 (승자 유지 + 패자 분해)
+  Widget _buildFinishedArea(BuildContext context) {
+    final isVictory = result!.isVictory;
+    final winnerRaceId = isVictory
+        ? match.challenger.raceId
+        : match.opponent.raceId;
+    final loserRaceId = isVictory
+        ? match.opponent.raceId
+        : match.challenger.raceId;
+
+    // 패자 캐릭터 프레임 (idle 첫 프레임)
+    final loserFrameData =
+        RaceCharacterFrames.get(loserRaceId) ??
+        RaceCharacterFrames.defaultFrames;
+    final loserLines = loserFrameData.idle.first.lines;
+
+    // 승자 캐릭터 프레임 (idle 첫 프레임)
+    final winnerFrameData =
+        RaceCharacterFrames.get(winnerRaceId) ??
+        RaceCharacterFrames.defaultFrames;
+    final winnerLines = winnerFrameData.idle.first.lines;
+
+    return Padding(
+      padding: const EdgeInsets.symmetric(horizontal: 8),
+      child: SizedBox(
+        height: 120,
+        child: Row(
+          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+          children: [
+            // 좌측: 도전자 (승자면 유지, 패자면 분해)
+            Expanded(
+              child: Center(
+                child: isVictory
+                    ? _buildStaticCharacter(context, winnerLines)
+                    : AsciiDisintegrateWidget(
+                        characterLines: _mirrorLines(loserLines),
+                      ),
+              ),
+            ),
+            // 중앙 VS
+            Text(
+              'VS',
+              style: TextStyle(
+                fontFamily: 'PressStart2P',
+                fontSize: 14,
+                color: RetroColors.goldOf(context).withValues(alpha: 0.5),
+              ),
+            ),
+            // 우측: 상대 (승자면 유지, 패자면 분해)
+            Expanded(
+              child: Center(
+                child: isVictory
+                    ? AsciiDisintegrateWidget(characterLines: loserLines)
+                    : _buildStaticCharacter(context, _mirrorLines(winnerLines)),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  /// 정적 ASCII 캐릭터 표시
+  Widget _buildStaticCharacter(BuildContext context, List<String> lines) {
+    final textColor = RetroColors.textPrimaryOf(context);
+    return Column(
+      mainAxisSize: MainAxisSize.min,
+      children: lines
+          .map(
+            (line) => Text(
+              line,
+              style: TextStyle(
+                fontFamily: 'JetBrainsMono',
+                fontSize: 15,
+                color: textColor,
+                height: 1.2,
+              ),
+            ),
+          )
+          .toList(),
+    );
+  }
+
+  /// ASCII 문자열 미러링 (좌우 대칭)
+  static List<String> _mirrorLines(List<String> lines) {
+    return lines.map((line) {
+      final chars = line.split('');
+      return chars.reversed.map(_mirrorChar).join();
+    }).toList();
+  }
+
+  /// 개별 문자 미러링
+  static String _mirrorChar(String char) {
+    return switch (char) {
+      '/' => r'\',
+      r'\' => '/',
+      '(' => ')',
+      ')' => '(',
+      '[' => ']',
+      ']' => '[',
+      '{' => '}',
+      '}' => '{',
+      '<' => '>',
+      '>' => '<',
+      'd' => 'b',
+      'b' => 'd',
+      'q' => 'p',
+      'p' => 'q',
+      _ => char,
+    };
+  }
+}
diff --git a/lib/src/features/arena/widgets/arena_combat_event_icons.dart b/lib/src/features/arena/widgets/arena_combat_event_icons.dart
new file mode 100644
index 0000000..e4f706b
--- /dev/null
+++ b/lib/src/features/arena/widgets/arena_combat_event_icons.dart
@@ -0,0 +1,104 @@
+import 'package:flutter/material.dart';
+
+import 'package:asciineverdie/src/core/model/combat_event.dart';
+
+/// 아레나 전투 이벤트 아이콘 위젯 (Arena Combat Event Icons)
+///
+/// 스킬 사용, 크리티컬, 블록, 회피 등 특수 이벤트를 아이콘으로 표시
+class ArenaCombatEventIcons extends StatelessWidget {
+  const ArenaCombatEventIcons({
+    super.key,
+    this.currentEventIcon,
+    this.currentSkillName,
+    this.latestCombatEvent,
+  });
+
+  /// 현재 표시 중인 이벤트 아이콘 타입
+  final CombatEventType? currentEventIcon;
+
+  /// 현재 표시 중인 스킬 이름
+  final String? currentSkillName;
+
+  /// 최신 전투 이벤트 (크리티컬 체크용)
+  final CombatEvent? latestCombatEvent;
+
+  @override
+  Widget build(BuildContext context) {
+    final hasSpecialEvent =
+        currentSkillName != null ||
+        latestCombatEvent?.isCritical == true ||
+        currentEventIcon == CombatEventType.playerBlock ||
+        currentEventIcon == CombatEventType.playerEvade ||
+        currentEventIcon == CombatEventType.playerParry ||
+        currentEventIcon == CombatEventType.playerSkill;
+
+    if (!hasSpecialEvent) {
+      return const SizedBox(height: 28);
+    }
+
+    final (icon, color) = _getEventIconData();
+
+    return AnimatedOpacity(
+      opacity: currentEventIcon != null ? 1.0 : 0.0,
+      duration: const Duration(milliseconds: 200),
+      child: SizedBox(
+        height: 28,
+        child: Row(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            // 버프 아이콘 스타일 (CircularProgressIndicator)
+            Stack(
+              alignment: Alignment.center,
+              children: [
+                SizedBox(
+                  width: 24,
+                  height: 24,
+                  child: CircularProgressIndicator(
+                    value: 1.0,
+                    strokeWidth: 2,
+                    backgroundColor: Colors.grey.shade700,
+                    valueColor: AlwaysStoppedAnimation(color),
+                  ),
+                ),
+                Icon(icon, size: 12, color: color),
+              ],
+            ),
+            // 스킬 이름 표시
+            if (currentSkillName != null) ...[
+              const SizedBox(width: 6),
+              Text(
+                currentSkillName!,
+                style: TextStyle(
+                  fontFamily: 'PressStart2P',
+                  fontSize: 12,
+                  color: color,
+                ),
+              ),
+            ],
+          ],
+        ),
+      ),
+    );
+  }
+
+  /// 이벤트 타입에 따른 아이콘, 색상 반환
+  (IconData, Color) _getEventIconData() {
+    // 스킬 사용
+    if (currentSkillName != null ||
+        currentEventIcon == CombatEventType.playerSkill) {
+      return (Icons.auto_fix_high, Colors.purple);
+    }
+
+    // 크리티컬 체크
+    if (latestCombatEvent?.isCritical == true) {
+      return (Icons.flash_on, Colors.yellow.shade600);
+    }
+
+    return switch (currentEventIcon) {
+      CombatEventType.playerBlock => (Icons.shield, Colors.blue),
+      CombatEventType.playerEvade => (Icons.directions_run, Colors.cyan),
+      CombatEventType.playerParry => (Icons.sports_kabaddi, Colors.purple),
+      _ => (Icons.trending_up, Colors.lightBlue),
+    };
+  }
+}
diff --git a/lib/src/features/arena/widgets/arena_turn_indicator.dart b/lib/src/features/arena/widgets/arena_turn_indicator.dart
new file mode 100644
index 0000000..47ae767
--- /dev/null
+++ b/lib/src/features/arena/widgets/arena_turn_indicator.dart
@@ -0,0 +1,46 @@
+import 'package:flutter/material.dart';
+
+import 'package:asciineverdie/src/shared/retro_colors.dart';
+
+/// 아레나 턴 표시 위젯 (Arena Turn Indicator)
+///
+/// 경과 시간을 분:초 형식으로 표시
+class ArenaTurnIndicator extends StatelessWidget {
+  const ArenaTurnIndicator({super.key, this.battleStartTime});
+
+  /// 전투 시작 시간 (경과 시간 계산용)
+  final DateTime? battleStartTime;
+
+  @override
+  Widget build(BuildContext context) {
+    String elapsedTime = '00:00';
+    if (battleStartTime != null) {
+      final elapsed = DateTime.now().difference(battleStartTime!);
+      final minutes = elapsed.inMinutes;
+      final seconds = elapsed.inSeconds % 60;
+      elapsedTime =
+          '${minutes.toString().padLeft(2, '0')}:'
+          '${seconds.toString().padLeft(2, '0')}';
+    }
+
+    return Container(
+      padding: const EdgeInsets.symmetric(vertical: 8),
+      color: RetroColors.panelBgOf(context).withValues(alpha: 0.5),
+      child: Row(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Icon(Icons.timer, color: RetroColors.goldOf(context), size: 16),
+          const SizedBox(width: 8),
+          Text(
+            elapsedTime,
+            style: TextStyle(
+              fontFamily: 'PressStart2P',
+              fontSize: 14,
+              color: RetroColors.goldOf(context),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}