diff --git a/lib/src/core/engine/ad_service.dart b/lib/src/core/engine/ad_service.dart
index 56f1ed5..e2a3f19 100644
--- a/lib/src/core/engine/ad_service.dart
+++ b/lib/src/core/engine/ad_service.dart
@@ -76,12 +76,12 @@ class AdService {
   // ─────────────────────────────────────────────────────────────────────────
   static const String _prodRewardedAndroid =
       'ca-app-pub-6691216385521068/3457464395'; // Android 리워드 광고
-  static const String _prodRewardedIos =
-      'ca-app-pub-XXXXXXXXXXXXXXXX/XXXXXXXXXX'; // TODO: iOS 리워드 광고 ID 교체
+  // TODO(ios): AdMob iOS 광고 ID — iOS 출시 전 필수 교체
+  static const String _prodRewardedIos = _testRewardedIos;
   static const String _prodInterstitialAndroid =
       'ca-app-pub-6691216385521068/1625507977'; // Android 인터스티셜 광고
-  static const String _prodInterstitialIos =
-      'ca-app-pub-XXXXXXXXXXXXXXXX/XXXXXXXXXX'; // TODO: iOS 인터스티셜 광고 ID 교체
+  // TODO(ios): AdMob iOS 광고 ID — iOS 출시 전 필수 교체
+  static const String _prodInterstitialIos = _testInterstitialIos;
 
   /// 리워드 광고 단위 ID (릴리즈 빌드: 프로덕션 ID, 디버그 빌드: 테스트 ID)
   String get _rewardAdUnitId {
diff --git a/lib/src/core/engine/arena_combat_simulator.dart b/lib/src/core/engine/arena_combat_simulator.dart
index 854c2b5..3d60b51 100644
--- a/lib/src/core/engine/arena_combat_simulator.dart
+++ b/lib/src/core/engine/arena_combat_simulator.dart
@@ -370,8 +370,8 @@ class ArenaCombatSimulator {
         skill: selectedSkill,
         player: updatedPlayer,
         skillSystem: updatedSkillSystem,
-        playerInt: updatedPlayer.atk ~/ 10,
-        playerWis: updatedPlayer.def ~/ 10,
+        playerInt: updatedPlayer.intelligence,
+        playerWis: updatedPlayer.wis,
       );
       updatedPlayer = skillResult.updatedPlayer;
       updatedSkillSystem = skillResult.updatedSkillSystem;
diff --git a/lib/src/core/engine/death_handler.dart b/lib/src/core/engine/death_handler.dart
index 0af2b3a..0f1ff73 100644
--- a/lib/src/core/engine/death_handler.dart
+++ b/lib/src/core/engine/death_handler.dart
@@ -1,3 +1,5 @@
+import 'package:flutter/foundation.dart';
+
 import 'package:asciineverdie/src/core/model/equipment_item.dart';
 import 'package:asciineverdie/src/core/model/equipment_slot.dart';
 import 'package:asciineverdie/src/core/model/game_state.dart';
@@ -104,8 +106,7 @@ class DeathHandler {
     final roll = state.rng.nextInt(100); // 0~99
     final shouldLoseEquipment = roll < lossChancePercent;
 
-    // ignore: avoid_print
-    print(
+    debugPrint(
       '[Death] Lv$level lossChance=$lossChancePercent% roll=$roll '
       'shouldLose=$shouldLoseEquipment',
     );
@@ -157,8 +158,7 @@ class DeathHandler {
       EquipmentItem.empty(lostItemSlot),
     );
 
-    // ignore: avoid_print
-    print('[Death] Lost item: ${lostItem.name} (slot: $lostItemSlot)');
+    debugPrint('[Death] Lost item: ${lostItem.name} (slot: $lostItemSlot)');
 
     return (
       equipment: newEquipment,