diff --git a/Assets/Scripts/Skills/SkillController.cs b/Assets/Scripts/Skills/SkillController.cs
index b71430e8..a548f878 100644
--- a/Assets/Scripts/Skills/SkillController.cs
+++ b/Assets/Scripts/Skills/SkillController.cs
@@ -104,6 +104,14 @@ namespace Colosseum.Skills
                 return false;
             }
 
+            // 사망 상태면 스킬 사용 불가
+            var damageable = GetComponent<Colosseum.Combat.IDamageable>();
+            if (damageable != null && damageable.IsDead)
+            {
+                if (debugMode) Debug.Log($"[Skill] Cannot execute skill - owner is dead");
+                return false;
+            }
+
             if (IsExecutingSkill)
             {
                 if (debugMode) Debug.Log($"Already executing skill: {currentSkill.SkillName}");
@@ -204,6 +212,14 @@ namespace Colosseum.Skills
                 return;
             }
 
+            // 사망 상태면 효과 발동 중단
+            var damageable = GetComponent<Colosseum.Combat.IDamageable>();
+            if (damageable != null && damageable.IsDead)
+            {
+                if (debugMode) Debug.Log($"[Effect] Cancelled - owner is dead");
+                return;
+            }
+
             var effects = currentSkill.Effects;
             if (index < 0 || index >= effects.Count)
             {