diff --git a/Assets/Scripts/Gameplay/HealthIsZero.cs b/Assets/Scripts/Gameplay/HealthIsZero.cs
index 0eba940..8f53e55 100644
--- a/Assets/Scripts/Gameplay/HealthIsZero.cs
+++ b/Assets/Scripts/Gameplay/HealthIsZero.cs
@@ -5,8 +5,10 @@ using static Platformer.Core.Simulation;
 namespace Platformer.Gameplay
 {
     /// <summary>
-    /// Fired when the player health reaches 0. This usually would result in a 
+    /// Fired when the player health reaches 0. This usually would result in a
     /// PlayerDeath event.
+    /// BT12-Dev 2026-05-09 — sender 가드 추가. Enemy.Health hp=0 시 무차별 PlayerDeath 발화 차단.
+    /// 근본: Health.Decrement·Die 4곳에서 Schedule<HealthIsZero>(sender 미구분) → Execute에서 PlayerDeath 직결 → 적 처치 시 Player 즉사 버그.
     /// </summary>
     /// <typeparam name="HealthIsZero"></typeparam>
     public class HealthIsZero : Simulation.Event<HealthIsZero>
@@ -15,6 +17,9 @@ namespace Platformer.Gameplay
 
         public override void Execute()
         {
+            if (health == null) return;
+            // PlayerController 보유 Health만 PlayerDeath 발화 (Enemy 등 다른 Health 영역 차단).
+            if (health.GetComponent<PlayerController>() == null) return;
             Schedule<PlayerDeath>();
         }
     }