diff --git a/Assets/02.Scripts/Character/Enemy/Boss/BossSkillController.cs b/Assets/02.Scripts/Character/Enemy/Boss/BossSkillController.cs
index 46e281954..b8ae5bdfa 100644
--- a/Assets/02.Scripts/Character/Enemy/Boss/BossSkillController.cs
+++ b/Assets/02.Scripts/Character/Enemy/Boss/BossSkillController.cs
@@ -28,6 +28,8 @@ namespace BlueWater.Enemies.Bosses
 
         private void OnDestroy()
         {
+            if (_instantiateSkillDictionary == null) return;
+            
             foreach (var element in _instantiateSkillDictionary.Values)
             {
                 if (element && element.gameObject)
diff --git a/Assets/05.Prefabs/Characters/Enemies/Bosses/TitanSlime.prefab b/Assets/05.Prefabs/Characters/Enemies/Bosses/TitanSlime.prefab
index 0c11277a3..f02af35bf 100644
--- a/Assets/05.Prefabs/Characters/Enemies/Bosses/TitanSlime.prefab
+++ b/Assets/05.Prefabs/Characters/Enemies/Bosses/TitanSlime.prefab
@@ -158,7 +158,7 @@ PrefabInstance:
     - target: {fileID: 6274137400612009998, guid: db7798cbd0a93f44aac56d479a2994c7, type: 3}
       propertyPath: m_Sprite
       value: 
-      objectReference: {fileID: 21300000, guid: 1fafe0657fb83b2459087e593642117f, type: 3}
+      objectReference: {fileID: 21300000, guid: d6b1de63f7c4f9d49abc4e5ca656f027, type: 3}
     - target: {fileID: 6274137400612009998, guid: db7798cbd0a93f44aac56d479a2994c7, type: 3}
       propertyPath: m_WasSpriteAssigned
       value: 1