diff --git a/Assets/Prefabs/Enemy.prefab b/Assets/Prefabs/Enemy.prefab
index 5c8aad2..f171b47 100644
--- a/Assets/Prefabs/Enemy.prefab
+++ b/Assets/Prefabs/Enemy.prefab
@@ -35,7 +35,7 @@ Transform:
   serializedVersion: 2
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
   m_LocalPosition: {x: 5.508, y: 1.832, z: 1}
-  m_LocalScale: {x: 1.7, y: 1.7, z: 1}
+  m_LocalScale: {x: 1.19, y: 1.19, z: 1}
   m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 0}
diff --git a/Assets/Scripts/Mechanics/EnemyController.cs b/Assets/Scripts/Mechanics/EnemyController.cs
index 80540ab..f0f4010 100644
--- a/Assets/Scripts/Mechanics/EnemyController.cs
+++ b/Assets/Scripts/Mechanics/EnemyController.cs
@@ -101,6 +101,10 @@ namespace Platformer.Mechanics
                 }
             }
 
+            // BT12-Dev 2026-05-11 — Enemy ↔ Enemy IgnoreLayerCollision (PD 지시: 몬스터 영역 통과)
+            // Layer 14 (Enemy) ↔ Layer 14 collide X·전역 1회 적용 (Awake 영역 매번 호출 무관·idempotent).
+            Physics2D.IgnoreLayerCollision(14, 14, true);
+
             // PD 명시 2026-05-08 — 자동 patrol 시작 위치 저장 (측정·target은 Start 시점)
             _startX = transform.position.x;
             _startY = transform.position.y;  // BT102: 떨어짐 검출 기준