diff --git a/.claude/settings.local.json b/.claude/settings.local.json
new file mode 100644
index 0000000..c7affde
--- /dev/null
+++ b/.claude/settings.local.json
@@ -0,0 +1,18 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(go build:*)",
+      "Bash(find . -name \"*.go\" -type f -exec wc -l {} +)",
+      "Bash(sort -k2)",
+      "Bash(where go:*)",
+      "Read(//c/Users/SSAFY/sdk/**)",
+      "Read(//c/Users/98kim/**)",
+      "Bash(go test:*)",
+      "Bash(git add:*)",
+      "Bash(git commit:*)"
+    ]
+  },
+  "disabledMcpjsonServers": [
+    "unity-mcp"
+  ]
+}
diff --git a/catacombs.exe~ b/catacombs.exe~
deleted file mode 100644
index 2129430..0000000
Binary files a/catacombs.exe~ and /dev/null differ
diff --git a/entity/monster.go b/entity/monster.go
index 85e0e48..bf0b46f 100644
--- a/entity/monster.go
+++ b/entity/monster.go
@@ -51,13 +51,14 @@ func NewMonster(mt MonsterType, floor int) *Monster {
 	}
 	hp := int(math.Round(float64(base.HP) * scale))
 	atk := int(math.Round(float64(base.ATK) * scale))
+	def := int(math.Round(float64(base.DEF) * scale))
 	return &Monster{
 		Name:   base.Name,
 		Type:   mt,
 		HP:     hp,
 		MaxHP:  hp,
 		ATK:    atk,
-		DEF:    base.DEF,
+		DEF:    def,
 		IsBoss: base.IsBoss,
 	}
 }
diff --git a/entity/monster_test.go b/entity/monster_test.go
index a230e15..c9f6c30 100644
--- a/entity/monster_test.go
+++ b/entity/monster_test.go
@@ -23,3 +23,16 @@ func TestBossStats(t *testing.T) {
 		t.Errorf("Boss5: got HP=%d ATK=%d DEF=%d, want 150/15/8", boss.HP, boss.ATK, boss.DEF)
 	}
 }
+
+func TestMonsterDEFScaling(t *testing.T) {
+	// Slime base DEF=1, minFloor=1. At floor 5, scale = 1.15^4 ≈ 1.749
+	m := NewMonster(MonsterSlime, 5)
+	if m.DEF <= 1 {
+		t.Errorf("Slime DEF at floor 5 should be scaled above base 1, got %d", m.DEF)
+	}
+	// Boss DEF should NOT scale
+	boss := NewMonster(MonsterBoss5, 5)
+	if boss.DEF != 8 {
+		t.Errorf("Boss5 DEF should be base 8, got %d", boss.DEF)
+	}
+}