diff --git a/asset_dev/props/overhead_light/overhead_light.ubpd b/asset_dev/props/overhead_light/overhead_light.ubpd
index eb3e7ac..c0bdfa6 100644
Binary files a/asset_dev/props/overhead_light/overhead_light.ubpd and b/asset_dev/props/overhead_light/overhead_light.ubpd differ
diff --git a/levels/ghost_ship/level/airlock/airlock.tscn b/levels/ghost_ship/level/airlock/airlock.tscn
index 8515c45..2007470 100644
--- a/levels/ghost_ship/level/airlock/airlock.tscn
+++ b/levels/ghost_ship/level/airlock/airlock.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=62 format=3 uid="uid://cwhmn3w8hoads"]
+[gd_scene load_steps=63 format=3 uid="uid://cwhmn3w8hoads"]
 
 [ext_resource type="ArrayMesh" uid="uid://dpr5cgq743f4s" path="res://assets/level/floor/floor_9x9.mesh" id="1_isxnv"]
 [ext_resource type="PackedScene" uid="uid://cdi5sl60mw1po" path="res://src/world/gunkable/gunkable.tscn" id="2_si4vj"]
@@ -31,6 +31,7 @@
 [ext_resource type="PackedScene" uid="uid://d2feet02a603e" path="res://src/props/overhead_light/overhead_light.tscn" id="28_fajl5"]
 [ext_resource type="Script" uid="uid://040xta01xqxd" path="res://src/props/physics/holdable.gd" id="28_knpho"]
 [ext_resource type="PackedScene" uid="uid://30o8ltnnxpxo" path="res://src/effects/floating_dust.tscn" id="29_ib88w"]
+[ext_resource type="Texture2D" uid="uid://c1v1sj6b8rwrl" path="res://levels/ghost_ship/level/airlock/overhead_light_airlock_mask_C.png" id="31_2dnfr"]
 
 [sub_resource type="ConcavePolygonShape3D" id="ConcavePolygonShape3D_yvipw"]
 data = PackedVector3Array(4.5, 0, 4.5, -4.5, 0, 4.5, 4.5, 0, -4.5, 4.5, 0, -4.5, -4.5, 0, 4.5, -4.5, 0, -4.5)
@@ -447,6 +448,8 @@ chitter = true
 
 [node name="OverheadLight" parent="." instance=ExtResource("28_fajl5")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 3, 0)
+threshold = 200.0
+initial_mask = ExtResource("31_2dnfr")
 
 [node name="FloatingDust" parent="." instance=ExtResource("29_ib88w")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.5, 0)
diff --git a/levels/ghost_ship/level/airlock/overhead_light_airlock_mask_C.png b/levels/ghost_ship/level/airlock/overhead_light_airlock_mask_C.png
new file mode 100644
index 0000000..8afdfaf
--- /dev/null
+++ b/levels/ghost_ship/level/airlock/overhead_light_airlock_mask_C.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6d7f289521c2c37529453c35e77fae86442d2167b13ebcd7bc0926992a3655cd
+size 1644
diff --git a/levels/ghost_ship/level/airlock/overhead_light_airlock_mask_C.png.import b/levels/ghost_ship/level/airlock/overhead_light_airlock_mask_C.png.import
new file mode 100644
index 0000000..972967b
--- /dev/null
+++ b/levels/ghost_ship/level/airlock/overhead_light_airlock_mask_C.png.import
@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://c1v1sj6b8rwrl"
+path="res://.godot/imported/overhead_light_airlock_mask_C.png-49326bbaedb76c07c22f172373e43cf0.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://levels/ghost_ship/level/airlock/overhead_light_airlock_mask_C.png"
+dest_files=["res://.godot/imported/overhead_light_airlock_mask_C.png-49326bbaedb76c07c22f172373e43cf0.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0
diff --git a/levels/ghost_ship/level/mess_hall/mess_hall.tscn b/levels/ghost_ship/level/mess_hall/mess_hall.tscn
index f64ed78..8f3d5e3 100644
--- a/levels/ghost_ship/level/mess_hall/mess_hall.tscn
+++ b/levels/ghost_ship/level/mess_hall/mess_hall.tscn
@@ -17,7 +17,7 @@
 [ext_resource type="PackedScene" uid="uid://30o8ltnnxpxo" path="res://src/effects/floating_dust.tscn" id="15_87puh"]
 [ext_resource type="PackedScene" uid="uid://p86qtslgpe1i" path="res://src/props/trash_can/phys_trash_can.tscn" id="15_pmhe8"]
 [ext_resource type="PackedScene" uid="uid://d2feet02a603e" path="res://src/props/overhead_light/overhead_light.tscn" id="16_s0n7p"]
-[ext_resource type="Texture2D" uid="uid://wqqwtmtmp147" path="res://assets/level/overhead_light_maskC.png" id="17_6lrbi"]
+[ext_resource type="Texture2D" uid="uid://wqqwtmtmp147" path="res://levels/ghost_ship/level/mess_hall/overhead_light_mask_C.png" id="17_6lrbi"]
 [ext_resource type="PackedScene" uid="uid://dgqx1h4dtkwma" path="res://src/world/mechanics/trigger/gunk_trigger.tscn" id="17_311lj"]
 [ext_resource type="Texture2D" uid="uid://dpouhl7ujchnu" path="res://assets/props/overhead_light/hanging_wires.png" id="17_s3h7q"]
 [ext_resource type="PackedScene" uid="uid://bttust5ohud8e" path="res://src/world/mechanics/relay/gunk_relay.tscn" id="18_itnv2"]
diff --git a/assets/level/overhead_light_maskC.png b/levels/ghost_ship/level/mess_hall/overhead_light_mask_C.png
similarity index 100%
rename from assets/level/overhead_light_maskC.png
rename to levels/ghost_ship/level/mess_hall/overhead_light_mask_C.png
diff --git a/assets/level/overhead_light_maskC.png.import b/levels/ghost_ship/level/mess_hall/overhead_light_mask_C.png.import
similarity index 66%
rename from assets/level/overhead_light_maskC.png.import
rename to levels/ghost_ship/level/mess_hall/overhead_light_mask_C.png.import
index 8c51b60..be1e8b1 100644
--- a/assets/level/overhead_light_maskC.png.import
+++ b/levels/ghost_ship/level/mess_hall/overhead_light_mask_C.png.import
@@ -3,15 +3,15 @@
 importer="texture"
 type="CompressedTexture2D"
 uid="uid://wqqwtmtmp147"
-path="res://.godot/imported/overhead_light_maskC.png-48eda4bf516a01d02cd79c40500e7506.ctex"
+path="res://.godot/imported/overhead_light_mask_C.png-db7be4dd257bb0d39c1c05cc10163d17.ctex"
 metadata={
 "vram_texture": false
 }
 
 [deps]
 
-source_file="res://assets/level/overhead_light_maskC.png"
-dest_files=["res://.godot/imported/overhead_light_maskC.png-48eda4bf516a01d02cd79c40500e7506.ctex"]
+source_file="res://levels/ghost_ship/level/mess_hall/overhead_light_mask_C.png"
+dest_files=["res://.godot/imported/overhead_light_mask_C.png-db7be4dd257bb0d39c1c05cc10163d17.ctex"]
 
 [params]