diff --git a/core/src/main/assets/custom_tiles/prison_exit.png b/core/src/main/assets/custom_tiles/prison_exit.png
index 85edb7395..a01d1bf05 100644
Binary files a/core/src/main/assets/custom_tiles/prison_exit.png and b/core/src/main/assets/custom_tiles/prison_exit.png differ
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/Level.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/Level.java
index 90eca4daa..73f8357ff 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/Level.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/Level.java
@@ -145,6 +145,7 @@ public abstract class Level implements Bundlable {
 	public SparseArray<Plant> plants;
 	public SparseArray<Trap> traps;
 	public HashSet<CustomTiledVisual> customTiles;
+	public HashSet<CustomTiledVisual> customWalls;
 	
 	protected ArrayList<Item> itemsToSpawn = new ArrayList<>();
 
@@ -168,6 +169,7 @@ public abstract class Level implements Bundlable {
 	private static final String PLANTS		= "plants";
 	private static final String TRAPS       = "traps";
 	private static final String CUSTOM_TILES= "customTiles";
+	private static final String CUSTOM_WALLS= "customWalls";
 	private static final String MOBS		= "mobs";
 	private static final String BLOBS		= "blobs";
 	private static final String FEELING		= "feeling";
@@ -269,6 +271,7 @@ public abstract class Level implements Bundlable {
 			plants = new SparseArray<>();
 			traps = new SparseArray<>();
 			customTiles = new HashSet<>();
+			customWalls = new HashSet<>();
 			
 		} while (!build());
 		decorate();
@@ -319,6 +322,7 @@ public abstract class Level implements Bundlable {
 		plants = new SparseArray<>();
 		traps = new SparseArray<>();
 		customTiles = new HashSet<>();
+		customWalls = new HashSet<>();
 		
 		map		= bundle.getIntArray( MAP );
 
@@ -391,6 +395,12 @@ public abstract class Level implements Bundlable {
 				customTiles.add(vis);
 			}
 		}
+
+		collection = bundle.getCollection( CUSTOM_WALLS );
+		for (Bundlable p : collection) {
+			CustomTiledVisual vis = (CustomTiledVisual)p;
+			customWalls.add(vis);
+		}
 		
 		collection = bundle.getCollection( MOBS );
 		for (Bundlable m : collection) {
@@ -429,6 +439,7 @@ public abstract class Level implements Bundlable {
 		bundle.put( PLANTS, plants.values() );
 		bundle.put( TRAPS, traps.values() );
 		bundle.put( CUSTOM_TILES, customTiles );
+		bundle.put( CUSTOM_WALLS, customWalls );
 		bundle.put( MOBS, mobs );
 		bundle.put( BLOBS, blobs.values() );
 		bundle.put( FEELING, feeling );
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/PrisonBossLevel.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/PrisonBossLevel.java
index 8c3a3452e..8d28f63bf 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/PrisonBossLevel.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/PrisonBossLevel.java
@@ -345,6 +345,11 @@ public class PrisonBossLevel extends Level {
 				customTiles.add(vis);
 				((GameScene)ShatteredPixelDungeon.scene()).addCustomTile(vis);
 
+				vis = new exitVisualWalls();
+				vis.pos(11, 8);
+				customWalls.add(vis);
+				((GameScene)ShatteredPixelDungeon.scene()).addCustomWall(vis);
+
 				Dungeon.hero.interrupt();
 				Dungeon.hero.pos = 5+27*32;
 				Dungeon.hero.sprite.interruptMotion();
@@ -543,7 +548,6 @@ public class PrisonBossLevel extends Level {
 				1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0,
 				1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 				0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
 		};
 
 		public exitVisual() {
@@ -553,7 +557,7 @@ public class PrisonBossLevel extends Level {
 		@Override
 		public CustomTiledVisual create() {
 			tileW = 12;
-			tileH = 15;
+			tileH = 14;
 			mapSimpleImage(0, 0);
 			return super.create();
 		}
@@ -570,4 +574,40 @@ public class PrisonBossLevel extends Level {
 			return render[pos] != 0;
 		}
 	}
+
+	public static class exitVisualWalls extends CustomTiledVisual {
+		private static short[] render = new short[]{
+				0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0,
+				0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0,
+				0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0,
+				0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
+				0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
+				0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0,
+				0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
+				0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1,
+				0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0,
+				0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
+				0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0,
+				0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0,
+				0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0,
+				1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+		};
+
+		public exitVisualWalls() {
+			super(Assets.PRISON_EXIT);
+		}
+
+		@Override
+		public CustomTiledVisual create() {
+			tileW = 12;
+			tileH = 14;
+			mapSimpleImage(4, 0);
+			return super.create();
+		}
+
+		@Override
+		protected boolean needsRender(int pos) {
+			return render[pos] != 0;
+		}
+	}
 }
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/scenes/GameScene.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/scenes/GameScene.java
index 140958074..f124e6bd8 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/scenes/GameScene.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/scenes/GameScene.java
@@ -133,6 +133,7 @@ public class GameScene extends PixelScene {
 	private Group terrain;
 	private Group customTiles;
 	private Group levelVisuals;
+	private Group customWalls;
 	private Group ripples;
 	private Group plants;
 	private Group traps;
@@ -238,6 +239,13 @@ public class GameScene extends PixelScene {
 		walls = new DungeonWallsTilemap();
 		add(walls);
 
+		customWalls = new Group();
+		add(customWalls);
+
+		for( CustomTiledVisual visual : Dungeon.level.customWalls){
+			addCustomWall(visual);
+		}
+
 		wallBlocking = new WallBlockingTilemap();
 		add (wallBlocking);
 
@@ -538,6 +546,10 @@ public class GameScene extends PixelScene {
 	public void addCustomTile( CustomTiledVisual visual){
 		customTiles.add( visual.create() );
 	}
+
+	public void addCustomWall( CustomTiledVisual visual){
+		customWalls.add( visual.create() );
+	}
 	
 	private void addHeapSprite( Heap heap ) {
 		ItemSprite sprite = heap.sprite = (ItemSprite)heaps.recycle( ItemSprite.class );