diff --git a/async-bot.py b/async-bot.py
index 155d281..b64ba83 100644
--- a/async-bot.py
+++ b/async-bot.py
@@ -19,7 +19,7 @@ class AsyncBotManager:
         self.difference: dict[int, bool] = {}
         self._last_update = 0
         self._shutdown: bool = False
-        self.avoid: set[range] = set()
+        self.avoid: set[int] = set()
 
     def put_text(self, x: int, y: int, text: str):
         with Image.new("LA", (int(self.font.getlength(text) + 12), 16)) as im:
@@ -40,7 +40,7 @@ class AsyncBotManager:
                     self.put_index(index, l > 0)
 
     def put_index(self, index: int, value: bool):
-        if not any([index in avoid for avoid in self.avoid]):
+        if not index in self.avoid:
             self.difference[index] = value
 
     def add_avoid_rect(self, sx: int, sy: int, w: int, h: int):
@@ -49,7 +49,10 @@ class AsyncBotManager:
             self.add_avoid_range(sx + ox, sx + w + ox)
 
     def add_avoid_range(self, start: int, stop: int, step: int = 1):
-        self.avoid.add(range(start, stop, step))
+        self.avoid |= set(range(start, stop, step))
+
+    def add_avoid_index(self, *indices: int):
+        self.avoid |= set(indices)
 
     def get_difference_image(self) -> Image.Image:
         with Image.new("LA", (1000, 1000), 0) as im:
@@ -60,10 +63,9 @@ class AsyncBotManager:
 
     def get_avoid_image(self) -> Image.Image:
         with Image.new("RGB", (1000, 1000), (0, 255, 0)) as im:
-            for rng in self.avoid:
-                for index in rng:
-                    y, x = divmod(index, 1000)
-                    im.putpixel((x, y), (255, 0, 0))
+            for index in self.avoid:
+                y, x = divmod(index, 1000)
+                im.putpixel((x, y), (255, 0, 0))
             return im.copy()
 
     async def listener(self):
@@ -140,6 +142,14 @@ async def amain():
                 mgr.add_avoid_range(
                     avoid["start"], avoid["stop"], avoid.get("step", 1)
                 )
+            elif avoid["type"] == "image":
+                with Image.open(avoid["path"]).convert("LA") as im:
+                    assert im.width == 1000 and im.height == 1000
+                    for y in range(im.height):
+                        for x in range(im.width):
+                            l, a = im.getpixel((x, y))  # type: ignore
+                            if a > 128:
+                                mgr.add_avoid_index(x + y * 1000)
         for elem in settings["elements"]:
             if elem["type"] == "text":
                 mgr.put_text(elem["x"], elem["y"], elem["text"])
diff --git a/avoid_masks/noita.png b/avoid_masks/noita.png
new file mode 100644
index 0000000..33fb84f
Binary files /dev/null and b/avoid_masks/noita.png differ
diff --git a/avoid_masks/noita_black_outline_179x111.png b/avoid_masks/noita_black_outline_179x111.png
deleted file mode 100644
index 7358dcc..0000000
Binary files a/avoid_masks/noita_black_outline_179x111.png and /dev/null differ
diff --git a/settings.json b/settings.json
index c19bd56..063a7b8 100644
--- a/settings.json
+++ b/settings.json
@@ -45,7 +45,7 @@
     },
     {
       "type": "image",
-      "path": "./avoid_masks/noita_black_outline_179x111.png",
+      "path": "./avoid_masks/noita.png",
       "description": "Noita logo by Cr4xy"
     }
   ],