- Surrounded by a moat
- Water was infused with a substance which glowed when disturbed
Interior:
- Head of the castle housed the main control room
- Eyes served as large windows
- Mouth housed a cannon that could shoot fireballs
- Dungeons were in the lower levels of the structure
Miscellaneous:
- Shape liked a bat-like creature
- Wings were designed to fold inwards to provide a double-shield to the main entrance