- A Castle can be used to mint new Knights with a discount. The discount increases based on the amount of Knights it has minted. The more Knights a Castle mints, the better the deal gets to mint a new Knight.
- A Castle is a DAO and the Knights from it are the DAO's members.
- Castles can level up. High tier Castles can even issue custom tokens. ERC20 and/or ERC721. The highest tier "Citadel" has an amount cap of 7; the 2nd highest tier "Castle" has an amount cap of 21.
- Knights from a Castle can have exclusive skins. Castle art design is customized.
- The Castle Smart Contract is upgradable. They will have more features as the game developments.