# Custom System Features

- [Card Deposit System](/ragnarok-underground/custom-system-features/card-deposit-system.md)
- [Zeny Tax System](/ragnarok-underground/custom-system-features/zeny-tax-system.md)
- [Town Patronage System](/ragnarok-underground/custom-system-features/town-patronage-system.md)
- [Account Lock System](/ragnarok-underground/custom-system-features/account-lock-system.md)
- [Auto Combat System](/ragnarok-underground/custom-system-features/auto-combat-system.md)