In TearRing Saga, Dukes are non-playable classes, appear as nobles who can wield Swords in combat and have relatively low levels and stats when encountered in game.
In Berwick Saga, Dukes are an armored class used by ally npcs, and usually have high stats. They can use Swords and equip large Shields.
- Codha - Chancellor of Wellt.
- Pavlov - Imperial commander in charge of Senay.
- Kernel - Imperial commander in charge of Selba.
- Ahab - A member of the Salian royal house who launched a coup against the Salian King and Queen.
- Dolmu - A noble of Reeve who betrayed them to the Zoa Empire.