In appearance, the Duke is a Feminine Celtor. She wears a Slate Aristocrat Coat over a black tuxedo vest, along with Eyeglasses. She also has a bell by his side that allows her to create and control Rock Golems, although it is never visibly used during the boss fight. The Duke of Erisia is a martial arts user and is specialized in the Legion Kata style. Alongside his martial attacks, she wields extremely powerful and exclusive Galebreathe mantras.