As a Harpy, Frey has wings on her back and talons as feet. She has white hair and is usually seen wearing a red dress.As a Queen-type among the largely female populated Harpy race, Frey has the ability to expand her forces through Parthenogenesis or Virgin Birth, where she is able to have children without the need of a partner.
Frey is careful and cunning. Together with Milim, they easily outwitted Clayman by making him believe he had control over them, and even had him convinced that Carrionq