Unlike her brother , her appearance is that of an angel with blood - red feathers , rather than a human with demonic features .
Sizer - The head of the demons ' airborne Hawk Army , later revealed to be Hamel 's younger twin sister .
Unlike Sizer 's brother , Sizer 's appearance is that of an angel with blood - red feathers , rather than a human with demonic features .
Sizer - The head of the demons ' airborne Hawk Army , later revealed to be Hamel 's younger twin sister .