Onryo is a vengeful spirit from 600 years ago. She lives in mortal homes seeking revenge of her killer. Her long black hair that covers her face and her pale skin, she is a beautiful Japanese woman. But when she angry for possession she turns into her scary form. Even if she's a vengeful spirit, she can be bonded with if you are no threat. She is very smart and have supernatural powers. The more thirsty for revenge, the more she gets powerful. Her only weakness is the Japanese seals and exorcist