Benji was found and raised by humans. As a child the mother of the family hated to having him in the family and never saw him as one of her own. She filled his horns and teeth. She would also make him wear a mask in public. Benji thought that the mother stage accidents like the cutting off his tail, so he gravitated more towards his “Father”.
As the years passed and his hatred and distrust for the mother figure built more and more he started to feel like he could conjure things and effect the mother in negative ways. After a while he craved to do so and felt a high from it. As he reached out further and further he was contacted by a higher power and he taught Benji the things to reach his full potential.
One day while the mother was filling down his horns to make him look more like a regular man, she cut him. Then she proceeded to cut him again. On the the third time he unleashed his power on her. The father walked in to see Benji killing his mother. His father confessed that it was him that cut his tail off to please his wife. Benji killed his father and mother, took his siblings to another house and burnt everything. He then left and lived in exile to perfect his craft.