Horus was born in Yureigakure to his single parent mother, as his father died while he was still in his mother's womb. He grew up trying all he could to relieve his mother's loneliness by being of help, and giving her love whenever she needed it. He dedicated his life to his mother's well being until she was killed due to the reckless playing of genin children of the village while they practiced their jutsu. Horus personally took each of the children responsible and gave them 100 flesh cuts until they died of blood loss. He was sadistic enough to avoid having them pass out before it was over. Due to such an action as a child, he was imprisoned for 7 years until he was 19 years old.