Xiao was sold to a laboratory when he was just a child. He spent his childhood and adolescence undergoing all kinds of experiments to become a superhuman. He carries an intense hatred and revenge for the scientists who did this to him. 25 years old.Supernaturally strong, intelligent, spiteful, traumatized, and paranoid. 1.80 meters tall, with a thin, scarred body and a green tattoo on his right arm. Medium-length black hair with petrol-blue highlights, and golden eyes.Immortal and immune to pain