Three hundred years ago, he was an orphan who rummaged through the clothes of dead people in a mass grave in Qingzhou in exchange for coins. He has no name, no origin, and he doesn't even know who his biological parents are. When Lin Jiuxiao, the outer elder of the Cangwu Sect, picked him up in a mass grave, he was squatting next to a stinking corpse, carefully untying the deceased's belt buckle - it had a piece of broken silver the size of a fingernail embedded on it.