I Pick up a Feral Child With Steel Bones From Head to Toe

Qinglu Sect master Huang Xiao, in order to earn some quick money, went to participate in the Maze Breaking Competition. He accidentally fell into a cave and saw a young man with a body full of mechanical bones. No matter how he looked at him, he felt this young man shouldn't be a species of this world. Could it be that hell's messengers look this hardcore?

(Source: Bilibili, translated)