Between the two, Chengye fought to kill. His life was one where he would kill if met a person he dislike and it had gone deep through his bone, soaking with the intent to kill. Tian Shi was the opposite. Despite his harsh words he often directed at his uncle, he had always followed Tian Yi's teaching, the rule he made not to kill. But today he have to broke the rule.
When a punch came across Chengye's Tian Shi's stomach, he moves back, his hand holding the place where he had been punch and could feel that his ribs were broken and if he was a step to near, it would have costed another one bone.