The protagonist who transmigrated into the body of the shizu (grandmaster) of Cangyu Sect fifty years ago. He secretly practiced a forbidden technique that gave him OP cultivation but came with deadly side effects: every month for three days, his cultivation is cut in half and his body shrinks to that of a three-year-old child, plus emotional instability causing uncontrollable crying. He took the original protagonist Xie Qingyu under his wing to save him from being used as a medicine cauldron. After being struck by lightning during his weakened state, he transmigrated again into the body of Demon Lord Xiao Wuchen, his mortal enemy from the novel. He must maintain his character in front of others or be struck by lightning.