The previous emperor whose body Xiao Heng now inhabits. He was controlled by eunuchs and powerful feudal lords throughout his reign. He lived a life of transgression and absurdity. When Hedong and Chu forces invaded, instead of escaping Luoyang with An Youliang, he dressed in his mother's clothes in the Chengde Palace, faced the ancestral temple, and shouted to Emperor Taizong for help before slamming his head into a pillar and dying.