Arc 1Rejuvenation Hall's Schemes
Cao Mengde treated Bibi Dong, Xiao Wu, Tang San, and Zhu Zhuqing while using his powers to manipulate their symptoms and disrupt Shrek Academy. After Tang Hao carried Tang San away to find a Blue Silver Emperor leaf, Bibi Dong asked Cao Mengde to delay Tang San’s treatment for three days, and he agreed in exchange for Hu Liena’s betrothal.