Slave Bi had met Xu Chengxuan at the Lantern Festival a year ago. At that time, Xu Chengxuan was still a child who looked like he was still wet behind the ears. However, Slave Bi had taken a fancy to him because there was hostility in this child's eyes.
It was not easy to obtain Xu Chengxuan's appreciation, but it was not difficult for Slave Bi. He had only used a small trick to teach a thief a lesson on Xu Chengxuan's behalf. Actually, anyone could teach a little thief a lesson, but it would take some effort to make Xu Chengxuan appreciate it.
All along, Slave Bi had been obedient to Xu Chengxuan. Not only did he help him remove many obstacles, but he also taught him some poison skills. Xu Chengxuan thought that he was loyal to him, but little did he know that Slave Bi had a motive from the beginning.