陳宮
At that time, Cao Cao's advisor Chen Gong urged him to take control of Yan Province and secure it as a base for conquering other territories. Chen Gong volunteered to persuade Liu Dai's followers to join Cao Cao. Bao Xin, who was friendly towards Cao Cao, travelled to Dong Commandery (southwest of present-day Puyang, Henan) to invite Cao to be the new Inspector of Yan Province.