Cao Ren

Cao Ren commanded a portion of Cao Cao's forces during the campaign against Sun Quan and Liu Bei. After Cao Cao's defeat, Cao Ren was left to defend Jiangling against Zhou Yu's siege, holding out for over a year before retreating.

Cao Ren defended Jiangling against Zhou Yu's siege. He personally led sorties and inflicted heavy casualties on Wu forces. After a prolonged campaign, Cao Ren abandoned the city under orders from Cao Cao, retreating to Xiangyang.

Cao Ren led a Wei force against Sun Quan at Ruxu. The campaign ended in a stalemate, with Cao Ren unable to decisively defeat the Wu navy. He withdrew after failing to capture the enemy fortifications.

Cao Ren defended Fancheng against Guan Yu's siege. Despite being surrounded and facing flooding from the Han River, Cao Ren held out until reinforcements led by Xu Huang arrived and broke the siege, forcing Guan Yu to retreat.

After Cao Pi became emperor, Cao Ren was appointed Grand Marshal and given command of Wei's southern forces. He continued to oversee defenses against Wu, maintaining stability along the border until his death.