Battle of Xiapi

Xia Pi is the capital of Xu province, and was ruled by Liu Bei after Tao Qian's death, and later controlled by Lu Bu after intimidating Liu Bei. It became the scene of Lu Bu's final battle, as the combined forces of Cao Cao, and Liu Bei surrounded the castle, flooded it with a water attack, and Lu Bu was given up by his own subordinates. After the battle, Lu Bu offered to serve Cao Cao, but Liu Bei cautioned against it, citing the fates of those who Lu Bu had previously served, and so Lu Bu was executed by strangling. Zhang Liao, who was serving Lu Bu, was offered service under Cao Cao, and became one of his leading officers. It is unknown what happened to Diao Chan