In the summer of 194 AD, Cao Cao assembled a massive army to launch his second invasion of Xu Province, this time under the banner of filial vengeance. His father, Cao Song, had been murdered by soldiers of Tao Qian.
Historically, Cao Cao carried out two large-scale massacres in Xuzhou. The first occurred in 193. According to According to Romance of the Three Kingdoms, when his father was killed by a general under the command of Tao Qian, the governor of Xuzhou, Cao Cao led his army to attack Tao Qian, capturing over ten…