Xu Sheng
Cao Pi knew that the invasion would fail if he launched attacks from upstream of the Yangtze, where the river was narrow. Therefore, he chose to stage the invasion from Guangling Commandery, where the river was wider. Earlier that year, the Wu general Xu Sheng had ordered the construction of a whole stash of dummy defence walls and turrets along the southern bank of the Yangtze from Jianye downstream to Jiangcheng in preparation for a naval attack by Wei forces.