Controlling the prosperous Jiangnan region, Eastern Wu relied on its supreme naval forces and the massive natural barrier of the Yangtze River to fend off northern invasions. It was founded by Sun Quan and was the final state to fall.
A wildly popular legend vividly describes the massive Battle of Red Cliffs, claiming that Zhuge Liang miraculously 'borrowed the eastern wind' through mystical Taoist rituals, which allowed a massive allied fire attack to successfully annihilate Cao Cao's chained fleet.