C296 Test in three river volunteers unrequited, upstanding ingenious methods (4)

"There's nothing strange. This King studies the culture of your Southern Empire deeply. There are military strategies and methods: know yourself, know your enemy, and be invulnerable to hundreds of battles." Since you are familiar with everything in the Southern Empire, it is not difficult for the Han people to say that. Actually, This King is the second son of the true female Taizu