Cao Cao (KoV2)

Playable

 * Get 4 of Cao Cao's Generals to surrender, Xia Hou Duan, Zhang He, Xu Huang & Xia Hou Yuan. You must be level 18, and save Cheng Yu from Cao Cao's attack by blocking.

Playable in Nine Dragon version

 * Use two urns (blue dragon, red sparrow, white tiger or black beast) simutaneously and defeat him with the commoner's scroll while the urns are still in effect.