This combination mainly depends on Cao Cao's AOE. Guo Jia has been selling blood heart and spades to Xiao Qiao, peach AOE to Cao Cao, and Cao Cao called AOE Xiao Qiao again, which is the ultimate output stream. If you don't succeed, you will die, cruel to the enemy and even more cruel to your own people. Coupled with Cao Cao's famous saying that "it is better to die than to die", it is called "the desperate array".