As the sound of the Wei horses faded, the officials in Xicheng collapsed in relief, drenched in cold sweat. They asked Kongming how he knew it would work.
"Sima Yi knows I am careful," Kongming replied, setting his instrument aside. "I used his own intelligence against him. He could not believe I would be so bold, so he convinced himself I was being clever." 2 : Kongming Uses a Stratagem
Approaching him was , leading a massive force of 150,000 elite troops. To fight was suicide. To flee was impossible. As the sound of the Wei horses faded,