Chapter 100
— Raiding A Camp, The Shu Soldiers Defeat Cao Zhen; Contesting Array Battles, Zhuge Liang Shames Sima Yi.
The insubordination that costs him his head. Told by Deng Zhi to beware of an ambush on the way out of the Gu Valley, he answers 'Why is the Prime Minister so full of doubts?' and then, flatly, 'If he was really so resourceful, we should not have lost Jieting.' Takes five thousand men ahead on his own authority to camp at Qishan and shame the Prime Minister, hears the bomb a few miles on and is surrounded 'as in an iron cask'; Wei Yan cuts him out with about five hundred wounded men left. Then tries to put it on Wei Yan at the apology - 'Wei Yan told me to' - and Zhuge Liang refuses it: 'Would you still try to drag him down after he rescued you?' Beheaded, and his head brought in before the assembled generals.