This article analyzes the Battle of Xiangfan through Sun Tzu’s strategies. Sima Yi urged Cao Cao to ally with Wu, luring Sun Quan with territory to attack Guan Yu’s rear. Arrogant Guan Yu ignored hidden threats, lost Jingzhou, embodying the cost of ignoring diplomatic and deceptive warfare principles.
Based on The Art of War, this article analyzes Guan Yu’s ruinous arrogance. Wu’s Lü Meng and Lu Xun used feigned weakness and flattering words to relax his vigilance. Guan Yu moved rear troops north, lost Jingzhou, and his defeat crippled Shu Han’s unification ambitions.
This article takes Jingzhou’s fall as a deception case for Sun Tzu’s rule. Eastern Wu used Lü Meng’s feigned illness and Lu Xun’s flattering letters to lull arrogant Guan Yu, bribed his discontented subordinates, and seized Jingzhou stealthily, costing Guan Yu his life.