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Just as Qin and Chu prepared to counterattack, disaster struck Wu: Prince Fugai, Helü’s brother, rebelled, declared himself king, and allied with Yue state, promising five cities as reward.
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In 506 BCE, King Helü of Wu launched a full-scale invasion of Chu, appointing Sun Tzu as supreme commander, Wu Zixu as deputy general, and his brother Prince Fugai as vanguard.
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Wu, originally a backward state, was able to rise rapidly largely due to the strong support of Jin. This was because Jin suffered a defeat in the Battle of Bi in 597 BCE. Jin then adopted the strategy of allying with Wu to jointly confront Chu. Consequently, Jin imparted considerable military technology to Wu,…
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After slipping through Zhaoguan Pass amid the chaos of Huangfu Ne’s arrest, Wu Zixu fled eastward with Gongzi Sheng, the young son of the slain Crown Prince Jian. Exhausted and pursued, they reached a wide river with no bridge in sight. Dust clouds rose behind them – cavalry in hot pursuit.