Bo Pi

Bo Pi, a minister of Wu, accepted bribes from the state of Yue during negotiations after Wu's victory over Yue. This led him to persuade King Fuchai of Wu to spare Yue rather than annex it, a decision that later contributed to Wu's destruction.

Bo Pi continued to undermine Wu's defenses by slandering loyal generals like Wu Zixu and providing intelligence to Yue. When Yue invaded Wu, Bo Pi's actions facilitated the fall of the Wu capital, leading to King Fuchai's suicide and Wu's annexation by Yue.

After Yue conquered Wu, King Goujian of Yue executed Bo Pi for his disloyalty to his own state. Goujian considered Bo Pi a treacherous minister who could not be trusted, ending his life as a traitor to both Wu and Yue.