1. Li Kui beating Yin Tianxi to death comes from Chapter 52 of "Water Margin": In order to force Zhu Ding to go to Liangshan, Wu Yong ordered Li Kui to kill Xiaoyanei, the son of the Cangzhou magistrate, and Zhu Ding liked it very much. Xiaoyameni therefore hated Li Kui who killed Xiaoyameni so much that he wanted to fight with his life. So Li Kui could only stay in Chai Jin's house temporarily to avoid Zhu Dian, while Zhu Dian went to Liangshan with the others.
2. Li Kui lived in Chaijin Village for a month, and then something happened. Chai Jin's uncle Chai Huangcheng lived in Gaotang Prefecture, and Gao Lian, the prefect of Gaotang Prefecture, had a brother-in-law named Yin Tianxi who loved to bully others. Yin Tianxi took a fancy to Uncle Chai Jin's manor, so he wanted to use his brother-in-law's power to seize Uncle Chai Jin's manor.
3. Chai Jin’s uncle Chai Huangcheng was so angry that he fell ill because of this incident. After Chai Jin heard the news, he took Li Kui to Gaotang Prefecture. By the time Chai Jin arrived in Gaotang Prefecture, Chai Huangcheng was already dying and died not long after.
4. Later, when Chai Jin was organizing a funeral for his uncle, Yin Tianxi and others came to make trouble again. Chai Jin wanted to persuade them to leave with reason, but he was almost beaten. Li Kui on the side beat the leader Yin Tianxi to death in a rage.
5. The reason why Yin Tianxi was killed by Li Kui was that he seized Chai Jin’s uncle’s manor by force and made Chai Jin’s uncle angry to death. Li Kui happened to be living in Chai Jin’s mansion to avoid Zhu Dian at the time. In a rage, he beat Yin Tianxi to death.
6. It can be said that Yin Tianxi’s death was mainly due to himself, but Li Kui’s killing behavior was also a bit reckless and impulsive. He killed Yin Tianxi but caused Chai Jin to be arrested by the government. Later, in order to save Chai To advance, all the Liangshan heroes wasted a lot of strength.
7. Li Kui is an important character in "Water Margin", one of my country's four famous novels. He is a Baizhang Shuren in Yishui County, Yizhou. He was later exiled to Jiangzhou for beating someone to death. Because of his dark and rude appearance and his reckless and bold behavior, he was called the Black Whirlwind by the world. He ranked 22nd among the heroes of Liangshan.