八仙传之曹国舅鸣冤

"Fights of the Immortals"

After uncle Cao became a fairy, there was a resentment that he went to heaven. They found that the resentment was caused by the corpse demon king transformed by his brother Cao Jingzhi. In a battle, Uncle Cao sacrificed himself for his younger brother and the Demon King was enlightened, and Uncle Cao was reborn as the Eight Immortals.