Bian Xi

Bian Xi  was a fictional member of the Yellow Turbans who later serves Cao Cao. He is one of the several generals slain by Guan Yu during his journey to reunite with his brothers.

Romance of the Three Kingdoms
In the novel, Bian Xi was born in Bingzhou and is a renown master of the shooting star. In chapter 27, he is guardian of SiShui Pass and welcomes Guan Yu with false hospitality. Promising to explain Guan Yu's actions to Cao Cao, he invites his guest to visit Zhen Guo Temple where he had 200 troops waiting for an ambush. However, the priest of the temple, Pu Ji, reveals the ploy to Guan Yu. Having been forewarned, Guan Yu easily defeats the ambush and slays Bian Xi by cutting him in half.