관우, also known as Guan Yu, is a historical figure from ancient China, renowned for his loyalty and martial prowess. He served as a general under the warlord Liu Bei during the late Eastern Han dynasty. His legendary status is celebrated in the historical novel Romance of the Three Kingdoms, where he is depicted as a symbol of righteousness and brotherhood. In addition to his military achievements, 관우 is often worshipped as a deity in Chinese folk religion, representing loyalty and justice. He is frequently associated with the color green and is depicted wielding a guandao, a traditional Chinese polearm. His legacy continues to influence Chinese culture, literature, and martial arts.