In the novel "Romance of the Three Kingdoms," Guan Yu, Zhang Fei, and Liu Bei formed an alliance to fight against Cao Cao.

Their story has been passed down through generations and has become a classic in Chinese culture.

Meanwhile, Cao Cao's image has also received much attention.

He was a person with outstanding talent and political wisdom, known as the "eternal emperor."

His image holds an important position in Chinese culture and is widely used in literature, art, and other fields.