Guan Yu vs Zhuge Dan

Guan Yu, serving under Cao Cao, killed the enemy general Yan Liang in battle at Boma. This act demonstrated his martial prowess and loyalty to Cao Cao at the time. The victory helped Cao Cao's forces in the campaign against Yuan Shao.

After learning of Liu Bei's whereabouts, Guan Yu left Cao Cao's service, crossing five passes and killing six generals to rejoin his sworn brother. This act of loyalty became legendary, symbolizing unwavering commitment to one's oath.

Guan Yu led a campaign against Cao Cao's forces at Fancheng. He achieved initial success, flooding the city, but was ultimately defeated by reinforcements led by Xu Huang. This battle marked the turning point in his military career.

After the defeat at Fancheng, Guan Yu retreated but was ambushed and captured by Sun Quan's general L

Zhuge Dan commanded Wei forces at Dongxing against Wu. He led a premature assault on Wu fortifications, falling into an ambush. Wei forces were routed, suffering heavy losses. This defeat damaged his reputation and contributed to his later rebellion.

Zhuge Dan was appointed Inspector of Yang Province, giving him control over Wei's southeastern territories. This position provided him with military resources and autonomy. He used this power to prepare for his eventual rebellion against the Sima clan.

Zhuge Dan rebelled against Sima Zhao's regency, declaring loyalty to Wei. He allied with Wu forces and fortified Shouchun. Sima Zhao besieged the city for months. The rebellion failed when Wu reinforcements were defeated and Shouchun fell, leading to Zhuge Dan's execution.