In the twenty-second year of Jian'an, after Liu Bei successfully occupied Yizhou, he sent an army to Hanzhong and fought with Cao Cao in the Battle of Hanzhong. In order to cooperate with Liu Bei's military operations in Hanzhong, Guan Yu took the initiative to send troops to attack Fancheng.
Sure enough, when Cao Cao heard about Guan Yu's Northern Expedition, he sent Yu Ban and Pound To support Cao Ren. Cao Cao's two-front battle made him very overwhelmed.
Twenty-four years after Jian'an, Liu Bei won a victory in Hanzhong. After Liu Bei occupied Hanzhong, Guan Yu did not stop the pace of the Northern Expedition and continued to advance north.
Coinciding with heavy rain, Guan Yu flooded the Seventh Army, captured him in the forbidden city, killed Pound, and threatened Huaxia.
Just as Guan Yu continued to attack north, Lü Meng had already sneaked into Jingzhou, and Mi Fang and the others surrendered.
At this time, Guan Yu fell into a situation of being attacked by the enemy on his stomach and back, and finally Guan Yu lost Maicheng and was killed.
The place where Guan Yu was killed was actually only twenty miles away from Liu Bei, so why did Liu Bei see death and not save it?
Zhuge Liang said that he could not blame the lord for this.
First, Guan Yu was besieged, something that Liu Bei did not expect, and he believed that Guan Yu had the ability to succeed in the Northern Expedition.
Second, Liu Bei did not receive news of Guan Yu's siege, and Liu Bei learned about it a few days after Guan Yu was killed.
When Guan Yu's troops were defeated and besieged, he did not inform Liu Bei, he felt that he did not have a face to see Liu Bei, so he only asked Liu Feng for help, but Liu Feng did not send troops, resulting in Guan Yu being killed.
After Zhao Yun knew that Guan Yu had been killed, he also felt a chill in his heart. Guan Yu's loss of Jingzhou was a turning point for shu Han and also laid hidden dangers for Liu Bei's wu.
In order to avenge Guan Yu, Liu Bei hastily launched a war, which led to the defeat of the Yiling army and heavy losses to Shu Han.