He was the fourth governor of Yong'an in the Shu Han Dynasty. He gave full support to Chengdu when Wei defeated Shu, and then disappeared out of thin air.

At the end of the Eastern Han Dynasty, the heroes came together and the lords fought each other. After decades of fighting, the original Eastern Han Dynasty was roughly divided into three major sections. These three sections are later, Wei, Shu, and Wu. Among the three kingdoms of Wei, Shu and Wu, only Liu Bei has the smallest strength.

At the end of AD 219, the super general Guan Yu who originally guarded Jingzhou, due to the deep lone army, was eventually made dumplings by Wei and Wu. As a result, Guan Yu was in despair. After Guan Yu's death, the strength of Shu quickly became out of balance, and many elite troops were wiped out by the enemy. Moreover, Liu Bei also missed a general.

After Guan Yu's death, it also meant that Zhuge Liang's strategy of "Longzhong Pairs" was difficult to realize.

In August 222 AD, Liu Bei was defeated in Yiling, completely dragging down the overall strength of the Shu Han. Later, Liu Bei was depressed and died in Baidi City. Before Liu Bei died, he handed over the power of Shu Han to Zhuge Liang and Li Yan. Liu Bei asked Zhuge Liang and Li Yan to jointly assist Liu Chan to govern Chengdu in order to accomplish great things.

However, for Zhuge Liang, the first thing to do is to calm the civil strife. Then, we must do everything possible to expedite Cao Wei to the Northern Expedition, because only the Northern Expedition can the power of the Shu Han last forever, otherwise the Shu Han will definitely not have an everlasting easy life. With this idea in mind, Zhuge Liang continued to expedite the Northern Expedition after quelling the Nanzhong-Menghuo Rebellion, until he died in the army in 234 AD.

After Zhuge Liang's death, the Shu Han was basically in the defensive stage. It was not until Jiang Wei became a general that he truly led the Northern Expedition.

As mentioned above, the kingdom of Shu founded by Liu Bei is the smallest, and Jingzhou, which was guarded by Guan Yu before, has fallen into the hands of the enemy. As a result, the Kingdom of Shu only occupied Yizhou. Although Zhuge Liang, Jiang Wei and others continued their efforts in the Northern Expedition, the territory of the Kingdom of Shu still did not expand much.

In 263 AD, Cao Wei Sima Zhao dispatched Deng Ai, Zhong Hui, Zhuge Xu and others, taking advantage of the strategy of the general Jiang Wei to turn to the land to attack Shu Han. Before and after, it took three months to settle the Xishu regime.

At that time,General Jiang Wei asked Liu Chan many times to let Liu Chan take military defensive measures as soon as possible. Unfortunately, Liu Chan never believed that Cao Wei would attack the Kingdom of Shu on a large scale and eventually missed the opportunity. However, after Liu Chan discovered that Cao Wei's soldiers and horses were really going to attack the Kingdom of Shu, Liu Chan made his last effort. First, he called his son-in-law, Zhuge Zhan, to resist Deng Ai.

Secondly, Liu Chan also secretly ordered a general of Shuzhong to support Chengdu, but before the general arrived in Chengdu, it is estimated that Liu Chan would surrender. So, who was the general who was secretly dispatched by Liu Chan at that time?

Actually, this general is the general that eunuch Huang Hao intends to promote. This person is the fourth Yongan governor of the Shu Han, and he is Yan Yu.

At that time, Huang Hao had many of his own members in the DPRK, and even the general Jiang Wei did not dare to fight Huang Hao head-on. Therefore, after the defeat of the Northern Expedition, Jiang Weicai chose to farm in Tazhong. In fact, his true purpose was to prevent Huang Hao from being mutilated. Even if a great general was like this, one can imagine how powerful Huang Hao was at that time!

According to the "Three Kingdoms" record, "In five years, Wei led many out of Han and Hou He, broken by Deng Ai, and still lived in Tazhong. The right general Yan Yu compares with Hao Xie, and Hao Yin wants to destroy Wei Shuyu. Wei is also suspicious. Therefore, he is afraid of himself and will not return to Chengdu." It seems that this Yan Yu still has a certain strength, at least he can directly use Huang Hao's power to drive Qingyun straight up.

So what kind of person is Yan Yu? What about his ability? According to the "Huayang Guozhi" written by Chang Wei: "Yan Yu, with the word Wenping, a native of Nanjun. Su has a good work, but a diligent work." This is the historical record of Yan Yu, except for "Su You Gongqian, Yu Apart from the 8 words of "work hard and diligent", it seems that there is no other superiority.

In other words, this Yan Yu is somewhat similar to a puppet, except that Huang Hao wants Yan Yu to be his tool of murder. However, Yan Yu did have some abilities. He was the fourth governor of Yongan in the Han Dynasty. Yongan is the Sichuan-Shu showdown, the main gateway city of Soochow.At the same time, Yongan is also the place where Liu Bei died.

Therefore, for Yongan's guarding, the State of Shu also attaches great importance to it. Yan Yu was a member of the Jingzhou faction in the Shuhan regime. He was practical and capable and made a lot of credit. In 258 AD, Yan Yu replaced Zong Yu and guarded Badong County. For defense, the border between Wu and Shu.

Because Yan Yu is on the side, military and political talents are still outstanding, so Liu Chan would think of letting Yan Yu lead troops to save Chengdu when Chengdu is in danger. According to the "Old Records of Xiangyang Qi", "Wei Zhi attacked Shu, summoned Yuxi to return, and constitutionally guarded Yong'an City." This is that Yan Yu asked Luo Xian to guard Yong'an at that time, and he himself brought 2,000 troops to Chengdu for rescue.

However, when Yan Yu led the army to Chengdu for rescue, Deng Ai had already led his troops through the deserted Yinping County, and Zhuge Zhan was also defeated by him. As a result, Liu Chan lost confidence completely, so he directly surrendered in the end. However, in the end, the 2,000 soldiers led by Yan Yu and he himself had no news. What happened?

.