"Zhao Shu * Li Mu Biography" contains: Li Mu's majesty resigned, and the king asked him as a county guard, and said: "You must use the ministers, and the ministers are like before, but dare to obey the order!" ”

After a short period of greetings, the topic of Li Mu and Zhao Dan turned to the war in Yanmen County. Zhao Dan asked with concern: "It is said that a total of 100,000 Xiongnu troops have invaded Yanmen County, can they really be driven out of the country within two months?" ”

Li Mu replied confidently: "First of all, the Xiongnu are essentially no different from the Liukou. They don't know the reason for running the country, nor do they know how to run the locality, and what they invade the Central Plains is just money, and usually they grab where they go, which determines that they cannot win the support of the common people. Secondly, the Huns' combat theory can be summarized as: relying on horses to achieve rapid transfer, in order to achieve the effect of avoiding the strong and attacking the weak. As long as the army fights its main force well, and let it see the strength of the Zhao army, it will definitely flee on its own, so two months is more than enough. ”

Zhao Dan nodded with satisfaction, and then continued to ask: "This brazen invasion of the Huns, whether it is for the face of the country or for the sake of the suffering people, revenge is necessary, do you have any thoughts now?" ”

Li Mu had already thought of his words, and he replied smoothly: "The minister thinks that when to launch a revenge war mainly depends on Handan's support. If the imperial court is willing to give me 10,000 elite soldiers, and the grain and grass are raised by me, then I can lead the army to counterattack the grassland in three years; If the government and the opposition give me 50,000 elite soldiers and some grain and grass, then I can go straight to the enemy's nest in two years; If the imperial court gives me 100,000 elite soldiers, and the food and grass are all available, then I am confident that I will be able to expand the territory in less than a year. ”

"You always say how about me, do you want to be reinstated as the county guard of Yanmen?" Zhao Dan asked quippedly.

"If the king really wants to reuse me, I hope that the king will allow his ministers to continue to act as before, and promise that there will be no doubts, so that the general will dare to obey the order." Li Mugong bowed to Zhao Dan respectfully, and replied in a sincere tone.

"Lone promised you here today, after the war is over, wait for the edict of promotion to be issued!" Zhao Dan solemnly promised: "At that time, I will give you 50,000 elite troops and enough grain and grass, I hope you can do what you say!" ”

"As long as the king makes a promise, the minister promises to be able to smash the enemy's nest directly, so that the enemy will not dare to go south to herd horses for at least ten years!" Li Mu replied excitedly.

"Let's go, wait for the good news of Lonely!" Zhao Dan said encouragingly: "Lone is also waiting for your good news!" ”

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On the fourth day of the first month of September, Tian Dan and Li Mu only left Handan with nearly 100 guards. There is no golden drum to send each other, there is no army to accompany them, only a few old friends and a few cups of tea, and the Zhao people of later generations rated it as "the most low-key expedition".

On the sixth day of September, Tiandan arrived at the Xiongguan of Yanmen in Gouzhu Mountain. In the villages and towns under the wall, many generals who came in advance of the Tiandan Conference solemnly took over the command of the 100,000 army from Lian Po. At the same time, Li Mu led 10,000 elite soldiers to cross the wall non-stop and enter Yanmen County to gather the old department.

On the eighth day of the ninth month, 90,000 Zhao troops gathered at the foot of Gouzhu Mountain, and the army swore to send troops under the auspices of Tian Dan. Carriages, horses, and pedestrians with bows and arrows at their waists, one after another teams pulled out from the foot of the mountain, successively crossed the majestic wall, and marched towards the battlefield of Yanmen County.

On September 10, Tian Dan led a large army to the outer gateway of Yanmen Xiongguan, the military town of Mayi. Because the main force of the Xiongnu needed to besiege Shanwucheng, the Xiongnu army that attacked Mayi was only more than 10,000 people, and it was mainly composed of the Xiongnu's vassal tribes, and its combat effectiveness was quite average.

The city guard of Mayi City is Li Mu's old general, and he has already received Li Mu's eagle letter two days ago. When the Zhao army sent a large army outside the city to attack the Xiongnu army, more than 1,000 soldiers and horses in the city also took the opportunity to go out of the city to attack the enemy. In this battle, the Zhao army killed 3,000 enemy soldiers and captured 7,000 enemy soldiers.

On September 11, the victorious Zhao army took Mayi as a foothold and sent troops on all sides to clear out the Xiongnu enemy soldiers wandering around. When the people heard this, they ate pot pulp to comfort the king. That night, Li Mu sent an eagle letter: Good no city was broken, the Huns went south, and Tian Dan pressed it in the name of disturbing the army's heart.

In other words, how was the city breached? This matter has to start from five days ago.

On the sixth day of the ninth month, after receiving the news of the gathering of Zhao army reinforcements, Xiongnu Shan Yu immediately ordered a large army to attack the city. At this time, the city of Shanwu had been built like an iron bucket in peace, and the Huns returned again in vain after leaving more than a thousand corpses. That night, the distressed Shan Yu decided to kill the prisoner to vent his anger in order to avenge the loss of the soldiers.

The former Zhao army general, who was greedy for life and afraid of death, said at a critical moment, saying that he was willing to serve his life and help the Xiongnu army capture Shanwu City in one fell swoop. Shan Yu was overjoyed when he heard this, gave him the name Hutu, and ordered him to serve around him to give advice.

On the seventh day of the ninth month, at the suggestion of Hu Tu, Shan Yu transported the bed crossbows, cocoon carts, rushing carts and other siege weapons stored in the occupied city to the city of Shanwu. Subsequently, Hu Tu and other Zhao traitors commanded the Huns to use many siege weapons to attack Shanwu City again.

For the sudden and sharp attack of the Huns, the Zhao army defending the city was caught off guard for a while, and attacked the city for the Hun soldiers many times. Fortunately, the general Yingling braved the enemy's sharp arrow rain to rescue everywhere, and was able to hold on until the night. On that day, the Xiongnu army suffered more than 3,000 casualties, and the Zhao army was on a par with it.

On the eighth day of the ninth month, the Huns changed their offensive tactics again, and Hu Tu and other Zhao traitors ordered the Huns to fire tens of thousands of rockets into the city around noon.

The dry climate and flammable houses gave the conditions for the fire to spread, and the fire grew so large that it was completely impossible to extinguish. For a whole day, the fierce attackers of the Xiongnu army did not have the city, and the Zhao army held on for another day in difficulty. On that day, the Zhao army suffered more than 5,000 casualties, while the Xiongnu army suffered nearly 3,000 casualties.

On the ninth day of September, Li Mu led 5,000 cavalry to appear in the rear of the Xiongnu, and the Xiongnu sent more than 10,000 elite soldiers and horses to confront. After several attempts, Li Mu felt that he could not defeat it, so he reluctantly dismissed the idea of raiding into the city, but he still harassed the Hun army from time to time, hoping to reduce the pressure on the defenders of the city