Such a rapid march speed was also regarded by Zhuge Liang as "at the end of his strength, he cannot penetrate Lu Hao". Emergency march is not only prone to large-scale fallbacks, but also has extremely serious physical load on soldiers. The war horses suffered irreversible damage and could no longer be used as war horses in the future, and even the war horses died on the way to raid.

Therefore, in history, many large armies were not allowed to ride horses and could only walk when they marched. This was to avoid consuming war horses during the march, resulting in the loss of many horses when they arrived at the battlefield.

When Li Cunxu was training soldiers and marching, in order to ensure the continuous combat capability of horses during combat, he once ordered that "cavalry should not ride horses without seeing the enemy", and strictly restrained the soldiers, and the highest punishment for soldiers who violated this military order can be asked to be executed. It was not because Li Cunxu did not want to use horses to increase the speed of the march, and in order to ensure that the cavalry had sufficient impact in combat, such a government order was also a helpless move to take the minority of the two evils.

In the carriage, Gongsun Xiu and Deng Ai sat down face to face, spread the map on the table, Deng Ai pointed to the Maruno City marked on the map, and said seriously: "At present, the army is lurking at night, hiding at night, and traveling slowly, but it is still in seclusion and silent. When the army arrives near Heshenggu City, it will be launched to march quickly and attack with five thousand light cavalry. The enemy's garrison here is weak. After breaking through one fell swoop, they will occupy it. When the baggage troops behind arrive, they will enter this city as a stronghold. At that time, if they cross Yannshui, Maruno City will be less than 500 miles away."

Gongsun Xiu nodded and smiled, "Gu can already imagine how frightened his face would be when the King of Dongchuan learned that the 20,000 Yan troops suddenly appeared in Heshenggu City."

Deng Ai smiled and said, "Ma Yu led his army to attack Goguryeo and raided for our army. The King of Dongchuan was frightened and might surrender on the spot."

Gongsun Xiu shook his head and smiled, saying, "Of course, he is unable to protect himself now. If he cannot surrender, he will die."

While the two were talking, they heard the noise outside. Gongsun Xiu unveiled the curtain of the car and looked up. The front army stopped in front, and the marching central army and rear army also stopped.

He frowned and asked, "Go and see what happened to the former army?"

The personal soldiers took the order and rode their horses to the front. After a while, the Pegasus came back and said, "Your Majesty, it was Deng Xianfeng who ordered the front army to wear armor."

There were only two leaders in the Yan army named Deng, one was General Deng Ai and the other was Deng Zhong.

Gongsun Xiu smiled playfully: "How did Deng Xianfeng order the front army to wear armor?"

The personal soldiers said: "King, Mr. Deng said that the terrain ahead was not conducive to our army, and there might be ambush. I ordered the front army to wear armor first to avoid ambushing."

In ancient times, soldiers rarely carried heavy and armor on their backs. They only put their armor on their backs and put their horses on their backs during emergency battles. This is also a way to save energy. Of course, in the history of ancient wars, there were many cases of attacks and chaos on the march halfway.

He immediately realized, nodded, turned to Deng Ai and said, "Shizai, a tiger father has no dog son. Deng Zhong is rigorous in his work and has a good attitude towards life."

Deng Ai thought that his son had finally made progress and smiled and said, "The king had given me a prize. My son was stupid and young. I hope the king should not give me too much praise to avoid his pride in his heart."

Gongsun Xiu laughed and praised: "Don't worry, I have always had a clear distinction between rewards and punishments."

The army marched along the Liangshui River, but did not encounter any obstacles along the way. They were all deserted paths. Instead, they were advancing into the Liangshui River boundary and were seen by the border troops patrolling nearby. After all, it was difficult not to be seen without seeing the traces of tens of thousands of people. Deng Zhong immediately led the army to charge and encircle and suppress all the border troops.

There were only a thousand people in the border army, so of course they were not the opponent of the Yan army. Deng Zhong led his army to chase and killed him on the banks of the Liangshui River. He cleaned up the mess and suddenly looked up. Three Goguryeo soldiers jumped into the beacon tower with burning firewood.

The beacon tower itself was filled with dry grass branches, which was very easy to burn, and only a fire was missing. In an instant, yellow smoke rose into the sky and spread across the sky. Deng Zhong's face immediately changed color: "Not good!"

Once the beacon tower was lit, yellow smoke rose to mid-air. Every ten or eight miles away, Goguryeo soldiers saw it and lit the beacon tower, one guided to another, and could reach hundreds of miles away almost within two hours.

Deng Zhong hurried back to report and smiled bitterly: "When the border army saw the traces, the beacon tower had been lit. The incident of our army's sneaking march was probably spread to Marudu City."

As soon as this said, Deng Ai's face turned gloomy and shouted: "You are just a thousand border troops. If you lead more than ten thousand troops, you will not take down the beacon tower first. This battle will lead to your crime from you. Today, you will be beheaded ten times, and you will not be able to make up for your mistakes."

Deng Zhong knelt down on the ground, his whole body trembled, and said hurriedly: "I will be guilty and I wish to make meritorious service."

When Gongsun Xiu heard that the beacon tower was ignited, it meant that it would be transmitted to Marudu City in a few hours. He felt troubled and frowned and said, "Shizai, now the entire army is attacking, can it proceed as planned?"

Deng Ai glared at his son with a heart-warming look, knowing that the army's sneaking is not a one-man move, but it is sooner or later that the border army finds it, and immediately said: "Don't worry, the last general will not bear the heavy responsibility if he fights to death. It only takes five days to chase from Liangshui to Gucheng. The general who guards Gucheng is not prepared and cannot form any effective defense and soldiers in five days. Arrival in five days, rest in one day, and attack the city in two days, and will definitely break it."

Gongsun Xiu knew very well that Deng Ai was best at long-distance raids and using troops in a weird way. He said that if he could arrive in five days, there would be no problem. Six hundred miles could almost exhaust the army, and the war horses would be exhausted. It would be no false to rest for one day to make an adjustment, and to attack and defeat it in two days.

He pondered: "You have to do this and you must not make any mistakes. The light cavalry marched 600 miles in five days, which was the end of their strength. Fortunately, there was no force to garrison in Gucheng. They were basically the people who served in the military. The two were at most straightforward and did not have the advantage. Moreover, after you occupy Heshenggucheng, the King of Dongchuan would also order the army to attack. During this period, you must hold on and wait for the infantry and cavalry army led by Gu to arrive for support. Six hundred miles - Gu will have to go for fifteen days at the fastest. Can you stop it?"

Five thousand light cavalry marched 120 miles a day, and arrived at their destination within five days. They had to break the city and defend the city. After all, the light army was almost in a hurry and had almost no spare food. After occupying the city, there was food to feed in the city and it was temporarily supported, and it also had to block the reinforcements from Goguryeo. It was not until half a month later that the slow baggage army could arrive.

Deng Ai was eager to plan to be destroyed and quickly remedy it, and secondly, he was to make meritorious contributions to save his son's life. After all, the military orders were as good as a mountain, and it was a great crime to miss the opportunity to fight. Although he scolded Deng Zhong with his mouth, after all, the father and son had a deep affection, he had to try his best to remedy it.

"The king, the last five days and six hundred miles will be captured in the city in two days. If there is food in the city, eat grain. If there is no food, kill the horse and eat it. If there is food, don't worry about the reason for the food and grass. It will definitely last until the day when the king gets on the carriage and arrives at Heshenggu City."

Deng Ai also knelt down and said in a hurry.
Chapter completed!