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At night, in the Han army's central tent, more than a dozen major generals and strategists gathered together. Several engaged in the army assembled a huge Hefei City model and placed it on the wooden platform in the middle of the tent.

Liu Jing stared at the model for a moment and said to Wei Yan and Wang Ping: "Today are the two generals who are mainly attacking the city. I want to hear your feelings."

Wei Yan believed that his qualifications and status were far higher than Wang Ping. He took the initiative to say it first. He went forward to pick up the wooden pole and pointed at the city wall and said, "The siege was not smooth today. It can be seen that Cao's army was very well prepared, and the soldiers guarding the city cooperated tacitly and had a very orderly manner."

"To put it specifically, how can there be a rule?" Liu Jing asked.

Wei Yan thought for a while and said, "For example, the defense of Cao's army is very layered. When the trench is in the foot, the trench machine throws a huge rock. When entering the foot, the trench machine stops and changes the city to defend the city. When the city is approaching, the wooden rocks are smashed down. When the siege is halfway through, turbulent oil is immediately poured on the side horse wall, and rockets are shot out. The soldiers and the siege ladder are engulfed by the fire. It can be seen that the opponent has a very obvious defensive cover, which is well organized and not confused. Beizhi believes that this is the main reason why we did not capture the city."

Liu Jing nodded and asked Wang Ping again: "What about General Wang's opinion?"

Wang Ping bowed respectfully and said calmly: "I basically agreed with General Wei's opinion. Cao's army was indeed well prepared and well-trained. The most obvious thing was that the northern section of the west city was attacked by our soldiers, but Cao's reinforcements came very quickly, which made us lose all our efforts. Bei Zhi believed that Cao's army should have a general command point to detect the crisis in the city walls in time."

Fa Zheng next to him smiled and said, "General Wang is right. In fact, this wooden city is not complete. There are still two tall towers in the city. In my memory, these two tall towers only appeared at the beginning of the year. This must have been specially built by Zhang Liao to command the defenses of all parts of the city. This is an innovation that made Zhang Liao's guarding the city like an iron barrel and without any flaws."

At this time, everyone looked at King Liu Jing of Han. Everyone knew that King Han asked Wei Yan and Wang Ping to say first, just to throw bricks and attract jade, to talk about the disadvantages, and then to talk about countermeasures.

Liu Jing glanced at everyone, then pointed at the city with a wooden pole and said calmly: "There are many defenders in Hefei City, with at least 50,000 or 60,000, and there are sufficient food and grass. According to the information I received, there are 40,000 barrels of tincture oil alone, and Zhang Liao did not shoot out the bee crossbow iron arrow today, which means he is confident. The Cao army obviously wants to fight a protracted war with us. I am considering whether we can turn the Hefei battle into a battle that will drag down the financial and material resources of the Wei Kingdom. We also fight a protracted war with the Cao army, forcing the Wei Kingdom to always be in a state of war."

Everyone did not understand what Liu Jing meant, how could he be in a state of war? Pang Tong understood. He stroked his beard and smiled, "Your Highness meant that not only attacking Hefei, but also launching false attacks on the other battlefields, forcing Cao's army to respond in full. You must know that once the whole country enters a state of war, the consumption of money and food will double compared to usual, and a large number of civilians will be collected. In fact, both sides are competing for national strength, and in the end, who has better national strength."

Liu Jing nodded and smiled, "Military Pang said it well. If I had not destroyed the Xiongnu and Wuhuan, I would not dare to make such a heavy bet. However, in the process of destroying the Xiongnu and Wuhuan, we seized a large amount of livestock and fur, and even countless gold and jewelry. A few days ago, the Xiongnu New Chanyu sent people to negotiate with us, hoping to exchange cattle and sheep for prisoners of war. The conditions they offered made it difficult for me to refuse. I used 50,000 sheep to exchange for tens of Xiongnu prisoners of war and 100,000 women and children. If I had the support of these 50,000 sheep, I could use the war to completely drag down Cao Wei. In the end, Cao Cao had to ask me for a truce."

Only then did everyone realize that Liu Jing's deep thought was to use the Battle of Hefei to drag down the financial resources of Wei and make them look at each other. This was a war they had never been exposed to, which was simply incredible to them.

Huang Zhong immediately said: "Ministry fully supports His Highness the idea of ​​His Highness the King of Han."

With Huang Zhong leading the way, everyone expressed their approval. At this time, Liu Jing smiled and said, "Since this is the decision, we will change our way of siege from tomorrow."

...........

That night, Liu Jing mobilized 50,000 troops outside the northern city to start transporting soil and pile up the mountains. They transported a large number of huge rocks from afar, piled up and rammed them into the foundation, and covered them with soil on the pile of huge rocks, layer by layer of soil and wood, and rammed them firmly.

On the top of the city, Zhang Liao looked at the Han army building mountains with complicated eyes. He knew very well what the Han army was doing. Once the earthen mountain was built, the Han army would condescend to attack Hefei City with heavy stones.

After pondering for a long time, Zhang Liao immediately ordered: "Transfer my order, mobilize 20,000 troops to demolish all the houses in the city, and use soil and stones to accumulate a mountain of earth in the northern city."

Zhang Liao's response was to build a brick, wooden and earth mountain in the city to fight against the Han army.

............

Ten days later, the earth and stone mountains outside the northern city had basically been formed, covering an area of ​​more than acres and reaching ten feet high. It was a huge hill. In order to transport heavy trenchers, the Han army built a wooden platform more than ten feet behind the trenchers and hung various parts of the trenchers to the top of the mountain.

The top of the mountain is more than ten acres, and the land is flat and wide. Famous craftsmen are busy assembling heavy catapults. The earthy mountain stands tall, posing a huge threat to Hefei City.

But Cao's army was not outdone. Zhang Liao ordered the demolition of all the houses in the city, and used bricks and stones to accumulate a ten-foot-high earth mountain near the northern city. Although it was slightly smaller than the Han army's earth mountain, dozens of stone scattering machines could be placed on the earth mountain, which was against the Han army.

Liu Jing stood on the Tushan outside the north city and visited the city. The Hefei wall was only four zhang high, far lower than the Tushan twelve zhang high. It was high above the Tushan, and the situation inside the city was completely visible.

All the residents in the city had long been evacuated, half of the houses had been demolished, and there were ruins everywhere, and there were ruins everywhere. In the center of the city, dozens of huge stone houses were built with huge stones. It should be the main site of Cao's army's warehouse, and the warehouse was surrounded by tents. They were Cao's army camp tents, all of which were outside the range of arrows.

But Liu Jing's eyes were more on the earthen mountains standing in the north city. The earthen mountains built by Cao's army were about two steps away from the Han army's earthen mountains. They could be shot with bee crossbows and catapults. The catapults were also busy installing the top of the mountain.

Liu Jing couldn't help but secretly praised Zhang Liao for his good defense in defending the city and never let himself be passive. Instead, he responded. The Han army built earthen mountains and he also built earthen mountains. This is indeed the best defense method to deal with high-altitude ejection.

Liu Jing saw the commanding tower of Cao's army again, which was five meters high, close to the earthen mountains in the city. The platform at the top was filled with various flags. This was one of the targets that the Han army had to destroy.

At this time, Wang Ping rushed up to report: "Your Highness, the craftsmen have equipped twenty trench stone machines. Can we seize the opportunity?"

Liu Jing looked at him and said, "You are the leader of the North, so you don't need to ask me about such things."

"Unclear job"

Wang Ping immediately ran back and shouted loudly, "Prepare to throw tincture oil."

Liu Jing then turned around and walked down the mountain. The Han army on the top of the mountain began to quickly prepare for attack. Fifty-pound tins of tincture oil were put into the stone throwing bag, and the throwing rod began to squeak open.

Just as Cao's army was transporting trenchers to the top of the mountain, the Han army on the top of the mountain outside the northern city had equipped twenty heavy trenchers. They seized the initiative and launched a sudden attack. Twenty huge thin-skinned pots filled with tinder oil flew away and roared towards the earthy mountain in the city.

One after another, the pottery pots hit the earth mountain in the city. The pottery pots broke and the tincture oil flowed all over the ground. At this time, a huge fire ball crossed the sky and hit the earth mountain, and suddenly lit the tincture oil all over the ground. The fire spread rapidly. In just a moment, the raging fire swallowed the entire mountain.

Several craftsmen and soldiers on the top of the mountain evacuated as soon as the turbulent oil was smashed. Dozens of trenchers that had not yet been installed were also engulfed by the fire. The Cao army soldiers on the city wall whineed. They competed with the Han army, but in the end they failed. If they were given another hour, perhaps they could also install several trenchers, and the situation would be different.

Zhang Liao stared at the fire on the top of the mountain with calm eyes, but there was no regret on his face, which was as expected, but this did not mean that they had no chance.

At this time, the commander wooden platform next to the Tushan Mountain in the city was also hit by tinder oil and began to burn rapidly. Zhang Liao whispered to a subordinate, and his subordinates immediately ran away.

Zhang Liao waved his hand again, called a captain to him, and said loudly to him: "The next step for the Han army must be to attack the city walls in fire, and the soldiers on the city must evacuate immediately."

The bell rang on the top of the city, and thousands of Cao soldiers on the north city quickly evacuated to the east and west cities. Sure enough, just as Cao's army evacuated quickly, the Han army's catapult began to turn and throw turbulent oil at the top of the city, mixed with a fireball, and the city also began to burn.

Several Cao army soldiers had no time to evacuate and were surrounded by fire. Thrilling screams sounded on the top of the city. Many soldiers were on fire and jumped off the top of the city regardless of everything and fell to death on the spot.

As early as the construction of the Han army's Tushan was about to be completed, Zhang Liao ordered the evacuation of the catapult, bee crossbow and stubble on the top of the city, which made the Han army's offensive rapid, but the Cao army's losses were not great.

At this moment, dozens of huge rocks were accidentally projected from the earthen mountain in the north city, and the huge rocks roared towards the top of the Han army's earthen mountain. The Han army was caught off guard and was immediately smashed to pieces. Recently, more than a dozen catapults were smashed. Recently, famous Han soldiers were injured, and the top of the mountain was suddenly in chaos.

This was an unexpected counterattack. Seeing that the fire on the top of the earth in the city was slightly smaller, Zhang Liao ordered people to continue pouring carbohydrate oil in front of him, that is, crude oil that had not been refined. This crude oil is prone to produce rolling black smoke, obscuring the Han army's sight, giving people the illusion that the entire mountain is burning.

In fact, the fire in the second half of the top of the mountain had been extinguished. Cao's army secretly carried dozens of medium-sized catapults up the mountain. Under the cover of thick smoke, they suddenly launched a counterattack on the Tushan Mountain of the Han army outside the city.
Chapter completed!