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This was the seven thousand cavalry led by Pang De who caught up with Cao's ration ships. They ran on the west coast and rushed northwards.

The two thousand soldiers guarding the grain ship on the west coast were shocked and lined up to compete with the Han soldiers. The chief general of Cao's army who was in charge of escorting grain was Zang Ba. He was anxious and shouted loudly: "Cross the line and intercept the fleet first."

In a panic, the fleet accelerated, and the Cao army soldiers on the east coast rushed to the shore, raising bows and arrows, preparing to support the Cao army on the west coast.

At this moment, the Cao army soldiers on the east bank suddenly had a chaos, and overwhelming arrows shot from behind them. In the darkness, several warships appeared at the edge of the Concubine Lake not far away, which was the Xinhu that had just formed.

The warships were not big, only about five stones, but the ship was filled with dense Han soldiers. This was the navy that Gan Ning led the navy to fight out.

As the ship docked, tens of thousands of Han soldiers jumped off the boat, waved spears and swords, and shouted at Cao soldiers on the east coast.

The Cao army soldiers were caught off guard and suddenly became in chaos. In the dark night, the Cao army soldiers on the east coast were in chaos and rushed to flee north. Many people fell and were trampled, with countless casualties and injuries. Crying and shouting were mixed with the dense rain of arrows from the Han army. In just an instant, the Cao army on the east coast collapsed.

But the Han army did not pursue the defeated soldiers. Their target was not soldiers. Their target was grain ships. Ten thousand Han soldiers all shot arrows at the Cao army's ration fleet. The arrows were like raindrops on the canal. On the ship, the Cao army drilled into the boat shed. Many rowers could not dodge and were shot by arrows, screaming and falling into the water.

Some Cao army soldiers also shot arrows on the shore, but the number of Cao army soldiers was small and too scattered. Under the intensive shooting of Han soldiers, Cao army soldiers suffered heavy casualties. Even Cao army soldiers hiding in the shed could not escape the shooting of strong crossbows and were shot dead in the ship.

Soon, the fleet that had been more than ten miles long stopped moving forward, all moored in the river, waiting for the Han army to deal with it. At this time, the Han cavalry on the west bank rushed into the Cao army like a storm. The powerful impact force rushed into pieces of Cao army soldiers. The swords swept up blood and the heads flew into the sky. The huge fear made the Cao army soldiers no longer have the will to resist.

In less than a quarter of an hour, the resistance of the two thousand Cao soldiers collapsed. Zang Ba killed a bloody man to escape in the chaos, but the two thousand soldiers under him were not as lucky as the soldiers on the east coast. The Han army galloped, surrounded the two thousand Cao soldiers and cut off all their retreats. The Cao soldiers were desperate and knelt down and surrendered, begging for mercy...

About half an hour later, Gan Ning led several Han army clutches to arrive and controlled Cao's ration ships. The fleet began to turn around slowly and head towards Feihu, which had just formed. The cavalry team also escorted the prisoners of war to quickly run towards Lu'an County to the west, and soon disappeared into the night.

Cao's ration ship was intercepted by the Han army at midnight. When Cao Ren received the news from Zang Ba, it was already time for the time to go, and the Han army's fleet and cavalry had already left.

In the northern city of Hefei, thousands of soldiers held torches and shone the entire northern city gate as daylight. In the northern city gate, Cao Ren was wearing a helmet and armor, and rode on the war horse with a big sword in his hand. Behind him were the dense Cao army soldiers, with more than 20,000 people.

Cao Ren's food ship was intercepted by the Han army, which was undoubtedly a great humiliation for Cao Ren. When Zhang Liao was in Hefei, the food and grass were never lost. As soon as he took over as the commander of Hefei, he was robbed of tens of stones of grain. Cao Ren's face could not be held back anyway.

Cao Ren ordered Zang Ba to beat another army and ordered 20,000 troops, preparing to go and recover the grain ship in person.

"Please calm down and calm down"

Sima Xinpi stopped in front of Cao Renma and advised him hard: "The Han army was running water, and the grain ship was gone, and there were no traces of search. Besides, there were seven thousand cavalry. If the general attacked hastily and was ambushed by the Han army, it would be a trivial matter. If the general had an accident, Hefei would be unable to be protected. Please think about it."

After Xinpi's repeated persuasion, Cao Ren's anger calmed down slightly. He was about to order the army to return to the camp, and at this moment, a harsh alarm bell suddenly came to the top of the city, and the sound of the bell was very rapid.

Cao Ren was shocked and urged his horse to run towards the city along the corridor. Standing on the city, he was shocked by the situation in front of him. He saw a long fire dragon in the wilderness southward, and the fire dragon was ignorant at a glance.

In the south of the city, fire dragons have begun to gather, more and more, like stars in the sky, and like a sea of ​​fire, with its spectacular vastness.

The Cao army soldiers on the city trembled with their legs and their faces were pale. The main force of the Han army, who had just been withdrawn for only a month, came back again.

Cao Ren's heart seemed to sink into the abyss. Liu Jing returned, obviously he had planned it for a long time, and seemed to be waiting for Hefei to change his generals. Could it be that Cao Ren's reputation will be in Hefei for the rest of his life?

Cao Ren resolutely turned around and shouted: "Send the order, the army under the city will go to the city to defend immediately."

Cao Ren changed his plan and originally wanted to lead 20,000 troops out of the city, but now he does not leave the city, but instead turns to defend the city. The 20,000 Cao's soldiers rushed to the top of the city, tense, preparing to fight to the death with the Han army.

Cao Ren stared at the sea of ​​fire under the city. He felt a little strange in his heart. The Han army rarely attacked in such a big momentum, and seemed to prefer to attack silently. He couldn't help but say to himself: "Why did the Han army create such a big momentum?"

Suddenly, Cao Ren seemed to have thought of something, and suddenly turned around and looked at the earthen mountain in the north of the city. The dark mountain stood outside the city, and the moonlight projected its huge black shadow into the city, and half of the city was shrouded under its cover.

.........

Since the Han army retreated south, Cao's army occupied Tushan outside the northern city. Zhang Liao built a wall on Tushan and stationed fifty soldiers. After Cao Ren took over Hefei, he did not withdraw the troops on Tushan, but instead increased the soldiers stationed at Tushan to the people.

Both Zhang Liao and Cao Ren knew very well that this earthy mountain threatened the safety of Hefei. It was unrealistic to move it away or remove it, so it could only be controlled by Cao's army.

Let us push the time forward for an hour. At two updates, the sea of ​​Han arms had not yet appeared in the south of the city. Everything around Hefei was silent. More than four soldiers of the Eagle Strike Army, led by Liu Zheng and Ren Ping, were climbing quickly towards the top of the mountain from east to west.

Liu Zheng was as quick as an ape. He took the lead in climbing to the top of the mountain and hid under the wall on the top of the mountain. There was a Cao army soldier patrolling back and forth on the wall. Compared with Hefei City, Tushan's defense was much weaker. On the one hand, it was because Tushan was located outside the North City and was separated from Hefei City by a moat, and it did not belong to Hefei's defense system.

On the other hand, the top of the mountain is not large and it is difficult to garrison a large number of troops. Cao Ren could only regard this earth mountain as a lookout and beacon tower in the North City, observe the enemy situation, and promptly raise fire to warn Shouchun. You must know that this earth mountain just blocked the beacon tower in the North City. Once the Han army attacked Hefei, it would be difficult for them to warn Shouchun.

But for the Han army, this earthen mountain is of great significance. They can condescend and suppress the Cao army in the North City. Although there is also a earthen mountain in the city, the Han army has found a way to deal with the earthen mountain in the city.

Liu Zheng stood close to the wall, quickly installed a crossbow, aimed at Cao Jun's patrol post on the wall, and a light click, a poisonous crossbow arrow shot out like lightning, hitting the throat of Cao Jun soldiers. The poison on the crossbow arrow was blood-sealed. Cao Jun groaned and fell from the wall.

Liu Zheng waved his hand, and more than two soldiers rushed to the top of the mountain. Liu Zheng jumped up to the wall, but happened to see Ren Ping on the other side also climbing onto the wall. The two looked at each other tacitly and smiled, and jumped into the wall at the same time. Four Han army eagle attackers also climbed into the wall and rushed towards Cao's tent.

In just a moment, the Eagle Strike Army solved the Cao army stationed on the Tushan Mountain, and waited for the Han army fortification soldiers at the foot of the mountain to transport heavy catapults to the Tushan Mountain.

Ma Jun, the Minister of Works of the Han Dynasty and General of the Master of Works, also appeared on the top of the mountain. He rushed from Chang'an to Hefei half a month ago and brought the latest wheeled trench machine. This wheeled trench machine looks like a windmill and is a heavy trench machine that can throw ten turbulent pots in a row.

At the same time, the shooting distance can be adjusted according to the distance of the target. The nearest step can be thrown to 50 steps at a distance. Compared with the previous trencher, the efficiency is more than ten times higher.

Moreover, it is easy to disassemble and assemble. After moving the parts to the top of the mountain, you can quickly assemble and seize the opportunity. It is very suitable for earth-mountain offensive and defensive battles.

This heavy-duty wheeled catapult was actually invented by Ma Jun a year ago, but it has never been put into actual combat because it has a fatal weakness that is difficult to solve, that is, the wooden shaft of the catapult is not strong and will break after being used twice in a row. Once the wooden shaft breaks, the entire catapult will be scrapped.

In order to solve this weakness, Ma Jun replaced it with copper shafts and iron shafts one after another. However, due to manufacturing process problems, neither copper shafts nor iron shafts could replace wooden shafts, so Ma Jun had to look for stronger and more wear-resistant wood.

Currently, he uses iron wood as a shaft, and he can hold on for more than ten times, but for the trench itself, the cost of this trench is still high. A trench machine costs hundreds of thousands of dollars, which is ten times more than other trench machines.

Although this catapult was expensive, for the Hefei Battle, Liu Jing ordered Ma Jun to build a wheeled catapult and rush to the Hefei battlefield regardless of the cost.

Just when the main force of the Han army appeared in the south of the city, the Han army fortifications on the Tushan had already assembled ten heavy catapults under the guidance of Ma Jun and his disciples. At this time, an alarm bell rang out from the North City, and countless soldiers were rushing towards the North City, and Cao Ren had already realized the danger of the North City.

"General Wang, the enemy has discovered us." A soldier urgently reported to the chief general Wang Ping.

Wang Ping made a quick decision and said, "Seize the initiative and burn down the earth and mountains in the city."

The multi-heavy wheeled trench began to squeak and rotate, and the speed was getting faster and faster. At this time, Ma Jun shouted, "It's OK."

The soldiers who operated the catapult immediately cut off the suspended rope. The cross-wheeled catapult fired almost at the same time, and cried out in sequence, covering the earthen mountains in the city.

At this time, a huge fireball also rose into the air, drawing a bright flame in the sky, carrying long tail smoke, roaring towards the hills in the city.
Chapter completed!