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Cao's army launched a bed crossbow at the same time, with a long arrow ruler, with a range of more than five steps. The arrow power was strong. Dozens of fortification soldiers were caught off guard and were shot down one after another, causing chaos in the fortification soldiers who built the platform to retreat one after another.

A general rushed to Liu Jing to report: Qibingzhou governor, Cao's army used a bed crossbow to attack, and more than 50 brothers were killed or injured.

Liu Jing frowned and turned around and asked Fa Zheng: How to solve this problem

Fa Zheng smiled and said: This is easy, just nail a row of wooden boards and brackets to defend against it. It is fifty steps apart. At the end of the strong crossbow, the crossbow arrows cannot penetrate the wooden boards.

Liu Jing nodded, it's feasible

He immediately ordered the order. Soon, the carpenters in the army made ten simple wooden board brackets, four meters long, two meters high, and two inches thick. They transported them to the platform for defense. Only long crossbows were heard shooting on the thick wooden boards, but they could no longer penetrate the wooden boards. Thousands of Han military fortification soldiers behind the wooden boards began to continue to work in a busy and busy manner.

On the top of the city, Cao Ren had already realized the intention of the Han army to build a platform, and was extremely nervous. He kept ordering the firing of the crossbow, but the crossbow quickly lost its effect. At this time, Cao Ren shouted: Use a catapult to attack.

Twenty large trenchers began to squeak and burst the stones out. In order to increase the range, they did not use kilograms of huge rocks, but used more than 20 kilograms of small and medium stones. Despite this, they still had no killing effect. Large rocks rolled in the air and landed on the ground dozens of steps away from the wooden board. Several huge rocks rolled towards the defensive wooden board, making a dull loud noise, but they could not break the wooden board.

Zang Ba rushed to Cao Ren and bowed and said, "General, you can burn the enemy's wooden baffle with tinder oil. There are thousands of barrels of tinder oil in our city, which is enough to burn the enemy."

Cao Ren nodded, this suggestion was good, he immediately ordered: Prepare to attack with tinea oil

Twenty large trenchers were replaced with tinsel pots, each of which contained 20 kilograms of tin. With a command, twenty trenchers fired at the same time. The tinsel pots flew into the air and still landed dozens of steps away from the wooden board. The tinsel pots were broken and the tinsel splashed all over the ground. At this time, several huge fireballs flew from the air and hit the ground. Suddenly, a raging fire ignited on the ground. Several fireballs ejected and collided into the baffle. A fireball even flew past the baffle and landed in the fortification crowd, causing a burst of exclamation.

Cao's army continued to fire tinder oil, and a sea of ​​fire was already there, and four baffles were already ignited by the flowing and burning tinder oil. At this moment, several soldiers rushed into the sea of ​​fire with mud and sandbags on their backs and piled up a wall of mud in front of the wooden boards to prevent the tinder oil from continuing to flow downward.

More than a thousand other people dug several ditches on both sides of the wooden board, introducing flowing tincture oil into the ditch, and constantly filling the soil to extinguish it. The Han army had a very complete and effective fire extinguishing plan. Although the fire on the hillside soared into the sky and the smoke was rolling, it never affected the construction of the wooden platform.

The sky was getting darker, and the fire was still rising on the hillside, and the fire was burning, burning the land hot, and the trees and shrubs within a radius of miles were burned to pieces. Ten baffles burned six, but the Han army had replaced the burned baffles with a one-meter-high earth wall, and the blocked sulphur continued to flow towards the wooden platform.

At this time, ten wooden tables had been built, each with a length and width of five meters, enough to accommodate giant trenchers. At the same time, ten giant trenchers had also been assembled.

This giant catapult has a range of between fifty and four steps and can be adjusted accurately. It can be regarded as the largest catapult in the world. It is as high as two or eight feet, and the casting rod is about four feet long. Using an iron chain winch, it requires ten cows to pull the hinge.

During the last northern expedition, the Han army did not carry such a giant catapult, which caused the siege to be weak. This time, the Han army learned a lesson and transported more than ten giant catapults from Xiakou two months ago and conducted countless practical trainings, including night battle training. The Han army was determined to win this battle to capture the West City.

At this time, the soldiers pushed the ten giant catapults up the slope and installed on the newly built platform. The soldiers drove the cattle to pull the hinge. With the rattle of the iron chain, the catapult pole was bent and installed with a 50-kilogram pot of tinsel oil weighing 50 kilograms. The Han army also used tinsel oil to attack the city.

At this time, an officer asked Liu Jing for advice and reported to the provincial governor that the catapult was ready. Can he attack?

Liu Jing nodded slowly and attacked him and issued an order to attack.

With the sound of the bang, ten giant catapults threw stones and threw out the turbulent oil tank. The huge turbulent oil tank rolled in the air and hit the city. The soldiers on the city shouted in horror and fled in all directions. With a loud bang, a turbulent oil tank hit the city, and fragments shot out, and the turbulent oil tank hit the city one after another, or flew into the city, causing a pungent smell of turbulent oil to spread out on the city.

Cao Ren shouted in shock: Cover with soil quickly

At this moment, ten fire points appeared in the sky and quickly hit the city. This is the tincture oil mud used for water wars. Its biggest feature is its good stickiness. Unlike the cloth fireballs that will bounce off after they land, the tincture oil mud is also ignited. When they hit the city, several sparks suddenly burst out, instantly igniting the tincture oil on the city. Several pieces of fire appeared on the city two miles long.

Cao's soldiers tried hard to cover the burning tincture oil with soil, but the tincture oil tanks shot from the city hit the city, causing Cao's army to lose sight of each other, and the fire area became larger and larger. Several catapults on the city were also ignited by the fire, burning ragingly, which was particularly dazzling in the night sky.

At this time, Liu Jing saw that the time for siege was ripe, so he issued a second order to attack the city

The sound of drums that shook the earth again, and the sound of drums was earth-shaking. Dozens of nest cars had been assembled and were pushed and dragged by soldiers and began to rumble towards the west city on the slope. Twenty thousand Han soldiers rushed up like a tide. They splashed water to destroy the hot soil under their feet, and carried the siege ladder to run forward.

Although the Han army already had the most advanced and sharp offensive weapons, the people who fought were warfare. The Han army needed to hone themselves with blood and fire. They needed to grow up in death and become the most powerful army in the world in the baptism of war.

The catapult on the city was launched again. This time it was no longer tincture oil, but a huge rock. The huge rock rolled into the crowd, and the flesh and blood flew everywhere. Groups of soldiers were smashed down. The powerful crossbow shot out long arrows and arrows flew across the shields of the Han soldiers. The soldiers running in front were shot through their bodies and fell down.

The fire was burning in the night sky, and ten giant catapults were still shooting tinder oil at the top of the city. After several rounds of shooting, they had gradually adjusted their shooting distance and could accurately hit the top of the city. The fire continued to spread on the top of the city, and the enemy under the city was vigorous, and Cao's defensive formation began to appear loopholes.

At this time, the giant shield crossbowmen of the six thousand Han army had already rushed into the city step first. They carried a giant shield that was five feet tall. There were two spikes about a foot long under the shield that could be inserted into the soil. There was a bracket behind the shield. When the bracket was unfolded, a temporary defensive shield was formed. This was also Ma Jun's craftsman's invention. It was just a small improvement that solved the defense weakness of the crossbowmen.

Six thousand crossbowmen squatted behind the giant shield and kept shooting arrows at the top of the city, suppressing the dense arrows of Cao's army on the top of the city.

The Han army was very motivated, and attack ladders were striking up to the city. Tang soldiers climbed up to the city. Although the arrows on the city were weakened, the rolling wood and stones smashed down like hail.

A Han soldier was smashed to pieces and fell down from the city screaming. Another soldier rushed forward bravely and fought with Cao's soldiers on the city. They had rich experience in night battles and attacked sharply, and were surrounded by dangers on the city.

Under the city, six thousand Han soldiers fought back with strong bows and crossbows. The overwhelming rain of powerful arrows made the Cao soldiers on the top of the city unable to look up. The Cao army suffered heavy casualties and continued to fall into the city by arrows.

At this time, more than 20 trenchers of Cao's army had been burned down eighteen, and the city was full of raging fires. Cao's soldiers fought to the death. The city was full of dead and injured pillows, and the bodies of the dead were piled up. Cao Ren saw that Cao's army's ability to fight at night was obviously weaker than the other party, and he was gradually at a disadvantage. He knew something was wrong. He was anxious to go and move the big stone from the north city gate away and prepare to retreat.

Zang Ba was stunned and said for a while: But if you lost the West City, how can you explain to the Prime Minister?

Cao Ren was so angry that he cursed: Bastard, do you want me to be captured again?

Zang Ba had no choice but to turn around and run towards the city. At this time, the giant catapult had stopped projecting, and the twenty Han army's nest chariots finally arrived by the city wall. A roller was installed under the nest chariot, and several soldiers pushed it forward.

Although the city walls of Xicheng are tall, the Chain Car is just the same as the city. Each Chain Car has fifty heavily armored infantry inside. The iron bridge on the city is pulled up by iron chains to resist Cao's army's bows and arrows.

With a loud bang, the iron plate hit the city, smashing gravels and flying. Fifty heavily armored infantry shouted and rushed out of the nest cart, waved the war horse sword, rushed into the Cao army, and fought with them.

As twenty nesting cars reached the city head one after another, a thousand heavily armored infantry took the lead in killing the city heading. They became the sharpest blow to Cao's defeat. Then the Han soldiers rushed to the city heading one after another, and twenty nesting cars became the passage to climb the city heading. Countless soldiers climbed up to the city heading from the nesting cars. They were full of fighting spirit, high momentum, and shouted and shouted for killing. The Cao's army's morale quickly disintegrated, their morale was sluggish, and they were killed by the Han army and retreated step by step.

At this time, the Han army was storming into the city. There were countless Cao army soldiers who surrendered, but Zang Ba led the army to open. More than 2,000 Cao army broke out of the northern city and fled in scattered areas. Huang Zhong from the north also led 5,000 soldiers to cover up and cut off the retreat of Cao army soldiers.

Liu Jing saw that the southern gate of Xicheng was also open, and the Han army waved the flag on the top of the city. He immediately pointed the gate with a sword and ordered the ten thousand soldiers to prepare for war: Enter Xicheng

Ten thousand soldiers ran hard, shouting and killing sounds shook the sky. The two thousand cavalry that led the way were like the highest wave, rushing towards the west city.

With the full preparation of the Han army, it took only an hour to conquer Xicheng County, the most critical strategic location on Qishan Road. At this point, the Han army's Northern Expedition took the initiative, and Tianshui County and Guangwei County were at the same time threatened by the Han army.

But for the Han army, the important thing is not to attack cities and villages, but to establish an effective and rapid food transportation system. Moreover, winter is approaching, which is not conducive to the Northern Expedition, so the Han army stopped continuing to attack.
Chapter completed!