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The camp of the Cao army was in chaos, and the tens of thousands of defenders on the tower of Yuanmen City had long disappeared and disappeared, so that no one paid attention to the fire at Yuanmen.

The fighter plane appeared, how could Zhao Yun, who had been through a hundred battles, miss it lightly?

Outside the Yuanmen, Zhao Yun led the unrivaled iron cavalry that sneaked into the camp to break through the Yuanmen, brazenly entered the front camp of the Cao army, and drove tens of thousands of Cao troops from the front camp to the camp of the Chinese army.

At this moment, Zhao Yun tried to lead the army to take advantage of the victory to pursue, turned a feint attack into a strong attack, and smashed the Cao army's camp in one fell swoop, giving the Cao army a fatal blow. 、

However, when he led thousands of iron cavalry to approach the Chinese army camp, he was surprised to see an iron armored cavalry in the middle of the Chinese army's camp, numbering as many as 30,000 people, and the leader was Cao Chun, the general of the Cao army.

At the same time, Zhao Yun also saw that in front of the tent of the commander of the Chinese army, Cao Renzheng, the chief general of the Cao army, led his own guards to disperse the panicked and fleeing front camp rebels, quickly collected the chaotic army, and organized soldiers and horses to transfer grain and grass while extinguishing the fire. This scene shows that Cao's army has stabilized its position and is doing its best to reduce losses, organizing troops and horses to withdraw from the camp one after another.

At this moment, Zhao Yun didn't have to think about it, and knew that the oncoming ironclad cavalry was the ace powerhouse under Cao Cao of the Northern Wei Dynasty - the tiger and leopard cavalry. And Cao Ren's actions made Zhao Yun realize that the robbery of the camp only stopped there, the fighter plane had been lost, and it was impossible to destroy the Cao army's camp in one fell swoop.

Seeing that nothing could be done, Zhao Yun immediately made a decision, immediately reined in his horse and turned around, and led the army to break through. Fortunately, there were only more than 4,000 cavalry behind him, and the remaining thousands of cavalry stayed outside the camp to respond, so that when he led the army to retreat, he did not encounter decent resistance and quickly rushed out of the gate. He led more than 6,000 cavalry to escape into the night again and disappeared from Cao Jun's sight.

Almost at the same time that Zhao Yun led his army into the darkness. Cao Chun led the tiger and leopard cavalry to rush out of the gate, trying to follow the pursuit. How could he lead his army to chase all the way to the east gate. But he didn't see the shadow of the Xiliang Iron Cavalry who attacked and robbed the camp at all, but instead caused the defenders on the city to fire arrows in a random manner, forcing him to lead the army to retreat and turn back to the camp.

"Zihe has ever caught up with the enemy general Zhao Yun?" Outside the gate, Cao Ren led the army to line up outside the camp, and when he saw Cao Chun leading the army back from a distance, he rode his horse to meet him.

Cao Chun shook his head when he heard this, and sighed softly: "It's a step too late, let him run!" ”

Cao Ren was not surprised by Cao Chun's answer, after all, he and Cao Chun left the camp on their front and back feet. If the tiger and leopard cavalry caught up with the unequaled iron cavalry under Zhao Yun's tent, then the two armies must be fighting fiercely at this moment, and Cao Chun would definitely not lead the army back so quickly.

"Damn! Zhao Yun is also a famous general in the Western Jin Dynasty, and he has been famous all over the world ten years ago, but he didn't expect this thief to do such a dirty sneak attack, which is really cold, and it tarnishes the prestige of the famous general! ”

Seeing Cao Chun's face with shame, Cao Ren couldn't help but scold Zhao Yunlang for being famous, and Cao Chun's face eased slightly. He changed his words sharply and asked, "Did you ever notice the black bumps used by the enemy army to rob the camp tonight when Zihe led the army to chase after him?" ”

At the mention of the black pimple, Cao Ren's face was ugly, and there was a look of horror between his eyebrows. Seems to have palpitations. Obviously, at this moment, he was very afraid of the siege weapon of the black pimple, and it would not be an exaggeration to say that he was terrified. It is because of his concern for this object that Cheng Dù far exceeds Zhao Yun himself.

In Cao Ren's opinion, it was not strange that Zhao Yun led his army to escape. After all, there are only 20,000 or 30,000 horses under Zhao Yun's account, knowing that he is invincible. Zhao Yun naturally would not fight to the death, and escaping was his inevitable choice. In addition, Zhao Yun is a famous general of the Western Jin Dynasty for a long time, and he is still a fierce general on the battlefield, even if Cao Chun can lead the army to intercept him, I am afraid it will be difficult to capture him, and it is a matter of time before he breaks out of the encirclement.

Knowing that he couldn't capture Zhao Yun, Cao Ren didn't take him to heart at all, he couldn't keep him anyway, and he fled if he escaped. Compared to this, Cao Ren was more concerned about the black bumps used by Zhao Yun's cavalry tonight. This thing is very powerful, and a few hundred black things actually scared off the 15,000 soldiers stationed at Yuanmen, and burned down the wall of 1,500 steps in one fell swoop, which can definitely be regarded as the supreme weapon for attacking the city.

It is precisely because of the appearance of this kind of siege weapon that the rock-solid front camp gate is like a fictitious, and in just a quarter of an hour, the more than 10,000 cavalry led by Zhao Yun broke through the gate, causing the front camp 50,000 soldiers to be in a mess, and tens of thousands of war horses were frightened and scurryed, destroying the entire front camp, and then affecting the entire battalion, causing heavy casualties to the officers and men of the whole army.

Although the number of casualties has not yet been counted at this moment, Cao Ren knows that the loss is not small based on visual inspection alone. The casualties of the soldiers of the former battalion alone were as high as 20,000 or 30,000, and the tents, grain, grass, and weapons that were burned down were even more numerous. What distressed Cao Ren the most was that thousands of war horses were rampage amid the loud sound of black bumps, and finally collided and trampled to death or died in the fire.

You must know that these more than 4,000 war horses were used to exchange grain and grass with the Jingzhou army. Although all of them are old horses or stallions that have been eliminated, each horse is worth a lot of money and there are only a limited number of them. Now that he has lost more than 4,000 horses at one time, when he exchanges with the Southern Han in the near future, Cao Ren will have to draw war horses from his account to make up for the shortfall. It's going to be a hell of a dead end!

There were no war horses in the Wei state, and there were no grassland pastures, and the war horses needed were all purchased at high prices or captured from the Western Jin army. In order to gather enough 20,000 war horses needed by the Southern Han Dynasty, Cao Ren, Cao Chun and other generals carefully selected them for two months, and kept all the good horses for themselves, and the old or sick horses or disabled war horses were exchanged with the Southern Han Dynasty. I finally managed to make up enough 20,000 numbers, but I didn't think that something went wrong tonight, and the number of war horses was not enough, so I could only use good horses to replenish them. This is like cutting Cao Ren's heart, which makes him feel painful, and his heart is dripping blood!

And this qiē is caused by black bumps. According to the report of the guards of the gate, the things thrown by the cavalry under Zhao Yun's tent were only the size of fists, like a small wine jar weighing a pound, and the mouth of the bottle was tightly stuffed with an oilcloth; The swarthy iron lump slammed against the stakes of the fence and thumped, and it caught fire and exploded. Cao Ren had just seen the wooden stakes that had been blown up by the black pimple, and the power was not great, and the destructive power was not as good as the oil clay pot thrown by the thunderbolt car, nor was it comparable to the huge impact of the stone. However, when this thing exploded, the sound was huge, like a thunderbolt, and the sound of the explosion frightened the defenders who were ten steps away from it to tremble, and the timid ones were directly frightened, and those who didn't know thought they were damned.

In addition, when this thing explodes, it produces a huge vibration, and it is easy to catch fire, sparks splash everywhere, and the black powder remaining in the iron shell adheres to the wooden stake, and the flame is long-lasting and stubborn, and the wind does not extinguish it, but burns more and more, and the fire grows bigger and bigger.

Cao Ren had experienced a hundred battles and was well-informed, and when he heard about it, he immediately realized that this kind of thing was definitely a siege weapon. Although it is not very powerful, the vibration generated by the explosion is very large, and it can make a loud noise, which has a super deterrent effect on the war horse. If there are enough black bumps with big fists, they can even blow up the city wall, and even a section of the wall can be destroyed no matter how bad it is, making it easy for the besieging army to storm the city and win the victory.

It was precisely because he realized the huge effect of the black pimple that Cao Ren was even more eager to know what the black pimple used in Zhao Yun's army was, and whether Cao Chun had captured this kind of thing during the pursuit of the army. As long as there are ready-made samples, with the wisdom and wisdom of many scribes in the Wei State, they can be imitated in less than three months, and then equip the whole army, improve the combat effectiveness, and provide a strong guarantee for the next joint attack on the Western Jin Dynasty with the Southern Han Dynasty. Even, without joining forces with the Southern Han Dynasty, the Western Jin Dynasty could be defeated with the power of the Northern Wei Dynasty alone, so as to capture the Central Plains states and counties under the jurisdiction of the Western Jin Dynasty in one fell swoop.

Thinking of this, Cao Ren couldn't help but grab Cao Chun's neckline and asked eagerly: "The black pimple is the thing that Zhao Yun broke through the camp tonight, have you ever seen it?" ”

Cao Chun shook his head blankly, and gave Cao Ren an answer that he didn't want to hear: "No." From here all the way to the east gate of Kaifeng City, except for the corpses of our soldiers patrolling at night along the way, the grass is clean and clean, and there are no black bumps as you said. ”

"Ahh How so? Cao Ren let go of Cao Chun's neckline in disappointment, with a look of amazement on his face, his eyes stared blankly at the flickering wilderness, and he ordered indignantly: "All the soldiers listen to the order, search for me!" From the beginning of the gate to the city of Kaifeng, I can't let go of any grass, tree and stone, no matter what, I have to find the black pimple! ”

Cao Chun's expression was quite surprised when he heard this, and his eyes showed a look of disapproval, but he did not speak, nor did he raise objections in public. This is because he can see that his brother is really angry this time, and he attaches great importance to the new siege weapons used by the enemy general Zhao Yun.

"Brother, what should our army do next?" Asking softly, Cao Chun immediately changed the topic and said: "At present, our army's camp has been destroyed, forty percent of the grain and grass have been lost, and the infantry of the front battalion has suffered heavy casualties, and the Kaifeng City garrisoned by the enemy general Zhao Yun still has nearly 30,000 soldiers and horses at the moment. In this way, with the existing soldiers and horses in his hands, the enemy general Zhao Yun can hold the city for at least five days, or even longer. I wonder if my brother has a good way to break the enemy? ”

Sure enough, Cao Chun's words made Cao Ren sober up from his anger, and then he saw that the anger on his face quickly subsided, replaced by an unfathomable smirk: "Zihe, rest assured, at most an hour, we can capture Kaifeng City; At that time, the two brothers and I can have breakfast together in the city. Hehehe! ”

"Oh, why is that?" Cao Chun was shocked when he heard this, and said suspiciously: "Could it be that Brother Fei had long expected that Zhao Yun would come to rob the camp tonight?" ”

Cao Ren smiled quite smugly: "No, Brother Wei didn't expect that Zhao Yun would dare to go out of the city and rob the camp under the siege of our army, but I have followed the lord to fight for many years, and I know that when I storm the city, I must not leave the enemy a moment of respite." So two hours ago, I ordered Zhu Ling to lead 20,000 soldiers and horses from his headquarters to return to the south gate of Kaifeng, and raid the city gate at the third watch. At this moment, it is the third watch, and General Zhu Ling must have already succeeded in the sneak attack??????"

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