Piling earth to siege a city is naturally not a common siege method.

First of all, it takes a lot of manpower to dig the earth, and secondly, it takes a lot of time to pile the earth, which naturally consumes a lot of food, and the pressure on the besiegers will also be great.

But it has to be said that the siege of the city is also a very effective means of siege, which can completely make the towering city wall lose its defensive significance.

And now that Zhu Wei's side has sufficient troops, and at the same time, he can also recruit a large number of young men to help dig up the soil or something, Zhu Wei can really use this method to forcibly attack the city.

Therefore, Zhu Wei's tactic was to send troops to attack the city with a false intention to directly block the four gates of Puyang City from the outside, so that Cao Cao was completely trapped in the city and could no longer send troops out of the city to counterattack.

In this way, although Zhu Weijun surrounded Puyang City in all directions and sent troops to attack Puyang City on all sides, in fact, after blocking the four gates of Puyang City, the troops originally placed around Puyang City could already be used at will, and as long as there were fewer troops left, it was enough to maintain the offensive against Puyang City.

As long as Zhu Weijun can ensure that Cao's army cannot leave the city, it is completely possible to use siege arrow towers, thunderbolt catapults and archers to adopt long-range suppression tactics against Puyang City, and there is no need to send troops to forcibly climb the siege city.

Zhu Wei is not really going to spend his troops on the useless ant-attached siege tactics, now what Zhu Wei has to do is to be on the east side of Puyang City, let the cave house car protect the soldiers to transport the sand and soil bags up, and make every effort to build a mound slope on the side of the east city, so that the army can directly rush to the head of the Puyang city wall.

Of course, in order to speed up the speed of the pile, Zhu Wei even threw some cave house carts directly under the city wall as a base frame, so that the new sand bags were piled on top, even if Cao Jun poured fire oil and set fire to the city wall, it would not affect the progress of the pile.

It can be said that this is a kind of conspiracy, so that even if Cao Cao knew what Zhu Wei was going to do, he had no way to counter it.

Perhaps what Cao Cao could do was to abandon the outer city wall and then construct a second wall defense line within Puyang City, so that Zhu Weijun would have to face a new wall after climbing the outer wall.

But building a wall is much more difficult than constructing a slope of a mound.

This is equivalent to building an inner city, even if Cao Cao has the heart, it is not possible to achieve it in a short time.

Of course, Zhu Wei used this more time-consuming method of piling up earth to siege the city, and another idea was to take the opportunity to encircle the point to send reinforcements, so that Zhu Wei blocked the four city gates of Puyang City, so that Cao Cao could not directly send troops from the city gates, he could at any time draw the military strength to surround Puyang City to deal with the Yuan army sent by Yuan Shao to support Puyang City.

For Zhu Wei, the more Yuan Shao's army can be eliminated now, then when he fights Yuan Shao in the future, there will be fewer and more obstacles.

Therefore, in the battle against Puyang City, Zhu Weijun was obviously unhurried and showed a very patient appearance.

On the one hand, Zhu Wei had people excavate earth and rocks on the periphery, of which the sand could be packed and transported to Puyang City as the base material for filling the mound, and the excavated rocks and gravel could be used as stone projectiles for the Thunderbolt Throwing Cart, to suppress the counterattack of Cao's soldiers on the city wall.

In this way, the thunderbolt stone-throwing cart kept throwing stones every day, combined with the suppressive shooting of the Cao soldiers on the city wall with rockets by the archers on the arrow tower, for the Cao soldiers on the city wall, every day was a hellish doom.

Although there was also a counterattack by Cao's archers on the city wall, Cao Cao also ordered people to build catapults, which were placed on the city wall to counterattack outward.

However, Zhu Weijun's thunderbolt catapult has a certain degree of flexibility and can change its position at any time, so that it will not be easily destroyed by Cao Jun's catapult on the city wall.

At the same time, Zhu Weijun has cultivated a special stone thrower surveyor, and with the help of the general observation of the parabola, the accuracy of the stones thrown by Zhu Weijun's thunderbolt stone throwing vehicle can be improved a lot.

In this way, in the face of the catapults placed by the Cao army on the city wall, Zhu Weijun was often able to concentrate several catapults and smash the location of the Cao army's trebuchet on the city wall at the same time, so as to destroy the strongest defense means that the Cao army placed on the city wall.

In this way, without the counterattack of Cao's catapults, Zhu Weijun's long-range siege methods would be more suppressive.

At the same time, Cao Jun has never had any effective countermeasures against Zhu Weijun's action of constructing a soil slope in front of the city wall, so as the mound slope rises up to the city wall little by little, it is like a progress bar to tell the Cao soldiers defending the city, and soon Zhu Weijun can directly kill the city wall along the mound slope.

On the other hand, Zhu Weijun was also outside the four gates of Puyang City, and sent loud soldiers to persuade the Cao soldiers to surrender to Puyang City every day.

This is like the psychological offensive when the People's Liberation Army surrounded the city in later generations, Zhu Weijun shouted loudly to the Cao soldiers on the city wall every day, Zhu Weijun is invincible, now Puyang City has been completely besieged, the city is only a matter of time, you should surrender early, you can go home and live a good life after surrendering.

At the same time, these loud-voiced soldiers also directly told the soldiers of the Cao army defending the city that Zhu Weijun would soon be able to fill in a mound slope that could directly kill the city wall, and then Puyang City would no longer be able to stop Zhu Wei's army from entering the city, so it was impossible for Puyang City to protect them for long.

Although this is only a psychological impact, if you listen to it too much every day, it will inevitably leave some thoughts in the hearts of Cao Jun's soldiers, so that the morale of Cao's soldiers in Puyang City is indeed becoming more and more sluggish.

Although Zhu Weijun did not use the advantage of troops to launch a wave of strong attacks on Puyang City, but now such a method can make Cao's soldiers even more afraid.

Originally, Cao Cao still wanted to use the advantage of defending the city to wear down a large number of siege troops of the Zhu Wei army, so when the Zhu Wei army was almost consumed, Cao Cao could also use the troops of Yuan Shao's army to break the encirclement of the Zhu Wei army, and then repel the attack of the Zhu Wei army.

However, Zhu Wei didn't play with Cao Cao at all, Zhu Wei was going to pave a road directly into Puyang City, and then Cao Cao's advantage in defending the city would be resolved, so with the strength of Zhu Wei's army, Cao Cao's forces could easily annihilate Cao Cao's forces.

To be honest, in the face of the siege methods that Zhu Weijun is putting forward now, Cao Cao really feels as if he has created a Jedi dungeon for himself.

Let's not talk about how Cao Cao thought about how to crack the siege methods of Zhu Wei's army in Puyang City, but only that Zhu Wei quickly discovered Yuan Jun, Gao Lan's army, which Yuan Shao sent to support Puyang City, through the map of the Three Kingdoms game.

Therefore, after discussing with Jia Xu, Zhu Wei dispatched the army of Huang Zhong and Tai Shici to solve the Yuan Shao army......

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