"Stand back, stand back!" Gru shouted, "Adjust the archers, line up in the back!" ”

It was only now that he realized that it was not possible to have soldiers leaning against the wall and waiting for the Han to wait for the Han, and that the best way to do it was to stay some distance away from the wall and use archers to protect it. Because once the Han army landed in the city, it was the most dangerous time to be on the long ladder, during which they could hardly do tasks to avoid the action, and due to the load-bearing capacity of the long ladder, they could not focus on their armor, so it was the wisest choice to attack the enemy army trying to enter the city with bows and arrows.

After Greu gave this order, he felt that he was really smart.

He is not a Han Chinese, he is a Donghu person, and the Donghu people have almost no concept of defending the city, and now, as soon as he found out the attack method of the Han army, he immediately thought of the defense method, which is really too smart. I really want to praise myself loudly.

Whoosh, whoosh!

Piece after piece of burning grease was thrown into the city!

The grease was lighter than the stones, and this throw was not thrown at the battlement, but at some distance from the battlement—or rather, it was the place where the Donghu archers lined up.

The Donghu archers were burned in all directions, but they did not dare to leave their positions too far, otherwise they would be executed on the spot as deserters.

Gru sighed.

Well, he finally understood the difference between defending the city and fighting in the field. In the field, horses can move at will, like throwing stones, grease, siege vehicles are all ineffective, and when defending the city, they can only stand in this square inch, which is the difference between the two.

This time he did figure out the key to defending the city, the question is, how to solve it? The Han army had obviously already solved the problem of how to defend the city, but unfortunately, the Donghu army had only now thought of where the key to defending the city was, and as for the problem of how to defend the city, there was really no time to solve it!

The shouts rang out!

The Han army has finally begun to ascend the city!

I saw rows of bamboo poles moving rapidly, behind each bamboo pole was ten Han soldiers holding, and there was only one Han soldier in front, rushing to the city, the Han soldiers in front of them supported the bamboo poles with both hands, directly stepped on the city wall with their feet, their bodies were parallel to the ground, and they used the bamboo poles as support, and walked directly on the erected city wall with their feet like acrobatics!

This method does not work on the tall city wall, but it is extremely effective when used on a low city wall like Xifeng, and in the blink of an eye, the soldiers of the Han army have rushed to the head of the city!

"Rush up and guard them off!" Gro screamed. Only then did he understand that the siege vehicles of the Han army had always been a disguise, and the real siegers "walked" up from the city walls!

Naturally, the archers could not do this, and after a brief round of confusion, the pikemen and shortsword men rushed forward through the ranks of the archers.

And yet they pounced.

These Han soldiers who climbed the city did not climb up the tower, but put thick and long iron chains on the wall battlements one after another, and then sent a signal to the bottom of the city, and the soldiers holding bamboo poles behind them retreated together, and put down these Han soldiers who were about to enter the city.

Glou suddenly realizes that something is wrong, something very bad. Although he had no previous experience defending the city wall, he could guess what it was doing when he looked at the chain.

"Take off the chains!" He gave the order in a hurry.

Almost at the same time, the rain of arrows on the siege vehicles began again, concentrating on the Donghu soldiers who were approaching the battlements, and stones and grease were also thrown up with unprecedented intensity, and also fell near the battlements. And the iron chain was sonorous, and it had been tightened by the Han army under the city!

Now, what the Han army is going to do has finally been revealed.

In fact, the Han army only wanted to pull down the battlements of the city walls.

What are battlements used for? Quite simply, it is used to protect the people in the city. The battlements at the head of the city are one concave and one convex, and the recess is used to throw arrows outside the city and stones to the bottom of the city, and the convex part is used for protection. The defenders hid in the protrusions, and arrows or stones were released from the recesses, which was the fundamental reason why the city was able to kill and wound a large number of besieging soldiers while the defenders suffered very few casualties. If there is no battlement, that is to say, there is no raised part, the difference between the city and the city is only one high, if the besieger's military strength is much stronger than the defender, the defender who has lost the protection is not able to fight the besieger, because both sides are in a state of no protection, and the fight is consumed!

The Donghu people finally understood the idea of the Han army, however, it was too late.

Although many Donghu soldiers rushed up one after another to try to take off the chains, under the attack of the rain of arrows from the siege engines, stones and grease thrown from the city, they suffered heavy casualties, and those who were lucky enough to rush in front of the chains did not even want to take off the chains. You must know that every iron chain in the road is now being pulled by three hundred Han soldiers in unison, and the iron chains are tightly strangled with the battlements, where is it so easy to take off?

In desperation, the Donghu soldiers slashed with knives and picked with guns, trying to break the chains. The result can be imagined.

Rumble!

One battlement has fallen!

Boom, boom, boom!

One battlement after another fell, and every time one fell, there was a cheer under the city, and the heart of Gelu in the city was cold.

He knew he was in big trouble.

"Eagle!" He turned his head and shouted, "Order Mowuer to raise an army to attack from behind the Han army, the whole Han army is here, let's join forces inside and outside!" ”

Up to this point, he still refused to say that he asked for help, but instead used a statement that looked as if he was attacking the Han army.

However, objectively speaking, his statement is not entirely unreasonable. Since the 100,000 troops of the Han army are all here, if Mowuer really attacks from behind, it will really make the Han army suffer from the enemy, which is indeed a combination of internal and external strategies.

After the Han army pulled down the battlements, they did not rush to launch a strong attack, on the contrary, the troops that had already attacked the city retreated.

The soldiers of the Donghu Army, who were exposed to the city and had lost cover, couldn't figure out the situation for a while, and looked out one by one.

Gelu was also a little strange, but he didn't dare to take it lightly now, he finally understood that there was a reason why the Han people's city was difficult to attack, and there was a reason why the Han people could attack the city. Now that the Han people are retreating when they have a big advantage, there must be a reason.

He pondered hard, hoping to find the cause as soon as possible.

Soon, he found it, but not with his head, but with his eyes.

In the night, cold light flashed, and thick iron arrows flew one after another!

These iron arrows were not ordinary bows and arrows, its head weighed two taels, and the pole was of solid wood, so heavy that ordinary bows could not be fired at all, and it was shot by a huge one-man high bow. Every shot requires the cooperation of five people.

It is also because of the bow and arrows that are heavy, so the momentum is amazing, on the city wall that has lost its protection, the Donghu army has become an arrow target, and people continue to fall down with arrows, and even an arrow kills two people.

Gelu had retreated to the ramp of the wall, where there was really no safe place. But he can retreat, the soldiers can't retreat, once he retreats, what if the Han army takes the opportunity to attack?