The sound of cannons rumbled, and it was this cannon sound that even the Jurchens seemed to be used to. The only thing I'm not used to is that two or three miles away, a projectile can blow a person's body apart and fall to the ground.

The cry of the Jurchens, whining lala, originated from the shouts of driving away prey when hunting.

A moment later, fifty cannons, all of them fired, and the projectiles hit more than 30,000 iron armor, which was full of power. This is the power that Zheng Zhi's impression of a cannon should have.

"Order, put the barrel up, put iron sand on it, and give a certain bang!" Zheng Zhi once again ordered to command the artillery.

Projectiles are used at a distance, iron sand is used at a distance. The iron sand was also brought by Ling Zhen from Hejian Mansion in the first few days. Although the range of iron sand is not far, it can cause damage in a large area, and it is the most suitable to deal with such a siege of the Jurchens.

If the iron sand is put in the musket, the power of hitting it is even greater. Countless iron sand on the barrels of large-caliber guns, the power is much smaller. In the face of the Jurchen iron armor, whether it can be broken or not depends on luck.

The reason for this is the difference in the airtightness of the gun chamber. The projectile can block the entire barrel, and the energy of the gunpowder can be applied to the projectile almost entirely. Iron sand can't block all the barrels, you need to stuff a ball of paper or straw first, and then stuff iron sand. Even then, the energy of gunpowder would be wasted.

Fortunately, the iron sand is gushing out in a large area, even if many of the heavy parts of the iron armor cannot be broken, there are also many places where the iron armor is thinner, or on the face, it is easy to take people's lives.

Arrows are like rain, arrows are always like rain, and arrows like rain are the basis of a real battle array.

The long ladder has a hook and is tightly stuck on the battlement.

The soldier on the battlement picked up his big knife and went to cut the bayonet on the long ladder with a hook, and the stones continued to slope downward, blocking the Jurchens who were climbing.

When the bayonet of the ladder is cut off, the iron hook can no longer hold the ladder in place. There were a few powerful soldiers who used two-zhang long branches to hold up the long ladder and push it out.

In this way, the long ladders can really be overturned, and it is obvious that these long ladders cannot be shaken by human hands. The long ladder is full of people, and only with the help of tools can the long ladder be pushed out with the strength of several people.

The way of offense and defense, both sides are familiar with it.

The boiling excrement has a nice-sounding name called golden juice. In fact, the name comes from traditional Chinese medicine. There is a traditional Chinese medicine that is made from excrement and red clay, hence the name.

The scalding excrement poured on the body is only one of the burns, and the infection of the wound is the incurable thing in this era.

The hot grease becomes extremely flammable, and as long as there is a spark, it is a raging fire.

Zheng Zhi has seen too many of these scenes, and he has long been unconscious, and he won't even frown.

Sticky Han stood under the head of the city, in today's battle, there is no general, the Jurchen clan, except for Wanyan Wu begging, anyone can die, and everyone needs to die on the battlefield.

Climbed up the long ladder, climbed up quickly, and after dodging a few stones, Sticky Han finally fell, and then stood up again, the long ladder had fallen, and hurriedly went to help.

Niu Da's eyes were staring at the air, and the flying feather arrows had obvious trajectories in the air, so Niu Da could also raise the wooden shield from time to time to resist the stray arrows for Zheng Zhi.

The improvised catapult was also pushed up by the Jurchens, and the stones were thrown on top of the city, which would inevitably be smashed to the point of bursting bloody brains.

The power of the bed crossbow allowed huge arrows to plunge directly into the brick and earth city walls, and it seemed that it could also help the Jurchens climb the city walls.

"Life, replenish five thousand." Zheng Zhi gave orders in an orderly manner.

Under the urn city, 5,000 people rushed up to supplement the defense of the city. A military man, before he approached the battlement in front of the city, and before he saw the Jurchen under the city, he had been shot in the face by a feather arrow, and fell to the ground and wailed.

Two men carried him down the wall, and some of them came to meet him, and carried the wounded to the foot of the wall on the other side, where the doctors waited.

A black shadow came straight from the city to Zheng Zhi, who was sitting firmly, and the bull was quick and quick, and hurriedly raised a huge wooden shield to block it.

It was this block, with a bang, Niu Da had already fallen at Zheng Zhi's feet. The wooden shield was also torn apart.

Zheng Zhi hurriedly leaned over to help Niu Da.

"Lord Wang, I'm fine, it's just that my arm is numb, maybe my bones are cracked. The Jurchen dog's stone-throwing cart is really accurate. Before Niu Da could help Zheng Zhi to help him, he had already jumped up and spoke.

Zheng Zhi nodded: "Niu Da, you go down to the city first to find a military doctor." ”

Niu Da wanted to shake his arm, but he found that his arm did not obey the call, and nodded: "Lord, I will go down, and I will come up in a moment." ”

Niu Da turned around and left, and several wooden shields blocked Zheng Zhi. There was only one shield in front of Zheng Zhizheng's head, and at this time there were already four shields.

The siege battle is extremely monotonous, and the methods of siege are mostly the same.

Wanyan Wu Qimai was no longer sitting on the platform, pacing back and forth, his face anxious, and his heart was beating wildly. This emperor who has just ascended the throne should have been in charge of the Central Plains, casting immortal feats and forging the century-old Dajin Empire, from the grassland to the forest, from Guanwai to Yanyun, from Hebei to the northwest.

At this time, Wanyan Wu begged to buy, but he knew that his empire had reached the point of life and death, and if he couldn't go on today, it would be a catastrophe.

Wanyan Wu begged to buy and didn't have the face to see his eldest brother Wanyan Aguta, the hero who led the clansmen out of the forest and destroyed Da Liao.

At this time, Wu Qimai was still thinking about whether there would be a better way and a better way if his eldest brother Aguta was still alive. Instead of constantly consuming the already small number of clansmen like this.

If you can't leave this battle, if you don't want to go wrong, Goryeo will continue to transfer troops to fight the Gubei Pass. If it is not to consume more than 5,000 soldiers at this pass, if it is to complete the Yan Lou room and not go deep alone. At this time, Zheng Zhi should not go out to war with the Jurchens.

At this point, the stalemate between the two sides should continue. It doesn't seem like it's going to get to this point.

Wu Qimai probably regretted it.

Of course, everything can also be thought of the other way around, if the separation does not directly break the barrier, then it will be a different situation.

Things in the world always affect the whole body like this. If the Seed Master Dao had not died, Luda would not have rushed south, and Zheng Zhi would not have gone south. This big war can't be started at this time. There are not so many ifs, everything is due to fate.

It seems that God has already predestined.

It is destined that Zheng Zhi will use all his resources to defend the Gubei Pass, and the Jurchens will not be able to break it.

The Jurchens can't break through this pass, and it's not Zheng Zhi's defense now. It is from Zheng Zhi's planning for many years, and for so many years, Zheng Zhi has been waiting for this moment and making all the preparations he can for this moment.

Countless iron armor, strong bows and crossbows, large and small artillery. Even Zheng Zhi was in Xiongzhou at the time, regardless of even, regardless of everything, he insisted on crossing the Juma River at the first time, and went straight to Yanyun to start a war with Liao. It is also for this moment, for this long-abandoned pass of the Great Wall.

In order to be able to control this defense line north of Yanyun in his hands. For this reason, even the family was almost taken hostage by Cai You.

Zheng Zhi has been preparing for the war with the Jurchens, and even everything is more or less revolving around this matter. And the Jurchens, until the battle on the grassland, never really took Zheng Zhi seriously.

Today, in this ancient northern city, the Jurchens obviously can't go up.

This is also the reason why Zheng Zhi can sit on the head of the city, instead of pacing anxiously like Wanyan Wu begging.

In Wu Qimai's field of vision, only one by one the Jurchens fell down from under the long ladder. At this time, Zheng Zhi's Gubei Pass was obviously very different from when Shi Jin was defending.

The detachment could not capture the city, that was because most of Shi Jinjun were Cangzhou soldiers, and the arrows in the army were all used up, and the rolling stones were not ready.

Today, Zheng Zhishou is ready for everything. With everything that can be used, it is the most elite soldier, and many of them are within the pass.

On the platform, there was a seriously injured Wu Libu, and there was a Wu Qimai who was pacing.

"Your Majesty, I'm afraid that it won't work, I still have to let the Goryeo people consume Song Gou's feather arrows first, and when the Goryeo people are dead, my Jurchen warriors can only be effective with one blow." The separation is unnatural and finds out that something is wrong, and this battle should not be fought like this.

When Wu Qimai heard this, he stopped his steps: "Goryeo? The day before yesterday, the Koreans went up, did it work? The day before yesterday, we killed no fewer Koreans than Zheng Zhi. ”

"Your Majesty, even so, it is time for the Goryeo people to die first. Song Dog's arrows, as much as they can consume, consume first. He replied.

When Wu Qimai heard this, he didn't answer the words, paced a few more steps, and said, "How about withdrawing troops at this time?" ”

He didn't hear the words, and his eyes were dumbfounded: "Withdraw the troops? Your Majesty, where can we withdraw our troops at this time... After the withdrawal of troops, I am afraid that it is... ”

It is not obvious that the separation understands the reason.

Wu Qimai suddenly became a little firmer, and said: "Then withdraw the troops and lead Zheng Zhi out of the customs to chase." So we will fight it with cavalry. ”

Hearing this, his eyes lit up, and after thinking for a moment, he replied, "Your Majesty, this method... Xing Xing Xing. ”

Whether it's okay or not is two words, it's better than this kind of battle.

Wu Qimai had already opened his mouth and shouted: "Mingjin, Mingjin quickly." ”

Wu Qimai couldn't bear the Jurchen elites falling down the long ladder one by one, so it was really meaningless.

Mingjin masterpiece!

Those Jurchens who were still gritting their teeth and pounding the city wall looked north with puzzled expressions on their faces, and when the sound of the golden sound was heard very clearly, they turned their heads and began to retreat.

It is that the Jurchens have never fought like this since they started their wars.

The tide rises and the tide goes out.

Shi Jin rushed to Zheng Zhi's side, his face was overjoyed, and he shouted: "Lord Wang, the Jurchen dog has retreated." ”

At this time, Zheng Zhi's face, which had been serious, finally eased up, and he also said: "Wu Qimai is really decisive. ”

Looking into the distance, in the Jurchen camp, there were already soldiers on their horses.

Immediately, more and more soldiers began to mount. There was a mess in the camp. Even the Koreans were released, and a large number of sheep were driven out of the pen.

"Lord Wang, this Jurchen dog wants to run?" Shi Jin saw the Jurchens' plans at a glance.

At this time, Wu Yong, who heard Mingjin, also ran to the city, looked north for a moment, and said, "Your Highness, the Jurchens are really going to run away." ”

"Lord Wang, chase quickly, chase quickly, how can you let the Jurchen dog run so easily. Then I will go down and have the earth and stones behind the gate be dug up. "Shi Jin is already impatient, chasing and killing the routed soldiers is the most normal thing on the battlefield.