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During the charge, the long-range firepower of the two sides competed, and the zombie army suffered a loss due to the new weapons brought by Chen Yuan.

But in the end, the zombies still relied on the advantage of troops, and after paying a lot of price, some zombies forcibly broke through the fire blockade of the human defenders and arrived at the city at the north pass of Yangcheng.

Although there are not many zombies rushing to the city wall at this time, it has caused a lot of psychological pressure on the human soldiers defending on the city wall.

The motley troops sent by Yanhuang City, Dadu, and other small and medium-sized survivor settlements nearby panicked, and they didn't know where to shoot.

For a while, he pointed his gun at the zombies under the city, and for a while, he pointed his gun at the zombies who were continuing to rush in the distance. Changing in the middle is a complete waste of time and greatly reduces efficiency.

Many of them, officers and soldiers, turned pale with fright, and muttered, "It's over!" Finished! Zombies are coming! ”

In contrast, the troops of the Self-Salvation Army, Yangcheng, and Shenwuguan were much calmer.

No matter where the zombies charge, their guns are always aimed at the zombie closest to them.

It's very simple, the closer you get, the more accurate you get!

So the first batch of zombies that rushed under the city walls were actually quickly wiped out by them.

However, at this time, the zombie army also has a new move.

"Report, in the direction of the main position of the zombies, a large number of catapults were found!"

A soldier in charge of battlefield observation found the traces of zombie siege equipment through night vision binoculars and reported it in time.

Chen Yuan and Wang Luzhou hurriedly picked up the binoculars and took a look.

Sure enough, behind the zombie position on the opposite side, there were many large zombie catapults pushed out of the forest, and at first glance there were at least hundreds of them.

"Tell the mortar troops, blow up their catapults for me at once!" Wang Luzhou shouted.

But at this time, the zombie catapult had already taken the lead in attacking the zombies that rushed to the human city wall.

Huge stones were thrown high from the catapults, the largest being the size of a small car. The small ones are the size of car tires and densely packed.

"Mom, run! The zombie catapults are attacking! ”

Seeing a large number of boulders flying from a distance, many of the miscellaneous troops from Yanhuang City and Dadu were so frightened that they abandoned their positions and turned around and ran. Their defensive line was immediately emptied, and the frontal fire was greatly weakened. The zombies therefore also accelerated the pace of the charge.

"Go back! Go back! "The officer in charge of on-the-spot coordination and command on the Yangcheng side was extremely annoyed. When he saw these troops in Yanhuang City and Dadu before, he thought that they might have problems on the battlefield because their discipline was so poor. But I didn't expect them to escape! This is a great sin in the army!

And it was useless to shout, the officers and soldiers of Yanhuangcheng and Dadu ignored him at all, and continued to flee.

The Yangcheng officers who coordinated and commanded on the spot almost wanted to pull out their guns and shoot these people who had escaped from the battle. But thinking about it, he finally suppressed his anger. After all, these people are not their own troops.

In the end, the commander who coordinated on the spot had no choice but to order: "Let the reserves come on!" He glanced at the officers and soldiers of Yanhuangcheng and Dadu who were fleeing viciously, and said angrily: "Why, I knew it would be better not to let them come!" What a joke! Also the permanent director of the Huaxia Survivors Alliance! Bah! ”

Looking at the troops of the Self-Salvation Army, the Shenwu Army, and the Yangcheng side, there was no such situation at all, and all the officers and soldiers were sticking to their posts and fighting.

In fact, for the stone-throwing attack of zombies, the human army is not without defense.

In the past, the human army even had a way to intercept missiles, so how could a stone throw be so large that it couldn't stop it!

The first to be activated was the missile interception system on the city wall, and a dozen interceptor missiles quickly rose into the air, aiming at the largest stones in the zombie cast.

"Boom ......"

Most of the missiles hit accurately, blasting the zombie slings to pieces in the air.

Then, the human forces also began to activate medium-range and short-range interception weapons.

There are spider robots on the side of the Self-Salvation Army and the Shenwu Army, and there are also many remote-controlled Gatling guns on the walls of Yangcheng City, which are frantically pouring bullets at the flying stones.

Either break the stone, or rely on the powerful impact of a large number of bullets to block the stonethrow in the middle of the way, so that it can land early.

So the rubble that fell halfway down the road killed and injured many zombies' own troops.

In the end, only a small number of boulders escaped the interception of the human forces, and successfully fell, smashing the city wall at the northern pass of Zhongyang City.

However, the walls here are also reinforced by earth-based abilities, so they are particularly strong. The boulder that hit the wall did only minor damage.

Then, after the zombie catapult started the second round of attacks, the mortar attack on the Yangcheng side had also arrived.

After the first area was covered by artillery fire, the zombie catapults were blown up, which was very exciting. Many of them haven't finished throwing boulders yet. In this way, the second round of attacks of the zombie catapult troops is greatly weakened!

But at this moment, "boom, boom, boom......, boom", more than a dozen continuous loud noises burst in.

On the side of Yangcheng, it was also attacked by the artillery of zombies.

More than a dozen shells landed near the city wall at the northern pass of Yangcheng. Although it is not accurate, there are so many zombies around at this time to guide, and they will definitely be able to make adjustments quickly.

Wang Luzhou was shocked and immediately asked, "Where did you shoot the cannon?" ”

One observer reported: "Northwest! The distance is still being calculated! ”

Chen Yuan said: "It seems that there are still some of the zombies' baggage troops who have skipped our artillery bombardment and pursuit!" ”

Wang Luzhou nodded and ordered: "Speed up the calculation, after finding the artillery position of the zombies, you don't need to report, immediately use long-range artillery to launch three rounds of carpet bombardment on them!" ”

"Yes!"

So Wang Luzhou and the others came back to their senses and continued to concentrate on the stone-throwing attack of the zombies.

But at this moment, Chen Yuan suddenly pointed to the night sky in front of him and said, "Look at the back of the throwing stone, there is the army of zombie flying corpses!" ”

Everyone took a closer look, and sure enough! Behind the rapidly flying boulders, a dense army of zombies and flying corpses appeared!

It turned out that just when the zombie catapult attacked, the zombie flying corpse troops on the other side had also moved!

More than 1,000 flying corpses secretly rose into the air under the cover of the slings with all kinds of strengthened and even mutant zombies under the cover of the slings, and followed the slings, and quickly flew towards the city wall of the north pass of Yang City!