Zhang Yi was not particularly worried about Xing Tian and others who appeared in the back mountain.

When building the defense line, he had considered the problem of the back mountain.

The place was easy to defend but difficult to attack, and he had planted many contact mines on the hillside.

If you make an emergency landing at that location, there is no good way to clear the mines and you will be blown to death.

"The enemy has appeared, prepare to fight!"

Zhang Yi shouted in a deep voice on the communication channel.

Everyone in the shelter was extremely focused at this moment.

This battle could decide life or death!

"Boom!"

The tank teams from Yangsheng and Chaoyu bases have advanced towards the outskirts of the shelter.

All the soldiers were fully armed, wearing combat uniforms and holding modern weapons and equipment in their hands. It could be said that they were armed to the teeth.

There are powerful strangers in the dark ready to take action at any time.

No matter how they looked at it, they felt they would win this battle!

The followers of the Snow Worship Sect approached from another direction, holding guns and even primitive weapons such as swords and spears.

The distance was getting closer and closer. When the front row of tanks came to 300 meters beyond the defense line, Zhang Yi suddenly shouted: "Attack!"

At the console, Yang Xinxin decisively pressed the button in her hand.

Facing the direction of Yangsheng Base and Chaoyu Base, cracks suddenly appeared on the snow wall, and the ice layer was pushed open by huge gun barrels and gun muzzles.

In an instant, the deafening sound of gunfire resounded throughout the entire front line!

Even vehicles loaded with heavy armor could not withstand the bombardment of large-caliber artillery and tank main guns. They were directly knocked back and crashed heavily into the vehicle behind!

"boom!!!!"

"boom!!!!"

"boom!!!!"

The deafening explosion scared all the forces!

"Artillery! Tanks, and machine guns! My God, where did they get all this?"

Zheng Yixian was dumbfounded.

Fortunately, his men moved slowly and did not get close to the defense line, otherwise, facing such fierce firepower, everyone would become a target!

Xiao Honglian and Wei Dinghai were also shocked and could not believe their eyes.

These heavy firearms are only possessed by the Xishan Base in the entire Tianhai City.

"Could it be that... they looted the weapons depot at the Xishan base?"

"How on earth is this done?"

The firepower of Xishan Base is the best in the entire Tianhai City!

However, since heavy firearms are difficult to transport, they are difficult to actually use on the battlefield.

However, today, they became the first group of people to test the artillery!

"Disperse immediately and fight back!"

At this time, they had no time to be shocked. Xiao Honglian and Wei Dinghai hurriedly ordered their men to disperse and fight back.

But they were caught off guard by the first wave, and many people were beaten to pieces, and their tanks were blown up!

"This defense is just an ice wall. We can break it and get through! As long as we can get close to that shelter, we will win."

Xiao Honglian said with a cold look.

Although she was caught off guard, she did not panic.

Because Wu Huairen told her that this shelter did not have any weapon system, it was just a solid shell.

Therefore, as long as they break through the outer defense line, their chances of winning will be infinite!

The soldiers on the chariot were afraid of being killed in one fell swoop, so they quickly jumped off the chariot with their weapons.

But as soon as they left the chariot, they immediately became Zhang Yi's target.

Zhang Yi stood calmly in the attic, protected the window with the dimensional door, and then began sniping.

The process of sniping the enemy is a bit boring.

Just aim, pull the trigger, and reload.

Every time this action was repeated, a soldier's life was taken.

Since the end of the world, Zhang Yi has become so skilled in using sniper rifles that it has become instinctive.

On average, he would kill an ordinary soldier every three seconds!

As for Yangsheng Base and Chaoyu Base, the losses were extremely painful because they did not predict that Zhang Yi was in possession of a large number of heavy weapons!

Their modified tanks could not withstand artillery fire.

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