The ear-shattering roar has been the theme of the mountain during this time, and the huge steel machinery moved forward slowly but firmly, crushing and swallowing everything on the way.

The big and small beasts had been scared to run away for a long time, and some violent ones instead charged towards the Ark, but were shot and killed by the rapid-fire cannon before they approached.

The soldiers turned on the anti-noise mode and were not affected by noise at all. It's okay not to hear outside sounds, such a loud sound can make any creature's ears malfunction.

Just when the soldiers thought that this day would be spent as busy as ever, a short and harsh alarm suddenly sounded in the communication channel. This is the highest level of alert, meaning that an enemy attack will occur soon. And what enemy attack on Planet 4 is nothing more than a beast wave.

The emergency plan that had been prepared a long time ago was immediately activated, and the six arks dropped the harvester and the roadhead at the same time. These are big guys with dozens of tons. After throwing them away, the ark moves a lot lighter.

They turned on all their power, accelerated at full speed, and retreated toward the base. While evacuating, dump out all the raw materials that have not been processed in the cabin to reduce weight. Anyway, these raw materials are dirt and trees, everywhere, there is nothing to be a pity.

The heavy-duty truck is relatively flexible, and it retreats ahead of time before the huge Ark completes its turn, fleeing to the base at full speed. There are relatively flat roads from the base to the mountainous area, and the speed of trucks has also been greatly increased. Even if they are pulling hundreds of tons of materials, they can drive close to 100 kilometers. If the road is not uneven, the speed can be increased again.

The Ark had just begun to accelerate, and the first air assault of the beast wave arrived. Thousands of aerial beasts roared in, covering the sky above the ark group in a blink of an eye!

Then they are tragic.

The arks are arranged in a dense formation. Each ark has more than 30 double-mounted rapid-fire guns. When the six arks are gathered together, they form a group of more than 200 rapid-fire guns. The firepower is extremely fierce and complete. There are no dead ends.

Hundreds of fiery flames swept across the air, sweeping down large swaths of beasts in the air. These war beasts also adhered to their past habits, calling loudly, hovering in the air, and then looking for opportunities to dive and slam their prey. However, the firepower of the Ark was too fierce, and the battle beasts had to hover in the air by half.

The few remaining war eagles broke through the fire net and pounced on the ark, only to find armor piled everywhere. Their teeth and claws are extremely powerful, and a large piece of armor will be ripped off with a bite and a scratch. However, the armor thickness of the Ark is measured in meters, and this damage is at most a scratch.

There were many hidden bunkers on the surface of the ark. The soldiers stationed suddenly opened fire with large-caliber weapons, killing the beasts that were caught off guard.

In a blink of an eye, the first wave of flying troops was completely wiped out. Not only was it a close combat attack, but even a small group of high-altitude beasts failed to escape their bad luck and was cleaned up by rapid-fire guns.

No matter how powerful the body of the beast is, it can hardly resist the powerful rapid-fire cannon shells. These cannonballs can't penetrate them, they can only blast large holes in them, but this kind of damage is enough, they fall to the ground one by one.

The Ark Group did not stop at all, but accelerated to leave. At this moment, the earth can already feel the obvious vibration, and the smoke and dust are everywhere in the distance, I don't know how many war beasts are swarming!

The overwhelming group of alien animals rushed up at an astonishing speed, and their instantaneous speed even approached 200 kilometers. Compared with the previous alien beasts, they are significantly stronger, faster, and more powerful in attack.

The group of alien animals caught up with the Ark in a blink of an eye. The rapid-fire cannon fired wildly, smashing a bunch of strange beasts flying everywhere, but it still couldn't completely block the approach of the group of strange beasts.

A large number of alien beasts climbed onto the ark in a blink of an eye and began to tear wildly. Their attack power was much higher than that of flying beasts. In a blink of an eye, several surface bunkers were torn open, and the soldiers inside were dragged out alive, and were torn to pieces in an instant.

However, even though the Ark was covered with beasts, it was still driving at high speed without stopping.

Suddenly hundreds of chariots appeared in front of them, and the chariots had already been ordered, and they were facing the Ark from a distance. They all fired high-explosive projectiles, ejecting countless metal projectiles, giving an indiscriminate baptism on the surface of the ark.

The power of the tank cannon is completely bearable for the Ark, but the alien beast is not so comfortable. A large number of projectiles smashed them into the flesh, blood shot, and the pain fell from the ark, crying.

The chariot group and the Ark group mixed together and retreated together. The Ark uses barrage to intercept the group of alien animals, and the chariot is responsible for picking up the alien beasts that rushed through the barrage.

However, there are too many different animals. The drivers of each tank are veterans who have experienced many battles, but they dare not be distracted at all. They can only shoot desperately by instinct.

The fierce battle lasted for nearly half an hour, fighting for a full 40 kilometers, the strange animal group was exhausted, and was finally left behind.

In the fierce battle along the way, the group of different animals paid the price of tens of thousands, and in the end only destroyed more than ten tanks.

With the Ark and the tank mat, the fragile truck convoy was able to safely withdraw to the base.

Then the Ark Group and the Chariot Group also retreated, and the Ark immediately entered the designated position, while emergency replenishment of ammunition, while defending on the spot, while the Chariot Group entered the base and regrouped in the rear.

After a while, the entire No. 2 base was filled with a heavy murderous intent, like a dormant hunter, quietly waiting for the arrival of the beast tide.

A few hours later, a black tide line appeared on the distant horizon. The tide of beasts did not rush over at once, but slowly approached. The land is thousands of meters wide just by the tide line, and there are no knowing how many beasts are hiding in the billowing smoke. The only thing I know is that the scale of this beast tide is larger than the previous one, and its combat power is even more terrifying.

Chu Jungui stood on the top floor of the command building ~lightnovelpub.net~ and looked at the beast tide. Numbers were constantly beating in his field of vision, locked on a beast that had never been seen before, or had obviously mutated.

The numbers were beating crazily, and at a glance, the beasts Chu Jungui saw were close to one hundred thousand, and follow-ups continued to appear!

This is an unprecedented wave of beasts, enough to level several bases like the Shadow of Doomsday in the Federation, and the original base No. 2 will be leveled seventeen or eight times. It is far more numerous than before, and there are several new beasts in it. Among them, there are several hill-like figures in the middle of the beast tide. Every step it takes will cause the earth to shake, even standing in the command building. Chu Jungui can also feel it.

The smile that Li Ruobai used to keep next to him seemed a little reluctant at the moment, saying: "These guys don't seem to have made much progress. They always don't pay attention to the air force. If there are more missiles of that kind..."

Before he finished his words, he saw a dark cloud appearing in the distant sky, coming quickly!

If you get closer, you can see clearly, that is not a dark cloud, but countless live missiles!

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