In his sight, he could see that the cleaners would lose a red thread every time they drained a zombie.

The fused Cleaner was fine. As it grew in size, the number of red threads also increased several times.

Those cleaners who are in the initial state are not so strong.

When all their threads disappeared, they ignited directly in the air, and then rushed into the corpses like cannonballs and exploded.

The blue-white flames that exploded were different from normal flames.

Somewhat similar to the effect of biological acid.

As long as it sticks a little, it will spread all over the body.

Fortunately, the flame has a duration limit. The flame of an ordinary Cleaner after self-destruction can only burn for about 10 seconds.

Once 10 seconds pass, no matter how burned the ignited zombies are, they will stop immediately.

It’s really the one that purifies everything!

Under the attack of the liquidators, the corpse group quickly retreated.

Occasionally, a corpse ball composed of splicers would try to attack the formation, but Zhao Feng would decisively fire and capture it.

Follow the army of Cleaners into the tunnel inside the door.

It seemed that the entry of B-class authorized persons was detected, and the fluorescent lights above the head lit up one by one, illuminating the slowly downward super long tunnel.

As the lights came on, the passage was still packed full of zombies, let alone ordinary zombies.

There are even more variants emerging in endlessly.

For example, he had seen many worm zombies and hunters before.

After entering the passage, the acid sprayed from the front never stopped.

However, when facing the Cleaners with a biological stance, these acids are in vain.

Even the acid's indiscriminate attack helped Zhao Feng speed up his advance.

The hunters are even more helpless in front of the cleaners.

After all, no matter how fast you are, how can you be as fast as those red silk threads as dense as a spider web? If you dare to rush over, you will be given away.

Zhao Feng, who was following behind, was very leisurely at this time~

A battle of this intensity basically does not require his participation.

In order to save mental energy, the auxiliary function was not even turned on from beginning to end.

Except for the splicers who can cause some trouble, the attacks of other mutants are just like a joke in front of the established liquidators.

Of course, although the "zombie ball" is troublesome, it is huge and visual attacks alone are enough to deal with it.

As it continues to move downward, thousands of zombies die every minute.

Or their bones were knocked, their marrow sucked out, and they were turned into corpses.

Or burned into ashes by blue and white flames.

Soon he followed the sweepers to the end of the passage.

At the end of the passage, there is another door, but this door has been opened.

Staring at the dark environment behind the door, Zhao Feng raised his hand so that the searchlight on the rocket glove could shine farther.

After taking the photo for a long time, I still couldn't see the end of this space.

It can only be determined that there is an extremely wide area outside the passage.

Countless cleaners behind him were still rushing in frantically.

After irradiating all around him, he didn't dare to act rashly.

Zhao Feng clearly understood that he was the only living person in the underground world.

The breath of his fresh flesh and blood will surely attract all the zombies like a candle in the dark night.

As the prompt says, he can only explore this area safely under the protection of many sweepers.

Fortunately, the influx of cleaners in the passage behind him did not slow down and was still a steady stream, which made him feel at ease a lot.

Once upon a time, he was so scared by these things that he almost peed his pants.

Now he is "protected" by them in the center, which is really unpredictable.

For a moment, Zhao Feng looked at the cleaner. . .

Still a little scared.

Nothing else, the spine matches the head, and the silk threads are glowing red. Seeing this thing at night is so fucking creepy.

Zhao Feng stood at the door and hesitated for a long time. Suddenly he remembered that when he came in before, there was a console on the right side of the door.

It might be the same here, so I raised my hand and looked to the right.

Sure enough, I also found something similar.

He walked over and skillfully inserted the B-level researcher permission card into it.

The three-dimensional projection appears again. Follow the translation of the text on it and click on low-power lighting.

There was no way, the remaining energy was too little. He tried other options, but they all showed insufficient energy and could not be started.

After clicking, there seemed to be a dull sound of the switch merging overhead.

"Kuang, kuang, kuang..."

Along with the sound of closing the door in the distance, starting from the gate, circles of lights gradually lighted up.

The city skyline, which was activated again after many years, illuminated the surrounding scenery clearly.

Standing in front of the console, Zhao Feng couldn't help but turn his head and look at the re-lit underground city.

The underground city slowly unfolding in front of him like a movie curtain made him open his mouth.

This is a huge underground city.

The crystallization of the wisdom and strength of the Daleros people.

As the lights gradually come on, the visible area of ​​the city continues to expand.

The structure displayed by the canopy that lights up overhead is not a simple hemisphere.

Instead, it is made up of multiple hemispheres. The area of ​​​​this underground city must be larger than imagined.

His location is slightly higher than the buildings in the city.

To enter from here, you only need to walk down a gentle slope that slopes downward.

Length approx. . . can not see.

Yes can't see it.

Under the light, everything Zhao Feng could see were zombies.

From his position to the city buildings in the distance, this semicircular square with a radius of more than 500 meters wide was filled with zombies

If you compare this area horizontally, it is not much worse than Tiananmen Square on Earth.

You must know that Tiananmen Square covers an area of ​​880 meters * 550 meters and can accommodate 1 million people.

Here, the density of people will be even more terrifying because they are full of zombies who have no intelligence and do not understand safe distances.

The density of zombies per square meter may exceed 20.

Calculated, there must be at least 7 million zombies in the entire square.

It's enough to call it a zombie tide.

Compared with here, the zombies I encountered before were nothing.

Looking down, 30 meters away, a wave of corpses like waves continued to hit the defense line formed by the liquidators.

Previously, Zhao Feng thought that there were so many cleansers and they were really powerful.

Now when I look at it, hey, that’s it.

Fei was suppressed by the zombie tide and couldn't fly. Any cleaner who dared to rush into the zombie tide would be dragged to the ground by dozens of zombies in the next second.

Once dragged into it and faced with so many zombies, if the Cleaner fights back, it will be torn apart instantly because it cannot generate a biological stance.

If you stand up for things, you are waiting for death!

However, with the character of a cleaner, he will not give in to zombies, and he will not be afraid of dying together.

Even if the number of liquidators is still increasing at this time, compared with this huge tide of corpses, it is a drop in the bucket.

We can only maintain the status quo.

. . .

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