Chapter 10

Zhao Feng, who has the advantage of location, only needs to attack when they get closer to 1-2 meters.

At this time, there are two kinds of scenery inside and outside the passage.

In the tunnel, the dozens of zombies pouring in were first pierced by an energy beam from head to tail, and then the energy exploded, blasting all the zombies still queuing up at the entrance slope to pieces.

Immediately afterwards, the zombies in the passage were ignited because of the wounds, and the fire quickly expanded and spread to the whole body, and they were burned to ashes in a short while.

Outside the channel, the sloping upward exit will spray several meters long flames every once in a while.

Along with the flames, there were also a large number of limbs and arms that were torn into pieces by the explosion.

Many zombies who were still approaching foolishly were sieved by the ejected pieces of meat and bones.

In his current state, zombies are no threat at all

While eliminating the zombies, the system is constantly sending good news about the increase in experience points. . .

Every time the trigger is pulled, dozens of experience points will be recorded.

【经验值+1】x39、【经验值+1】x27、【经验值+1】x36
Stimulated by such a beautiful notification sound, Zhao Fengshuang couldn't stop at all.

It didn't take long for him to kill more than 1000 zombies.

It stands to reason that there is simply no room for so many corpses in this passage.

But in fact, the rapidly ignited corpse quickly burned out, and the ventilation holes in the room long ago ensured sufficient oxygen.

Of course, this defense system is not perfect, and there are still many problems.

After half an hour, the flaws in the design were gradually revealed.

The first thing to cause trouble was the half-meter-thick iron plate channel, its heat conduction ability was too strong, like turning on a stove.

After half an hour of burning, the temperature inside the safe house has risen to 32°C.

And still rising.

Also, a foul smell filled the space.

Even the constant infusion of fresh air through the vents cannot dispel it.

The longer this smell lasts, the more uncomfortable and nauseating it becomes.

No way, the zombie's body is not all fat, but also internal organs and bones.

The flame needs to completely evaporate the water in it before it can be completely burned.

A lot of smoke will definitely be produced during this period.

Among them, the lighter ones will float away, the heavier ones will sink, and the slightly more active ones will spill around.

This gas, without even thinking about it, is designated as poisonous.

If not solve these two problems.

In another half hour to an hour, the zombies may not need to break through the defense.

They will be the first to be smoked into stinky meat, or fried into teppanyaki.

that's the truth.

After more than 10 minutes.

At this time, Zhao Feng's eyes were red from the smoke, and he was no longer as proud as before.

Li Ruolan was even worse, she had fallen to the ground at some point, panting heavily.

This situation let him know that it cannot go on like this.

Glanced at the remaining energy of the drilling laser.

[78.25%]

'Dry!Fight! '

Turning his head, he first fired two bursts to kill the crawling zombies.

Then he neatly put the drilling laser behind his back, went to the side and pulled out the thick pin.

He raised his hand and grabbed the handle, slowly pushing away the wall that was more than ten centimeters thick.

The side door that he and Li Ruolan came in before was a secret passage.

And the wall he is pushing away now is, in a sense, the real "main entrance".

The purpose of opening the main entrance is simple, to clear the passage.

In the final analysis, the source of the poisonous gas is the burning corpses, and the source of the high temperature is also them.

As long as the channel is emptied every once in a while, poisoning can be completely avoided.

Of course, this kind of operation is very dangerous.

But compared with chronic death, a little danger is actually nothing.

The protagonist of the cleaning task is still the S-shaped drilling laser in his hand.

Relying on the energy surface sprayed in its default mode, it can completely clean up the residue of corpses on the ground, poisonous gas and dust in the air.

It can also be regarded as fighting poison with poison in a certain sense, and putting out fire with "fire".

As the door was fully opened, a scorching and foul smell came over the surface.

What caught his eyes was a scene like purgatory.

The channel that was originally made of iron plates has now become a corridor of flames.

The bones all over the ground continued to make "crackling" explosions in the flames.

The originally pitch-black wall was burnt red, and a pitch-black poisonous mist billowed overhead.

Suppressing the discomfort, Zhao Feng adjusted the drilling laser to the default mode.

Accompanied by bursts of humming, a thick red beam of arms sprayed out from the muzzle of the gun,
After the beam of light was ejected for half a meter, it gradually expanded and spread, and the bound plasma quickly formed a familiar energy surface, completely covering the passage.

The burning bones at the door, the poisonous smoke, and even the foul-smelling gas in the air were all annihilated or pushed away under the impetus of super-powerful energy.

Taking a deep breath, Zhao Feng stepped into the passage.

As soon as he entered, violent heat waves rushed from all directions to wrap him in it.

This level of heat wave is simply unbearable for the human respiratory system.

In this high-temperature environment, if you dare to breathe, the nose, pharynx, respiratory tract and even the lungs will be instantly burned by the heat, causing congestion, edema, and then ulceration.

At the same time, when the respiratory system is stimulated to such a degree, it will produce an irresistible physiological reaction.

Cause continuous coughing and inhalation, continuous vicious circle, finally only a dead end.

Fortunately, Zhao Feng had expected it before entering, and took a deep breath in advance.

After entering the tunnel, hold your breath completely.

This wave of crisis has been avoided.

Of course, the damage caused by hot air to the human body is not limited to the respiratory tract.

After entering the channel, the water in the body will also evaporate quickly.

Before he took a few steps forward, a lot of sweat poured out of Zhao Feng's cheeks.

The body is fine, wearing the original protective clothing, barely able to withstand the high temperature air close to 75 degrees in the passage.

But the exposed face and neck are painful to be licked by the scorching air.

The sweat was evaporated by the high temperature almost as soon as it came out, leaving only strips of salt stains.

The insulating boots on the feet began to melt when they stepped on the iron plate.

No matter from which point of view, there is not much time left for him, and a quick decision must be made.

The only good news is that the resistance caused by these bones is completely incomparable with that of soil and mine layers.

Zhao Feng moved forward almost at a jogging speed.

In 10 seconds, it only took him 10 seconds to completely unblock the channel, and it became clean in an instant.

Then he stepped back without hesitation.

But the zombies outside would not let him withdraw so easily.

The zombies that poured in again howled wildly, ignoring the high temperature in the passage and the energy barrier between the two, and rushed towards Zhao Feng recklessly.

Ignoring the high temperature, they will lose a little flesh and blood at most.

Ignore the plasma ejected from the drilling laser, and they will be instantly wiped out.

All the way back, the ordinary zombies did not cause much trouble to him except for bumping into them and receiving a wave of lunch.

It wasn't until the entry of the worm zombies that Zhao Feng became a little vigilant.

I saw that after they entered the tunnel, they opened their ring-shaped mouthparts full of fine teeth.

After a brief pause, his abdomen suddenly contracted, and he spit out a large amount of acid in his direction.

. . .

(End of this chapter)

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