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But this trick has been seen through by the alien, and it only took 30 seconds for the big alien to use corrosive liquid + claws + tail thorns to successfully merge with the alien on the other side and escape from the sea of laser fire.

Due to the vigilance of the alien, the effect of this raid was very bad, and only one of the tail spines of the alien was broken, and looking at his slowly wriggling broken tail, it would not take a few minutes to grow.

"What should I do?" Wang Han put down the remote control device: "The weapon system in the underground space has been familiar to the aliens, and they will not make the mistake of underestimating the enemy again." The result of one death and one minor injury is already an unexpected surprise, do you want to stop and reach the bottom quickly? ”

Kirk categorically vetoed: "If you fight a tiger, you will not die, but you will suffer from it." The two-headed alien reincarnators already hate us, and they are also going to the bottom. Even if we control the observatory with a space USB stick, if they arrive and destroy, it will still be inevitable to fight. We would like to take advantage of the last opportunity to surprise these uninvited guests on behalf of the hospitable inhabitants of the earth. ”

The lightly wounded alien tail spike whipped away a guard protruding from the secret door, the M16's bullet sparkling its carapace, and its hideous face became even more terrifying with rage. Its tail thorn twitched in the guard's body, the guard's fat face slowly thinned, the muscle tissue was being pumped into the alien's body one by one, and the alien's injuries were slowly recovering.

In the end, a fat man weighing 180 pounds was sucked alive and made into a person of less than 100 catties, and he fell to the ground weakly.

The damaged tail spines of the slightly injured alien were completely repaired and vividly waved behind them. Becomes thicker and more powerful.

It roared in anger and rushed forward. The largest xenomorph roared twice, as if to remind it to stay safe.

Ahead is a narrow titanium corridor, which is the only way to the 13th floor. At every important juncture, there will be such a corridor.

The lightly injured alien rampage, the tragic death of his companion, and his own injury made him, who had always despised this task, very irritable. It's in a hurry to sneak into the control room and kill everyone who manipulates!

But the enemy repeated the same trick again, and an alloy gate fell heavily. Separate the two aliens again!

Forthwith. Black contraptions the size of buttons slide down the smooth alloy walls above and below and on both sides!

In the narrow titanium alloy channel, which is only one meter wide and 2.5 meters high, a laser net suddenly appeared!

This laser mesh, with a temperature of up to tens of thousands of degrees, can silently cut through any metal and object. Any living organism, of course!

Dense lasers. The result is a dense laser mesh with a gap of less than one square inch! Swipe over quickly!

This is the highest level of red alert clearance that Kirk has activated with the guards. Mobilize the full energy of the backup generator and launch another mortal snipe against the alien!

The two sides fought with wits and courage, but the only difference. The Kirk team predicted the existence of the alien in advance, and their luck was a little better than the alien, and with the internal pass card provided by Researcher Jane, they could arrive at the monitoring center 3 minutes earlier!

It was these three minutes that became the key to the two sides to change the momentum!

Kirk and the others have the highest authority for the entire observatory's guard power, and make full use of it, using all their strength to deal with the aliens, and repeatedly launch snipers!

The injured alien was furious, but it didn't panic, and a black metal ball was thrown to the ground by him!

A white flash flashed through the entire titanium channel.

The laser net actually flashed a few times, and many laser beams disappeared!

The emitter that fueled the laser emitted black smoke and was damaged.

"It's mostly a concussive energy bomb that can destroy laser weapons." Wang Han calmly analyzed: "It seems that the enemy does have technology that is many years ahead of us. This thing is still controversial in theoretical circles, and the enemy has already been put into real combat. But it looks like a precious prop. Otherwise, the xenomorph that was killed just now will definitely be used. ”

But the laser beam is too dense, and there are still many lasers trembling and cutting towards the alien.

The Xenomorph swooped in an eerie manner, stepping on the wall, its thick tail spines hooking onto a launcher on the ceiling, and occasionally burrowing through the gap.

But is Kirk an easy man? The moment it passed through the gap of the laser mesh, all the laser meshes suddenly changed their trajectory, from horizontal cutting to vertical cutting!

With an earth-shattering scream, the catastrophic tail that the alien had just recovered was cut off again, and at the same time, one of its hind legs was cut in half!

It slammed to the ground, green blood splattered on the alloy walls around the ground, and the laser net changed and swept sideways again!

Under the manipulation of Kirk and others, the laser has become a smart bird, and it has never deviated from the key point of the alien shape.

But the Xenomorph finally got angry, and it threw three identical shockwave bombs in one go, destroying all the lasers.

Just as it roared in rage, no less than 20 machine guns fell from the ceiling behind it at the same time, setting off a metal storm again!

The most vicious thing about the enemy lies in the targets of the machine-gun fire, in its wounded hind legs and lower abdomen!

The doors on both sides stretched out high-purity ethanol injectors, again the old "ethanol + flame + machine gun + laser". But in this narrow space where there is nowhere to hide, the alien can only rely on its own carapace and flesh and bones to resist!

But the largest alien suddenly erupted with a crazy force, and its muscles began to grow dramatically, and its height of 2.6 meters began to rise to more than 3 meters. The sharp front claws slammed into the 60 cm thick titanium door!

"Boom!"

The whole space seemed to be trembling!

The force of this punch actually hit the titanium alloy door inwardly and seriously deformed!

"Nima, this time the strength is 200 points, right?" Chubby muttered: "It is said that this is a titanium alloy door that the main cannon of the M1N2 cannot break, and it was beaten like this with a punch?" It's too much of a bunker, isn't it? ”

Wang Han analyzed: "It should be a skill similar to us, which has a certain price, but it is huge. ”

Kirk said decisively: "Concentrate on the strength, hit the wounded, and after 10 seconds, we retreat and go to the bottom to prepare to ambush them!" ”

The enemy has already invaded the 13th floor, and they are only one floor away from Kirk, and if they don't hurry, they will be blocked by the enemy, which is not good.

The injured xenomorph roared and crawled towards the alien boss, and along the way, its exposed lower abdomen was chased by laser guns and machine guns, and the yellow juice bodily fluids flew sideways, and the screams were endless.

But it was swept away by the alien boss with a tail thorn and pulled to safety.

Kirk set all the defense levels along the way to the maximum, defined the alien as the "most dangerous target", activated all weapon systems and controlled the fire by the central computer, and led the group out of the central control room.

As he leaves, Kirk also destroys the door control with a punch, so that no one can easily change their settings. They then rushed into the elevator, and Sheva had already skillfully used the computer to reset the cards of the three Janes and authorize access to the lowest level.

Above their heads, xenomorphs attempting to force their way through were constantly being shot at by various weapon systems, roaring with rage, and the sound of metal being destroyed???

The elevator finally stopped at the lowest level.

As soon as the elevator door opened, Kirk rushed out!

Dozens of automatic rifles were fired!

He eats the bullet for 960 HP. Thanks to the sturdy armor such as [Gift of the Lord God] and [Queen Dido's Love], the intensive fire of A+ difficulty is fired, and the bullet on yourself becomes 2.5 damage, otherwise these firepower will not be able to sustain it!

He teleports into the crowd of enemies, and Wolverine's claws begin to slash and suck blood.

After 10 seconds, none of the enemies were able to stand up.

"Strange," Chubby kicked a researcher with a pistol, "I thought the enemy would gather heavy troops at the bottom, but I didn't expect the guards to be so weak." ”

Kirk muttered, "This is thanks to the incredible combat power of the aliens. They should use most of their strength to defend the upper echelons, and the lower echelons are exhausted, and even civilian personnel have to participate in the war to block them. Listening to the sound getting closer and closer, the alien is coming. We speed up. ”

They strolled to the central computer room.

Dozens of researchers, all scientists, crouched on the ground with their heads in their hands in horror.

Kirk glanced at him, "Let's get out of here." There are two aliens coming to kill you, so it's best not to take that elevator and try other escape routes. ”

These are the backbone of the earth's scientific research efforts to fight back against the alien invasion, and Kirk didn't want to lose too much, so he let it go with kindness.

An old doctor nodded, and with an order, the scientists rushed to a hidden passage on the side, which was reserved for scientists to escape to prevent the elevator from catching fire or being occupied by the enemy, and there was an escape elevator inside.

"Thank you for letting me go" The old doctor held his glasses: "I won't go, I've seen them from the surveillance video." They are the goal of my life's research, and I want to stay and get first-hand information through observation, and do my part to eradicate them. ”

Kirk nodded, and Wang Han had already walked to the central computer and inserted the space USB flash drive into the computer.

This space USB flash drive contains the latest technology of space, and can control everything in this observatory with great power. Of course, the premise is that the alien reincarnators have not demolished the observatory, and it seems that they are here to do this.

The two xenomorphs leaped rapidly in a hail of bullets, destroying hundreds of laser guns and countless shooting robots. However, with Kirk's authorization, all the weapons of the entire underground system were mobilized by the central computer to perform unlimited sniping on them.

Although the computer program is relatively rigid, under the dense firepower network, the injured alien is certainly getting worse and worse, even the largest alien has many broken carapaces, body fluids flowing, and roaring angrily. (To be continued......)