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

Due to the alien's vigilance, the effect of this attack was very poor. Only one of the alien's tail spines was broken. Judging from the slowly squirming tail, it would have grown back in just a few minutes.

"What should we 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 flatly rejected: "If you kill the tiger, you will suffer from it. The two alien reincarnations already hate us to the bone, and they will also go to the bottom. Even if we control the observatory with a space USB disk, if they arrive and destroy it, they will still

A battle is inevitable. We must use our last opportunity to give these uninvited guests a big surprise on behalf of the hospitable inhabitants of the earth."

The slightly injured alien tail spurred away a guard protruding from the secret door. The bullet from the M16 hit its carapace, sparking a burst of sparks. Its ferocious face became even more terrifying because of its anger. Its tail spike hit the guard

There were twitches in the body, the guard's fat face gradually became thinner, muscle tissue was being pumped into the alien's body one after another, and the alien's injuries were also slowly recovering.

In the end, a fat man weighing 180 kilograms was sucked alive into a man weighing less than 100 kilograms, and fell to the ground helplessly.

The damaged tail spines of the slightly injured alien were completely repaired, and they were waving behind them vividly, becoming stronger and more powerful.

It roared angrily and rushed forward. The largest alien roared twice, seeming to remind it to pay attention to safety.

Ahead is a narrow titanium alloy corridor. This is the only way to the 13th floor. There will be such a corridor at every important moment.

The slightly injured alien rampaged past, the tragic death of his companions, and his own injury made him, who had always despised this task, become very irritable. It was eager to sneak into the control room and kill everyone who was controlling it!

But the enemy repeated his old tricks again, and an alloy door fell heavily, separating the two aliens again!

Immediately, black devices the size of buttons slid over from the smooth alloy walls above, 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 kind of laser network with a temperature of tens of thousands of degrees can silently cut through any metal and object, including of course any living thing!

The dense lasers form a dense laser network with a gap of less than one square inch! Slide over quickly!

This is Kirk borrowing the highest level of red alert authority activated by the guards, mobilizing all the energy of the backup generator, and launching another fatal sniper attack on the alien!

The two sides battled wits and courage, but the only difference was that Kirk's team had predicted the existence of the aliens in advance, and their luck was a little better than the aliens. With the internal access card provided by Researcher Jian, they could arrive at the monitoring center 3 minutes earlier!

It was these three minutes that became the key for both sides to change the situation first!

Kirk and the others have the highest authority over the entire observatory's guarding force, and make full use of it to deal with the aliens with all their strength. They launch sniping attacks repeatedly!

The injured alien was extremely angry, but it did not panic. A black metal ball was thrown to the ground by him!

A sharp white light flashed through the entire titanium metal channel.

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

The transmitter that activated the laser emitted black smoke and was damaged.

"This is probably a concussive energy bomb that can destroy laser weapons." Wang Han analyzed calmly: "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 actual combat.

But it looks like a precious prop. Otherwise, the alien that was killed just now would definitely use it."

But the laser beams are too dense, and there are still many lasers that are trembling and cutting towards special shapes.

The alien swooped strangely, stepped on the wall, and hooked its thick tail spine on a transmitter on the ceiling. It slipped through the gap in an instant.

But is Kirk an easy person? The moment it passed through the gap in the laser net, all the laser nets suddenly changed their trajectories, from horizontal cutting to vertical cutting!

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

It fell heavily to the ground. Green blood spattered around the alloy wall, and the surrounding alloy wall sizzled. The laser net changed accordingly and fired horizontally again!

Under the control of Kirk and others, the laser turned into a smart bird, never leaving the alien's core.

But the alien finally became angry, and it once again threw three identical shock wave bombs, destroying all the lasers.

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

The most vicious thing about the enemy is that the target of the machine gun fire is on its injured hind legs and vital parts of its lower abdomen!

High-purity ethanol injectors protrude from the doors on both sides, and it's the old formula of "ethanol + flame + machine gun + laser". But in this narrow space with nowhere to hide, the alien can only rely on its own carapace and flesh and blood to resist.

!

But the largest alien suddenly burst out with a burst of crazy power, and its muscles began to grow significantly. Its height, which was already 2.6 meters high, began to skyrocket to more than 3 meters. The sharp front claws punched a 60-centimeter-thick titanium alloy.

On the door!

"Boom!"

The whole space seemed to be shaking!

The force of this punch actually caused the titanium alloy door to be severely deformed inwards!

"Damn it, the power of this blow is a full 200 points, right?" Xiaopang murmured: "It is said that this is a titanium alloy door that cannot be broken by the main gun of M1N2, but it was hit like this by a punch? This

Isn’t it too fortress?”

Wang Han analyzed: "It should be a skill similar to ours. It has a certain price, but it is very powerful."

Kirk said decisively: "Concentrate our strength and attack the injured. After 10 seconds, we will retreat and go to the bottom to prepare to ambush them!"

The enemy has invaded the 13th floor, and is only one floor away from Kirk and the others. If we don't hurry up, the enemy will intercept us here, which is not a good thing.

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

But in the end, it was swept away by the alien boss with its tail thorn and pulled to a safe area.

Kirk set all the defense levels along the way to the highest level, defined the aliens as the "most dangerous targets", activated all weapon systems and controlled the firing by the central computer, and led everyone out of the central control room.

When leaving, Kirk also punched and destroyed the door control device so that no one could easily change their settings. They immediately rushed into the elevator, and Sheva had already skillfully used the computer to reset the cards of Jane and the others and authorize them.

The lowest level of access rights.

Above their heads, the aliens trying to break in were constantly being shot by various weapon systems, and angry roars and the sound of metal being destroyed were constantly heard.

The elevator finally stopped at the bottom floor.

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

What hit us was a metal storm fired by dozens of automatic rifles!

He ate the bullets with 960 health points. Thanks to the strong armors such as [Gift of the Lord God] and [Queen Dido's Love], he was able to shoot the intensive firepower of A+ difficulty, and the bullets shot on his body became

2.5 points of damage, otherwise the firepower won’t be able to withstand it!

He teleported into the enemy group, and Wolverine's claws began to slash and suck blood wildly.

After 10 seconds, no enemy can stand up.

"Weird." Xiaopang kicked a researcher holding a pistol and said, "I thought the enemy would gather heavy troops on the bottom floor, but I didn't expect the defense force to be so weak."

Kirk mused: "This is thanks to the amazing fighting power of the aliens. They should use most of their strength to defend the upper levels. The lower levels are at their wits end, and even civilian personnel have to join the fight to stop them. Listening to the sound getting closer and closer,

The aliens are coming. Let’s hurry up.”

They strolled towards the central computer room.

Dozens of researchers squatted on the ground with their heads in their hands in horror. They were all scientists.

Kirk glanced at him: "Everyone, please run away quickly. There are two aliens coming to kill you. It's best not to take that elevator and try other escape channels."

These are the backbone scientific research forces of the earth to fight against alien invasion. Kirk did not want to suffer too much loss, so he let them go in good faith.

An old doctor nodded and gave an order, and the scientists rushed to a hidden passage aside. It was for the scientists to escape in case the elevator caught fire or was occupied by enemies. There was an escape elevator inside.

"Thank you for letting me go." The old doctor adjusted his glasses: "I won't leave. I have seen them from the surveillance video. They are the goals of my lifelong research. I want to stay and obtain first-hand information through observation.

, do your best to eliminate them.”

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

This space USB flash drive contains the latest technology in space, and can powerfully control everything in this observatory. Of course, the premise is that the alien reincarnations have not demolished the observatory, which seems to be what they are here to do.

The two aliens jumped quickly in the hail of bullets. They had destroyed no less than a hundred laser guns and countless shooting robots. But under Kirk's authorization, all weapons in the entire underground system were mobilized by the central computer to attack them.

Implement unlimited sniping.

Although the computer program is relatively rigid, under the intensive firepower network, the injuries of the injured aliens continue to worsen and worsen. Even the largest alien has multiple carapace damage, body fluids flowing, and roaring continuously. (To be continued...)

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