Chapter 675: Underground hub

Several serial traps at the entrance of the subway station were easily hacked by Qi Lin and No.4. The two rushed into the subway tunnel with their weapons. However, they had not penetrated more than a hundred meters into the tunnel, and there was a rush of bullets. It was to stop the two of them abruptly.
"It's an automatic defense machine gun... It seems that the entrance chosen by the other party is indeed not here, otherwise the machine guns hanging on the top of the tunnel cannot still exist." Qi Lin said.
Using the overlapping dragon scales as a cover, Qi Lin used the m107 sniper rifle to destroy the automatic defense machine guns one by one.
However, the mastermind's methods are obviously not limited to this. As soon as Qi Lin exploded the last machine gun, dozens of skeleton-like mechanical soldiers staggered out from the depths of the tunnel.
The end of the left arm of these mechanical soldiers is a pair of rusty hooks and hooks, and the right arm is directly welded to the barrel of the large-caliber assault rifle. This simple and rude combination made Qi Lin sigh slightly. After all, what they are facing is only the "master brain" simulated by the "organization". The combat effectiveness of these low-cost mechanical soldiers may not be as good as the type produced by Yamato Heavy Industries.
If their goal is the real mastermind, they are probably not facing these simple mechanical soldiers, but a large number of biochemically transformed mutant creatures and almost endless flesh and blood puppets.
On the 4th, the four layers of dragon scales were stacked on top of each other, and the bullets of the mechanical soldiers hit the outermost dragon scales, constantly making crisp noises, reverberating in the tunnel, and Qi Lin followed behind No. 4, sticking out a gun from time to time, killing a mechanical soldier with one blow.
It seems to save materials. These mechanical soldiers do not even have the most basic armor. The power components and core chips are barely exposed. Qi Lin can't even use the m107. Only 5.56 nato bombs can do it. One gun.
"It feels a bit wrong... The strength of these mechanical soldiers is too weak, even if it is a simulation mastermind, it is impossible to have this strength, otherwise the training effect will not be achieved at all..."
It only took Qi Lin more than three minutes to put all the mechanical soldiers on the ground, which was even shorter than the time it took them to solve a breakfast.
"I think it’s a bit strange... The target drones we face in our daily training are not so weak... These things are like welding weapons to civilian robots, and there is no sign of remote control. They are all in place. In the state of self-discipline, the hit rate of the strafing is very low, and more than one-third of the bullets hit the walls and ceiling on both sides." The fourth analyzed further.
"I think the main force of the main brain is dealing with those two guys. After all, it is a simulated main brain with limited computing power. For the uninvited guests of the two of us later, there is only this kind of self-disciplined robot to resist."
"Then are we still in time?"
"It's hard to say, I have to speed up... Damn, it's the first time I hope that the mastermind's strength can be stronger, so that the two people can be held back."
After speaking, Qi Lin quickly ran towards the depths of the subway tunnel...
...
...
ten minutes later.
"Huh...Is this the ‘underground hub’ that the captive said?"
The so-called subway is just a "mask". Only the section of the platform imitates the subway station of the old age. The length of the rail is only less than one kilometer. If you go inside, only one is left. In the simple excavation of the tunnel, except for the flat ground under the feet, the sides and overhead are all exposed rock formations with unevenness.
After passing through this tunnel, an empty underground space appeared in front of Qi Lin and No.4.
"This...this should be a small refuge reformed..." Number Four said with some surprise.
"It's possible." Qi Lin nodded.
What appeared in front of the two of them was a completely mechanized city...No, it was not so much a city as a factory, but at this time, the giant factory seemed to be in a state of stagnation. At a glance, people can see a large number of skeleton-shaped mechanical soldiers hanging motionlessly on the hook frame of the assembly line, and beside the assembly line, there are also a large number of cast iron armor plates.
"It seems that the reason why the mechanical soldiers we encountered are so weak is because they are some semi-finished products. In that case, we have to thank our opponents."
"They are there!" Number Four said, pointing to the central area of ​​the "factory". It was an all-metal computer room. The door of the computer room had been destroyed, and replaced by an advanced baffle with shooting holes. "The Shield of Immortality."
Compared with the dragon scale carried by the number four, the "Immortal Shield" weighs more than twice, not only because of the difference in material, but in terms of thickness, the 20 cm thick Immortal Shield is used as a main battle tank. The frontal armor is more than enough, and the thickness of the dragon slab is only four centimeters.
Unlike dragon slabs, which can be flexibly combined and deformed, can be used as bulletproof shields and used to build temporary fortifications, the immortal shield is simply a "door panel" with high enough defensive power. Few people are in mobile combat. This kind of heavy equipment is often used to provide cover for heavy machine guns fixed on the ground. Although a large number of advanced technologies are used and the cost is very high, this awkward equipment has not been When it was developed, it was on the verge of elimination~EbookFREE.me~ Before Qi Lin was wondering why the organization would provide the "Immortal Shield" for them to choose, but now, the other party's approach is obviously to make this piece of immortality The role of the shield has been brought into full play.
Not to mention the large-caliber assault rifles in the hands of robotic soldiers. Even small-caliber artillery can use this iron lump. As for some mutant creatures that have undergone simple biochemical transformation, they are not even close to the door of the machine room. The tongue of fire spit out from the shot hole was torn into pieces.
The opponent has already occupied the computer room, and the cracking operation is obviously in progress. If the simulation master brain cannot break this situation, then the distance is closed, it is only a matter of time.
"What should we do? The mastermind's men can't break the immortal shield, and we can't do anything with it." asked the fourth.
As mentioned earlier, the thickness of the Immortal Shield is 20 cm, and the position of the shooting hole has been deepened. If it is not a vertical angle, even if the sniper aims at the shooting hole, it is difficult to injure the person behind the shooting hole.
In order for the bullet to pass through the shooting hole, the trajectory and the Immortal Shield must form a nearly vertical angle.
The structure of the entire underground hub is a round well spiraling downwards from the edge. The machine room and factory are located at the bottom of the well, while Qi Lin and the others are at the edge of the well. If Qi Lin wants to find a suitable shooting angle, He needs to face more than just the opponent's guns, he also has to fight a path among a large number of mechanical soldiers and biochemical monsters.
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