The remaining six people walked through the rest of the dozen or so floors safely.

With Huang Mao's painful lesson, they were careful and cautious all the way down.

Except for an extra scratch on Coke's leg, Lao Jiang's arm was also dislocated once, so there was no other injury.

Shi Qi became more and more uneasy.

how come?How could they pass through so many layers so easily?

In the end, not only Shiqi, but even Coke noticed that the ohms they encountered seemed to be moving slower than usual.

Qin Ai said that this might be because Ohm was supposed to be in hibernation and had just woken up, so his movements were slow.

But Hull told Shiqi that when they went down to the -[-]th floor, the voice that made him a little nervous disappeared.

It was as if the source of the sound knew they had reached their destination.

Shiqi hated this feeling that the enemy is in the dark and I am in the light.

The negative nineteenth floor should be the bottom of the reservoir. Once you get out of the stairwell, you will see a huge pool. There are two locked doors beside the pool, and there is a dirty and opaque glass window between the doors.

The top of the pool was so high that it couldn't see the top, Shi Qi recalled it, and it seemed that the top was not the place he just looked down on.

The air on this floor is unusually humid, and the disgusting musty smell in the air is extremely heavy.

Coke wiped the dirty glass window. The furnishings inside looked like a laboratory, and there was a row of valves on one side of the wall.

"Where is the database?" Shi Qi asked looking at the swimming pool five or six times larger than the swimming pool in the safety zone.

Coke held up the tablet and scanned around for a long time, and finally stopped by the pool full of black unknown substances, the corners of his mouth twitched: "Below... there is an old coded door on the wall of the pool, and behind the door is the host computer. gone."

After finishing speaking, he quickly took two steps back, away from the pool.

Does anyone know why there is still water here?Who knows what's under that layer of blackness?

Woo woo woo, he was scared.

"The water has to be drained..." Coke pulled out the pipeline map and looked at it, then pointed to the inside of the glass window: "...there is a valve in there."

Shi Qi raised his gun, and slammed it hard at the rusted handle on the metal door with the butt of the gun.After a few hits, the green-to-black doorknob fell off.

"Hey, disgusting." He muttered, he reached into the hole behind the doorknob and fiddled twice, successfully opening the door.

"Hey..." Glancing at the black unknown substance rubbed on his fingers, Uncle Shi frowned in disgust, and then rubbed on Hull's sleeve.

Hull: "..."

"There is another place." Coke stopped the teammate who was about to go in, and pointed to another place on the buried pipe map: "We have to go to the main control room to open the drain valve."

"What kind of anti-human design is this?" Qin Ai couldn't help complaining: "To flush a toilet, you have to open two doors?"

"That's why we closed it for renovation..." Coke scratched his head: "The main control room is on the tenth floor, let me go up, and see if I can activate the backup energy source."

The fat man glanced at Hull: "Shall I go up with Coke?"

Qin Ai also volunteered: "The kid has a leg injury, so I'll go up with him too."

Hull nodded, and then looked at Lao Jiang: "Lao Jiang will stay, and you should open the door later."

So the six soldiers split into two groups. Coke and the others went up to the main control room to open the drain valve, and the remaining three stayed here waiting to close the water injection valve.

After the three of Coke and the others disappeared in the stairwell, the three people who stayed behind on the negative nineteenth floor retreated into the laboratory.

The moment the door was closed, a ripple suddenly appeared on the dark water.

*

Even though the opponent was retreating steadily, Button Bailey still felt that something was not right.

He could already see the 'building' that the little glasses asked him to lead to the demolition.

That thing looks like a loudspeaker that has been magnified thousands of times. The big horn has a light behind it, and the center is dark. It looks like a monster's bottomless mouth. It opens quietly, as if it is waiting for its prey. Go in willingly.

His team moved forward too easily, and there seemed to be few people on the defense here.

Bailey rubbed the helmet in his hand, and his eyes fell on the place where the two sides exchanged fire in the distance.

That helmet was taken off the head of a dead foreigner.

At first glance, the appearance of the helmet is no different from that of an ordinary military helmet, but it has a strange but familiar rubbery texture to the touch, and there are two slightly weird extensions on the side, like two earmuffs.

Had he touched the same glue somewhere?

Frowning, he found the engineer accompanying the team at the back, and handed over the helmet: "Have you seen this material before?"

The engineer took it, touched it, and looked at it: "Hiss...eh? Isn't this polyurethane?"

"Polyurethane?"

"That's right, but there should be other materials mixed in here, and the touch is different." The engineer returned the helmet to Bailey: "The walls of the meeting rooms in the district are covered with polyurethane, and the sound insulation effect of this material is very good. Well, it can be absorbed almost [-]%..."

Bailey's face changed suddenly, and he pushed the engineer onto the armored vehicle next to him, and at the same time shouted into the intercom: "All personnel immediately withdraw to the vehicle! All personnel immediately..."

As if echoing his roar, the team of ground crews who were at the forefront suddenly fell to the ground one after another like puppets with broken strings, and an invisible big hand seemed to appear in the air, pressing them down like dominoes same down.

Two seconds later, Bailey felt a sharp headache.

It was as if someone suddenly stabbed his temple with a sharp nail, and Bailey knelt on the ground almost immediately in pain.

There were hysterical screams all around, and the unbearable pain made it difficult for Bailey to breathe.

He struggled to pick up the helmet that fell on the ground, and put it on his head with trembling hands; when he brushed over his ears, his fingertips touched a trace of moisture—his ears began to bleed.

After buckling the helmet made of special material, the pain in the head was much less, but Bailey noticed that although the pain in the head was gone, the viscera began to ache.

This shouldn't be the case. The interlayer of the military vests they wear is also filled with sound-absorbing materials. Logically speaking, it shouldn't be...

But obviously there is no more time for him to hesitate now, all the ground personnel fainted, only a few realized that the opponent's sonic attack broke through their own armor, and they all retreated into the vehicle in unison. .

It was too late and then fast, Bailey also turned over and climbed onto the armored vehicle next to him, ignoring the engineer who was already fainting inside, he sat in the driver's seat, stepped on the accelerator, and drove straight towards the big horn .

At the same time, a group of dark things suddenly emerged from the place not far from the right side of the large sound wave launcher.

*

I don't know if the drain was blocked by something. The water level in the detection pool dropped seven or eight meters and then stopped moving.

Fortunately, the opening and closing door on the wall of the pool has been exposed. Lao Jiang tied a safety rope around his waist, lowered it bit by bit, and was trying to fix explosives on the slippery opening and closing door.

Shi Qi put a new magazine on the semi-automatic, and then aimed at the water behind Lao Jiang: the black ripples surged for a moment, and then three heads broke through the spray, heading towards Lao Jiang.

Shi Qi actually didn't quite understand why the detection pool was so deep, but it was obviously not the time to worry about this problem. He didn't know how much water was left in the pool, and he didn't know how many ohms were left, but he knew that the magazine on his body was There are four left.

"Old Jiang, I didn't mean to urge you." Shi Qi Yuguang noticed that Hull had replaced his hand with a saber, and his bullets were low: "But we can't start a war of attrition."

"I know," Lao Jiang's forehead was covered with layers of sweat, his hair stuck to his forehead, and he was a little itchy from the helmet: "5 minutes, if I can't find the keyhole in 5 minutes, I will blow up the door."

The water is low and I don't know how many ohms are hidden. Lao Jiang's idea is to just destroy the keyhole, so that they can close the door when they enter the database, and resist the cannibalism outside.

Shi Qi understood what Lao Jiang meant, but the current situation really did not allow them to delay for too long. Coke lost contact after opening the drain. The last news they got was that they found another escape route in the main control room. Then the signal suddenly cut off.

The terminal shows a connection error, and they don't know what happened. It's best for them to fix it quickly, and then go up to have a look.

"Lao Jiang..." A large handful of thick red and white splashed into the water, and was quickly submerged by the dirty waves.Shi Qi only felt that his jaw was numb from the shock: "I still have three magazines."

"Wait a moment..." Lao Jiang didn't care about his nausea, and wiped a handful of black, sticky dirt from the pool wall, revealing the palm-sized combination lock underneath: "I found it!"

Another large handful of thick red and white melted into the sewage.

"It's started again." Hull's hand holding the knife trembled slightly.

The noise started again.

If normally he was walking a tightrope, now Hull clearly felt the noises leading him headlong into the abyss of madness on both sides.

The sound of sharp blades tearing flesh and bones was not loud, but it sounded a little bit toothache.

Hull drew the knife calmly, and then deftly avoided a big mouth biting diagonally from behind.

"Is it serious?" Shi Qi asked.

"It's okay." It's really okay, it's not much different from what you usually have to face.

The helmet that was equipped with him obviously had sound-absorbing padding, so Shi Qi emptied a bunch of bullets.

Why can't I hear anything?

Only the captain can hear it.

A sound that even the sensors in the helmet can't detect.

Infrasound?

Shi Qi irritatedly emptied another round of bullets.

He should have been let out with the wounded, who knows what that sound was about.

"Open, open, open!" Lao Jiang's surprised voice interrupted his thoughts, and there was also a silenced gunshot below: "Come down!"

"Captain," Shi Qi turned the gun and exploded an ohm behind Hull: "You go down first."

"it is good."

Hope everything goes according to plan.

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