With a loud "boom," the air pressure inside the passageway changed instantly.
Everyone felt as if their eardrums were about to burst.
The dull sound was like an infrasound wave, making everyone's heart skip a beat.
This violent tremor caused blood to flow from the mouth and nose of many people.
The sudden change in air pressure made everyone feel dizzy for a moment.
Despite the dizziness, Lu Yuan pointed the gun at the outside of the passageway.
A massive ghoul, its body covered in red and white chunks of flesh, was desperately trying to burrow its head into the passageway.
"Damn it, retreat quickly."
Lu Yuan roared and led his men in a desperate retreat.
He held the gun in one hand on his arm and frantically pulled the trigger.
The bullets clattered and struck the cannibal's head.
Meanwhile, bloody holes kept bursting open on the cannibal's head, but it seemed completely unconcerned, continuing to bite forcefully into the holes, trying to eat Xu Changbing, who was closest to the opening.
Xu Changbing was so frightened that he almost jumped out of his skin. He desperately twisted his body and backed away.
However, this ghoul was incredibly strong. Although the passageway was made of large welded steel plates, the ghoul's immense strength deformed the plates.
Sometimes the team members behind him didn't have time to retreat, and in an instant, everyone in the tunnel gathered at the exit. Lu Yuan desperately shouted loudly to the people behind him.
After a while, the crowd calmed down, but the ghoul was even more ferocious, constantly attacking them.
Even though it was out of reach, its enormous head was enough to scare people.
Everyone suppressed their fear and kept backing away.
Finally, Lu Yuan pulled Xu Changbing away from the passage entrance by more than ten meters, thus avoiding the attack of the cannibals.
However, the cannibal's attack did not stop. Although its head could not get in, its arms could easily squeeze in.
The moment Lu Yuan saw the other person pull their head back, he immediately made a decision.
"Retreat to the side road, be careful, and don't let it catch you."
As soon as Lu Yuan finished speaking, everyone looked towards the cave entrance.
Sure enough, the cannibal pulled its head back in, and in an instant, another muscular arm reached in.
This arm is over ten meters long and could easily grab Lu Yuan and Xu Changbing's positions.
Lu Yuan gritted his teeth and pushed Xu Changbing into the seventh side intersection, then dodged the grab himself.
The cannibal's arm, however, had no intention of letting them go. As if it had eyes, it followed them into the seventh bend.
The ghoul's arm chased them for more than ten meters before it could no longer get in, clearly because its length was insufficient.
Xu Changbing desperately retreated, but because the passage was so narrow, they couldn't stand up and had to crouch against the wall to retreat.
As Xu Changbing was about to retreat further, he felt his back hit an iron plate.
He shone his flashlight back and saw that behind them was a passageway welded together with steel plates.
The place has been sealed off, and there is a seal on it with illegible writing, which clearly indicates that the place has been abandoned.
"Keep backing away!"
Lu Yuan continued to urge Xu Changbing to retreat, but Xu Changbing fired a few shots at the cannibal's arm and said, "Boss, it's no good, the passage behind us is blocked!"
Lu Yuan looked back and sure enough, there was a wall behind him, a wall made of cast iron.
The wall seemed to be a cruel twist of fate, preventing them from moving forward and from escaping its powerful, overwhelming force.
"Damn it, why is there a wall here? What the hell am I going to do?"
Lu Yuan was very frustrated, and while firing his gun, he looked back.
The passage was blocked off by a large disc, and there was nowhere to retreat from behind.
They are now completely trapped in this tunnel, and if the problem of finding an exit is not solved soon, they will be trapped here and die.
The cannibal's large hands continued to scratch at them, its sharp claws scraping back and forth across the steel plate.
Lu Yuan took a deep breath and then took out the crystal pistol from his pocket.
"Do we really have to use this pistol?"
This pistol was truly a deadly weapon for Lu Yuan.
However, it is definitely a weapon that can hurt oneself.
He had already experienced the power of the pistol before.
Any area within a hundred meters is a dangerous zone, and this tunnel is even more so.
With a loud "boom".
The ghoul's claw slammed down again in their direction.
The thick steel plate bent slightly under the opponent's heavy blow.
"No, we can't keep hiding like this, or he'll catch us sooner or later!"
Lu Yuan looked behind him, then looked at Xu Changbing.
"You'd better stay away. I'm about to fire a shot, which might affect us. You'd better lean your back against this spot, otherwise you might be in danger!"
However, to Lu Yuan's surprise, Xu Changbing walked over with a resolute expression and took the gun in his hand.
"Leave it to me. I already promised you. I'm selling my life to you!"
But Lu Yuan shook his head.
"What nonsense are you spouting? Get out of there!"
After hesitating for a while, Xu Changbing decided to hide, because he was afraid of Lu Yuan's anger.
"Boss, then be careful!"
Lu Yuan simply nodded, fiddled with the pistol for a moment, and then pointed the muzzle at the entrance of the hole.
"If you want our lives, I'll cripple your arm today!"
After saying that, Lu Yuan aimed at the end of the other man's arm, preparing to pull the trigger.
That position is a good shooting spot; if you shoot from there, the cannibal's arm will basically be severed.
Lu Yuan didn't know if they would die in the shooting, but if they didn't do this, the cannibals would definitely hurt them sooner or later.
Then, just as Lu Yuan was about to pull the trigger, Xu Changbing suddenly grabbed him again and quietly pointed to the steel plate behind him.
"Boss, listen, there seems to be some movement behind us. There seems to be someone inside the steel plate behind us!"
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