is dull, the weird knock on the door still sounds at a fixed frequency, like a tuned alarm clock.

　　 The door of the classroom was not locked, not even chained, it was just closed randomly, and it could be easily pushed open with a little force.

　　 But the scary thing is that the old man wearing a black gown and covered in corpses did not open the door. He still stood rigidly outside the door and knocked on the door, without the slightest intention to come in.

　　 Although the old man did not come in, the ink-like darkness outside the corridor came quickly.

　　 The entire classroom began to undergo tremendous changes that were unimaginable.

The new wall became mottled and mouldy, and the wall skin continued to fall off and turned into a bumpy wall. On the pitted wall, black and green mould grew even more, giving off a chill and dampness. The book on the seat quickly turned yellow and then decayed. Even the cement on the ground began to quickly be weathered, revealing rusty steel bars, and some places even began to collapse.

　　 It seems that in a moment of kung fu, it has been here for decades, and it has been devastated by the years.

　　 However, the classroom lights are still fighting against the darkness. The white light is like a candle in the wind, emitting the last dim light, as if it is going to be extinguished at any time.

　　 Fear appeared on every student's face. Some screamed, some called for help, and some trembled...

　　 The only calm is Zhou Zheng on the podium.

　　 He was motionless, looking around, paying attention to any movement around him.

　　Dangerous level ghosts can still have ghost domains...This is not something he can deal with.

　　All he has to do is to find a way to survive and let these students leave here, even if it is only a small part of it.

　　 "Zhou Zheng, look at it."

　　 At this time, Fang Jing called out suddenly, his face was particularly ugly, and he pointed to a few classmates on the desk in the classroom.

I didn't pay attention to it before, but I saw it at this moment. Several classmates were lying motionless on the table. They opened their eyes and mouths, their faces were dead gray, and they gave off the rancid smell of corpses, as if they had been dead several times. It's the same.

　　 "Boom, boom, boom." The knock on the door sounded again.

　　 At this time, the male student who was standing in the crowd alive suddenly trembled, and then he stiffly fell to the ground.

　　 "Li Ming, what's wrong with you?"

　　 Someone wanted to lift him up, but when he touched his body, the man suddenly screamed and drew back frantically.

　　 cold and stiff, like a corpse.

　　 Li Ming opened his eyes and mouth wide like the previous classmates, his face was ashen, not half-distracted... his body gradually began to emit a rotten smell.

　　 dead, dead.

　　 And more than one died, at least six or seven students were lying motionless on the table with such a gray face.

　　 "How can this be, how can this be, who will save us."

　　 A female classmate sat on the ground in fright, crying.

　　 "It's okay before, why suddenly, suddenly died?" Someone said with a trembling voice.

　　 Fang Jing's face was green: "What are you screaming? There is a ghost outside the door. We can die no matter what. You will soon know how scary ghosts can produce ghost domains."

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　　 The others looked at him in horror, one by one, like prey falling into a cage, full of fear and trembling with awe.

　　 "Zhou Zheng, haven't you figured out a way? If we can't figure it out, we will all die here." Fang Jing said angrily again.

　　 His heart is also shaking, because anyone in the ghost realm may die, including him.

　　 "Wow, if you can't wait, run away by yourself, don't count on me."

　　 Zhou Zheng also looked anxious, he did not dare to act rashly.

　　 "Running around in the ghost domain is faster to death, don't you think I don't know anything?" Fang Jing said.

"Since you know, just stand there and be honest, really want to die, you think you will die, everyone is the same, don't think that you know something and feel that you are special, everyone is equal in front of ghosts." Zhou Zhengdao .

"Oh shit."

　　 Fang Jing couldn't help but cursed.

　　 Yang Jian was also cold in his hands and feet at the moment, he forced himself to calm down, because it was not a joke at this time, but the person was really dead, and more than one died...If it continues, it is likely to die a lot more.

　　 But when he accidentally saw the blackboard that was about to fall off the wall, he was shocked.

　　 His eyes stayed on the three sentences that Zhou Zheng wrote before, especially the last sentence: insight into the laws of ghosts.

"Zhou Zheng didn't dare to act rashly because he was also observing the old man outside the door, looking for his laws. Only when he found the laws, he dared to act. Think about it, think about it, what laws does this old man have... ....."

　　 His mind started to spin frantically,

　　 Recall everything recorded in the story in the forum, and then think of what happened before me.

　　 must have something in common, there must be similarities.

The netizen named Raiden Karmapa was at home. The door of his house was closed. The old man stood outside and knocked on the door... and then came in, then came to the door of the room, knocked on the door again, and then came in again NS.

　　At this moment, this ghost appeared outside the corridor, also knocking on the door...but it hasn't come in yet.

　　Why did the old man come in at the netizen's house, but did not come here?

　　 The same situation, the same thing, what caused the difference.

　　 Is there not enough time?

　　 Then what time is not enough.

　　 Is it because there is not enough time to knock on the door?

　　 Maybe this is the key.

Fight.

　　 suddenly, Yang Jian summoned the courage to shout: "Zhou Zheng, it's a knock on the door."

"knocking?"

　　 Zhou Zheng condensed, staring at the student who suddenly said, "How do you say it."

Yang Jian resisted his fear and said: "Although it's just a guess, I think this thing is killing people by knocking on the door. Maybe the old man is timing it, maybe it's something else, but it must have something to do with knocking on the door. If it can be stopped. It might be useful if that thing knocks on the door..."

　　 Knock on the door to kill.

　　 If this is the case, then this ghost would be terrible.

　　 "This guy's potential began to show up so soon..."

　　 Fang Jing looked at him badly, and squeezed his fist tightly: "Never let him leave this school alive."

　　 "Trust you once."

　　 Zhou Zheng solemnly withdrew his gaze, he had no choice.

　　If you don't act, everyone here will die.

　　 Zhou Zheng moved immediately, and he rushed out like a violent beast. The weird body with thin upper and lower fat possessed explosive power that ordinary people can't match.

　　 "Bang~!"

　　 With a loud noise, he slammed the door of the classroom open. At the same time, he slammed open the old man outside the classroom, who was wearing a black gown with a gray face and covered with corpses.

　　 The old man knocked down and fell to the ground, but no one dared to help.

　　 His body presents a weird posture, like a stiff puppet swinging hands and feet at will, without the toughness and softness that a living person should have.

　　 Ghosts cannot be killed.

　　 What Zhou Zheng wrote by himself, of course, I will never forget.

　　 Even if this old man is crushed into mud and burned to ashes, he will still not die, and will continue to appear in an unbelievable way.

　　 Only ghosts can deal with ghosts.

　　 Zhou Zheng gritted his teeth and turned around and shouted: "You see the right time, and get out whenever you have a chance. I'll hold this thing."

　　 After finishing speaking, his bulging stomach wriggled strangely under his wide windbreaker.

　　 A hand, to be precise, the outline of a hand, stretched out under a layer of skin. This hand was grayish-blue, with sharp nails, as if to tear the layer of belly and stick out from the inside.

　　 But the belly that wraps that hand is very flexible and has not been torn. What's frightening is that this hand stretched out more than two meters.

　　 Is this still a human hand?

　　 In this way, this grey-cyan strange hand grabbed the old man on the ground.

　　 "Zizi~!" The flickering sound of the lamp sounded.

　　In an instant, the darkness enveloped in the classroom disappeared, and the bright lights appeared again. Although the walls were still mottled and the ground was about to collapse, it seemed that the disaster had been stopped.

　　 "Useful." Zhou Zheng breathed a sigh of relief in his heart.

　　 But then his eyes suddenly widened, and his skinny face was shrouded in fear.

　　 The old man who fell to the ground slowly stood up at this moment, his dead gray eyes turned slightly, as if looking at Zhou Zheng.

　　 "Impossible, I can still move if I am restricted?" Zhou Zheng's expression changed drastically, and he immediately yelled back; "Go, hurry, leave here while the ghost domain hasn't appeared, and I will stay here to hold this stuff."

　　 This ghost is definitely not just a dangerous level.

　　 A cold sweat was in his heart.