"As long as you can bring us back to the ground, you can take away everything you took from here." Chang Yin said.
Xu Xin was silent for a moment, then asked, "Bringing you back to the surface won't be easy, will it?"
"That's right," Chang Yin tapped the stone table with his index finger. "It's impossible for you to return the same way you came. The way you came is blocked. If you want to return to the surface, you can only continue walking deeper into the corridor."
"Oh?" Xu Xin frowned. "Didn't you block it?"
The door to the dungeon entrance suddenly closed automatically after he came in and was locked.
"Of course not us." Xue Lan said from the side, "You are the third person to cooperate with us. The first two times, that road was always blocked."
The third time?
"You said that the person you cooperated with last time... was the owner of this backpack?" Xu Xin pointed to the backpack on his back.
"Yes, he is the survivor who came here twelve years ago."
Twelve years ago... and now it's twelve years again. The fruit in this backpack hasn't rotted in twelve years, truly worthy of being a blue-grade fruit.
Chang Yin seemed to see the confusion in Xu Xin's heart and took the initiative to explain: "Every twelve years, a group of survivors from other worlds will come to our world. As far as I know, you are the fifth batch."
"I'm from the fifth batch... What happened to the first four batches of survivors?"
"I don't know," Chang Yin shook his head to indicate that he didn't know. "I've only come into contact with the survivors who came here."
"You treated the survivors who came here as experimental subjects. Now they have all become mutants, right?" Xu Xin asked Chang Yin with narrowed eyes.
Chang Yin was stunned for a moment, then shook his head.
"It's not what you think. The dozen or so mutants you saw are the first batch of survivors." Xue Lan spoke again.
Her voice always made people feel convinced, but Xu Xin didn't like the feeling of being led by the nose. He frowned and took out an orange from his backpack. Oranges can reduce the impact of the opponent on his spirit.
"Ying!" Coco, who had been lying quietly on Xu Xin's shoulder, suddenly cried out and tugged at his clothes. Xu Xin had no choice but to give one to Coco. Coco jumped onto the stone table, holding the orange and started eating it.
Chang Yin and Xue Lan didn't care about what Xu Xin ate. Xue Lan continued, "They came in groups, wanting to destroy everything here. At that time, Chang Yin and I weren't even stone statues..."
"Xue Lan, there's no need to explain this to him. Xu Xin, you just need to know that we didn't kill innocent people." Chang Yin interrupted Xue Lan.
"How do you explain the words carved on the stone table outside?" Xu Xin asked. Words like that could only be carved in a state of extreme despair.
Chang Yin was silent.
The room was silent for a while, and finally Xue Lan broke the silence. She gently took Chang Yin's hand and said, "You mean the words on the stone table outside? Those weren't left by the survivors."
"What do you mean?" Xu Xin didn't understand Xue Lan's meaning for a moment.
"I carved that word," Chang Yin suddenly said. A flash of red light suddenly flashed in his stone eyes, and then disappeared in an instant. "How do you think we became like this?"
Xu Xin was silent again. He didn't expect to get such an answer.
The room fell silent again.
Chang Yin suddenly slapped the table, his palm making a crisp sound. "Okay, we've talked enough. Now, let's talk about cooperation. What we want you to do is simple: take us away from this place and back to the surface."
"To be honest, this is difficult. The survivor from 24 years ago was torn to pieces by the machine. The survivor from 12 years ago chose to stay here after his attempt failed, but he suddenly stopped breathing on the third night after he stayed. You may not believe it, but his death has nothing to do with us.
So far, none of you survivors have managed to walk out of this corridor alive. The first group was killed by us, but we ignored the second group, and they were wiped out anyway.
The third and fourth groups of survivors came alone. We chose to cooperate and help them, but we all failed in the end. And you are the fifth group of survivors to come here."
Xu Xin could probably guess how the survivor died. It was very likely that he died because the activity could not be completed.
"If that's the case, why did you choose to cooperate with me?" Xu Xin was puzzled. "Didn't you try to get out on your own? You're much stronger than me."
"Isn't there a mysterious voice speaking in the minds of you survivors from time to time?" Chang Yin pointed at Xu Xin's head.
"...You really understand survivors."
"That mysterious voice will also speak to us."
Xu Xin's eyelids jumped at Chang Yin's words, and he stood up: "Can you hear this sound too?"
If this is true, is this voice the "god" mentioned in the altar?
Chang Yin gestured for Xu Xin to sit down. After Xu Xin sat down, he said, "That's right. Twenty-four years ago, before the third group of survivors arrived, that voice told us that only by following the survivors can we get out of this underground city."
"We have also tried to go by ourselves, but the way up is blocked, and going deeper into the corridor will be closed by a metal door. Only you survivors can push it open. No matter what method we use, we can't open it." Xue Lan said softly.
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