"Well, as long as we can destroy the polluted core of this world, we can go back, and it's easy to find where the core is, and the place with the most demon beasts is it."

Hearing the first half of Qin Feng's affirmation made both of them breathe a sigh of relief, at least they knew the way to go back, so that they wouldn't fly aimlessly like a headless fly, but after hearing the second half of the sentence, their hearts instantly cooled half.

"Uh, the core is where the most demonic beasts are?"

In order to prevent misunderstandings, Xiyin repeated it again.

"Well, it should be said that there will definitely be a lot of demon beasts where the pollution core is located, because those monsters will be attracted to the core in the first place, and the closer they are to the core, the stronger the demon beasts will be."

Wave after wave of unevenness, not only did not hear any good news, but it was even worse.

"But big man, you can solve so many world's problems alone, it should be easier to have the help of Sister Qingwu this time, right?"

Two unfortunate news in a row made Yun Qingwu a little depressed, but Xiyin didn't care, anyway, she didn't need to fight, and just like she said, this time not only Qin Feng was alone, but also Yun Qingwu, a helper with considerable strength, the future is bright!

When Xiyin said this, Yun Qingwu also reacted, she purely thought that she needed to fight a bunch of powerful demon beasts before she was a little distressed, so it didn't seem to be very difficult?

"What's that......"

Qin Feng scratched his head with a smile that seemed a little embarrassed, and then said: "The worlds I have been to before are all worlds with no special powers, and those monsters are only slightly stronger than ordinary people, but there are more of them, I just let them bite and break their teeth, but the ...... of this world"

"Some of them don't seem to be able to destroy even a hot weapon......"

As if what he said was not scary enough, Qin Feng added: "The gap is as big as a group of monkeys and a group of humans with guns......

"Got it, got it, you don't have to go into such detail."

Yun Qingwu wiped the cold sweat that didn't exist on his forehead, and instantly felt that his hope of returning to Earth became even slimmer.

"Speaking of which, why did you run to various worlds to save the world?"

What Qin Feng said was very scary, but if it was only from the essence of it, wasn't his approach saving the world?

"Save the world?"

Originally, it was just a sparse and ordinary question, but Qin Feng suddenly became a little silent.

I never thought about who I was trying to save. ’

Looking at Yun Qingwu's curious eyes, Qin Feng silently thought in his heart, he was not kind, everything he did was just for himself, and there seemed to be no so-called good and evil in his dictionary at all.

"I just have to go."

A smile reappeared on his face, and laughing was his habit, nothing more.

"Only I can destroy the core of pollution, and no one can help me."

"After all this time, what is the pollution core? And what about erosion that you talked about before? Why did you make the world the way it is? ”

If you really want to talk about it, Yun Qingwu has a stomach of questions to ask, and the crossing between her and Xiyin is so abrupt that she doesn't understand it at all.

"Actually, even I don't know much about this, if I have to say it, the pollution core is the source of all mutations, and erosion is the reason why ordinary creatures become monsters like alien beasts and demon beasts, as for why all this happened, I don't know."

Qin Feng said it very popularly, Yun Qingwu and Xiyin easily understood what he meant, but they wouldn't know more things just by looking at his appearance.

"Okay, well, at least a lot of my questions have been solved."

Yun Qingwu rubbed his temples.

"Finally, if the core of the earth is solved, can everything get back on track?"

Don't look at the hunter enjoying a high status, the relative mortality rate is also quite high, and a general-level hunter like her sister has also died a dozen in history, if you can return everything to before the mutation, of course, it will be the best ending.

"It can't be done."

Qin Feng shook his head: "First of all, in other worlds, I can still vaguely detect the existence of the core, but I can't feel it at all on the earth, and if I can't find a target, I can't start at all." ”

This was something that Qin Feng had never been able to figure out, as if the core did not exist at all.

"Some of the changes caused by pollution can be recovered, some are irreversible, and the changes in human physical fitness after the cataclysm are irreversible, and only the natural hostility of alien beasts to humans will be weakened."

"Weakening is not disappearing, at most, those alien beasts will not desperately kill humans, and the vigilance and biological instinct they should have will not change."

Yun Qingwu and Xiyin both looked thoughtful, what Qin Feng said was not clear, but it also contained a lot of information, it depended on their own understanding.

"I understand it in general, which means that as long as we cooperate with you to find the core and destroy it in this world, we can go back, right?"

The deeper problem Yun Qingwu won't think about it so much for the time being, she will always know what she should know, she doesn't need to be in a hurry, she also knows that it is already difficult for Qin Feng to say so much, Qin Feng gave her the impression that she was just a stupid big man who could only shake her fists.

However, it also made one of her thoughts more firm:

- This guy really just seems to be loyal and honest on the surface!

What kind of person Qin Feng is in a short period of time can't be more learned, he himself said that the difficulty of this world is far greater than what he has experienced before, and the rest will wait for time to explain.

"Okay, let's find a room to rest at this late hour, how about Xiyin sleep with me tonight?"

Now that she has learned everything she should know, Yun Qingwu also issued an eviction order for Qin Feng alone, and she is still thinking about the idea of using Xiyin as a pillow!

"Don't!"

Xiyin waved her head, and refused directly without giving her any face.

"I'll sleep by myself tonight."

The little girl made a grimace at the eldest lady and ran out of the room on her feet, as if she was afraid that Yun Qingwu would force her.

"Why don't I stay with you?"

Heaven testifies that the expression on Qin Feng's face is really serious, there is absolutely no crooked meaning, he seems to really think so.

"Get out of here!"

Originally, Yun Qingwu still had a pity on his face, but when he said this, he instantly pushed Qin Feng out with some shame.

"I really don't know if it's really stupid or fake."

Crying and laughing, she closed the door, Yun Qingwu shook her head and walked to the sink, there is no bathroom in this room, and she can only wash her body with tap water, fortunately, this is a female sleeper's room before, and towels or something can still be used.

At this time, Qin Feng next door was uncharacteristically tossing and turning and couldn't sleep for a long time.

"Strange, it always feels like something is missing."

Qin Feng rarely used his brain, and then slapped his right palm with his left hand, and suddenly realized.

"Looks like there's a pillow missing."

After figuring out the cause of the problem, Qin Feng easily thought of a solution, sat up from the bed and put on his shoes, left his room, and then went into the next door......

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