"The Mystery of the Seventh Rank Civilization?!" Liu Xuan himself can feel the change in his voice, which is simply unimaginable. Liu Xuan finally understood why even a civilization that had reached the sixth level still coveted this thing very much, and even did not hesitate to start a war.

I also understand why the old man told them at the beginning: even if they are given the same materials, the same environment is difficult to make a second thing, the ultimate mystery of the universe is not for fun, although I don't know how to make it, but making this thing is definitely not purely by luck.

The right time, the right place and one are also indispensable, and at the right time, maybe there will be a thing like this, although the old man did not explain what this is, but he can't suppress Liu Xuan's own reverie, what is this thing that will make a civilization enter the seventh level.

"Yes, the mystery of the seventh-level civilization, that's why that civilization at that time wanted something even if it didn't hesitate to start a war, here is another opportunity for evolution, although we made this thing, but unfortunately, even we ourselves don't know how to start this thing." The old man sighed slightly, the expression on his face was enough to explain the pain in his heart, it was obvious that he was also sad, why they couldn't start this thing, if it really started successfully, their civilization would not have reached such a point, maybe it was because they still didn't meet the requirements in a certain aspect.

"This thing, really? A civilization that goes straight to the seventh level of civilization? Can you go directly from a first-level civilization to a seventh-level civilization? Liu Xuan couldn't believe the old man's words, this is simply a bit of a fantasy, after all, this thing only looks like a little bit, except that it can emit light, it is no different from ordinary glass balls.

"To be precise, it's not a civilization that has reached the level of a seventh-level civilization, but a few people who have reached it, a seventh-level civilization, and there are not so many lifeforms, otherwise wouldn't the universe be chaotic? Of course, this is all our speculation, and so far, none of us have seen what a seventh-level civilization is really like. "The seventh-level civilization is really quite mysterious, although all kinds of evidence are to show their existence, but in this universe, the civilization that sees them has completely perished, it can be said that the living people don't know what the seventh-level civilization is like.

"What kind of civilization is the seventh level civilization, is it so powerful? It's just a small number of civilization groups, but the entire universe is so afraid! After all, Liu Xuan is not a fifth-level civilization, and Liu Xuan himself is also skeptical of such a powerful seventh-level civilization in the old man's mouth.

"Who knows, these are all speculations, but their power is undoubted, it can be said that they are above the universe, and the manipulation of the entire universe may only be a slight movement of the mind." The old man was placed

waved his hand, indicating that even he was explaining that he couldn't understand the extent of this seventh-level civilization.

"You don't know any of this, how can you say that this item hides the mystery of the seventh level of civilization?" Liu Xuan asked the old man rhetorically, after all, this is a very important matter, and it is necessary for Liu Xuan to figure it out.

Pifu is not guilty, in case this thing is really known by other civilizations, the attack they are subjected to is definitely like the current fifth-level civilization, if it is really the same effect as what this old man said, Liu Xuan must also be cautious, this thing must not be known to other civilizations!

"I'm not a researcher after all, the researcher must know the mystery of the seventh-level civilization, but when the great destruction came, their scientists also disappeared with this civilization, what I know are just some records, and according to my observation, many very important records have been completely deleted, and the situation was urgent, maybe to protect this secret." The old man also shook his head, he was not a R&D person after all, and it was quite normal not to know.

Liu Xuan nodded and said that he understood, it was the same as if the user did not necessarily know how to build this thing, the old man may just read a manual, this is the usefulness of knowing this thing, as for the mystery, it is estimated that even if it is a civilization related to the old man, the old man can't understand it, after all, there is a specialization in the art industry, and the old man is not an expert in this area, and it is very normal not to understand, compared to Liu Xuan, he is just a guide, not a technical researcher.

"However, there are some other clues left in the final record, and the only thing that interests me is that we still have a way to know the location of the seventh level civilization, at least theoretically." The old man thought for a while, and suddenly Liu Xuan said, this is the only important thing he saw in the deleted records, and the other records have been completely cleared, leaving only this one for a short stay, and when the old man wants to take a closer look, it has also been cleaned up, but at this time, it is okay to just talk to Liu Xuan.

"What's the solution?" Liu Xuan was quite interested in this, and it was indeed interesting to find a way to find a seventh-level civilization.

"According to the records, the birthplace of the universe is the place where the seventh-level civilization is located. We all know that the universe has always been expanding to the outside and has never stopped, and in terms of directional reasoning, there is a center for the expansion of the universe, and that center is where the so-called seventh-level civilization is located, as for why this theory was proposed, I don't know, but there are definitely other theoretical bases. The old man spread his hands, he was just a person who relayed it to Liu Xuan, and he didn't know the specific things.

Liu Xuan nodded, but the doubts on his face still did not decrease at all, after all, as a low-level civilized person, it is quite normal not to know, but Liu Xuan has secretly remembered this matter, now

If you can't use it, maybe you can use it in the future, who can say for sure? There's always nothing wrong with learning more and remembering more.

"Okay, that's a bit too much, although the time passage in this space is a little slower than the outside world, but it's not too slow, your energy is not too much, it's better to be faster, you can't return to your civilization, even if you get our technology, it's useless." The old man waved his hand and did not continue the question.

Without waiting for Liu Xuan to answer, the old man waved his hand, and a small ball appeared in front of them, the old man hesitated, and then covered his right hand on the ball, and when Liu Xuan didn't know what the old man wanted to do, the light disappeared in an instant, and Liu Xuan returned to the darkness.

Just when Liu Xuan thought that he had experienced some illusion just now, the surroundings lit up again, but the light source changed, it turned out that it was the small thing that emitted light, and now there is light around this huge space, and the old man is still next to Liu Xuan, but the small ball has disappeared.

"Don't panic, I just switched the light source and took that thing off." After the old man finished speaking, he made a move at the sky, and the small ball that exuded endless light just now and hid the mystery of the seventh-level civilization fell from the sky and fell into the hands of the old man, Liu Xuan finally saw the true face of that thing clearly.

A small glass ball, it looks like a glass ball, but it is very small, smaller than the glass ball he played with when he was a child, the only difference is that inside this transparent glass ball is a small black dot, a small black dot that is extremely deep, so that the whole look, it is like a glass eyeball, quite beautiful.

It's like an opal on the earth, just look at the surface, it's also quite beautiful, even if it's a simple gesture, it's definitely quite expensive, on the earth, even if there is no special effect, it will be quite sought-after, just the appearance can conquer a lot of women.

But just when Liu Xuan wanted to take a closer look at this small bead, the old man waved his palm again, and a chain appeared on the top of this bead, and then in Liu Xuan's shocked gaze, it gradually flattened down, and the whole really became a necklace image on the neck.

But even if it becomes like this, it is quite beautiful, the old man also has a surprised expression, originally he just wanted to build a necklace, but he didn't expect this bead to be flattened, I really don't know why, is this thing really has its own wisdom?

"What did you do here?" Liu Xuan was also stunned, but compared to the old man, Liu Xuan still didn't think of the bead itself, but thought that the old man didn't know what means he used to turn this bead into this shape. Only then did he raise such a question, how could he know that the old man at this time was also confused.

"I didn't do it." The old man handed the necklace in his hand to Liu Xuan, with a face

Said helplessly, how could he have thought that this thing really had its own low-level thoughts, which was simply unheard of, but it matched the mysterious identity of this thing.

Holding it in your hand, there is a special feeling of coolness, just like touching a very comfortable jade, the feel, the surface image, this necklace is the best product, but the most important thing is the secret, this is what makes the whole universe crazy, Liu Xuan is holding this thing in his hand is a little trembling slightly.

"Is that difficult or does this thing become on its own?" There was no sense of reproach in Liu Xuan's tone, just a question full of doubts, and it was hard for him to believe that such a thing actually had its own wisdom, but if it wasn't for the old man's doing, there would only be such a conjecture.

"Maybe, after all, but the instructions for use also say, the use of this thing actually depends on itself, and the user has no way to take the initiative to open this thing, or only when the time comes, this thing can reflect its own role." The old man didn't understand, so he could only speculate, after all, even the scientists who made this thing didn't know how to use it, or rather, they knew how to use it, but they had certain requirements for the users themselves, and they still didn't meet the requirements.

For the old man's vague explanation, Liu Xuan can only reserve his opinion, after all, looking at the old man's appearance, it should not be clear what is going on, Liu Xuan does not persecute the old man, Liu Xuan at this time is remembering, the old man is the temporary ruler of the planet, he is asking for others, and his attitude just now is not very good.

Liu Xuan did not hesitate, put this necklace around his neck, and then received this special pendant into his clothes, and when his body touched this pendant, he felt only slightly cold, and there was nothing else to feel. For the time being, I can only think of this thing as a very ordinary pendant.

Seeing Liu Xuan put this thing away, the old man didn't know what it was like in his heart, after all, this was the most important thing in their civilization, but he didn't expect that it was given to outsiders in the end, and the old man's heart was also a little sad, but there was no way, after all, this thing was in their hands, and it couldn't play its original role.

"Remember, this thing must be hidden, according to your level of science and technology, you may not be able to see what this is, but if an advanced civilization sees it, it may understand what it is, and it must be kept secret." The old man finally instructed Liu Xuan, the husband was innocent and guilty, and Liu Xuan had already become a sinner at this time.

"I'll be careful, I'll definitely let this thing shine in its original light, and it won't live up to your expectations, thank you." Liu Xuan said, bowing deeply to the old man, this is Liu Xuan's gratitude to this civilization, with the most formal etiquette on the earth, Liu

Xuan believed that this old man must be able to know.

"Well, well, everything we can give you is already for you, and you have been here for a long time, and you need to go back to reunite with your companions." The old man nodded, and there seemed to be a smile on his face, maybe such a person can really use the power of this thing.

Now that their civilization has come to an end, no matter how much the old man comforts himself, he understands that their own time is running out, and in the grave of this universe, they have lost the future they should have.

But the old man has no idea to blame any civilization, after all, this is the rule of the universe, and it is also the rule of all worlds: natural selection, survival of the fittest. Although they used to be a strong person, they are definitely not an adaptor, on the stage of competition in the universe, they have been eliminated, and the next exit is inevitable.

"And yours, and your surviving personnel, will you continue to survive in this place?" Liu Xuan also felt the old man's sadness, and asked with concern, although there is no way to help this civilization, but the language comfort, Liu Xuan can still do it.

"We were born here, we grew up here, we are the last survivors of this civilization, we will disappear completely with this planet, if you still have a chance to come back, maybe we are gone, this is the competition, we lose." The old man made a smile that was still more ugly than crying, and said.

Originally, Liu Xuan still thought that he could comfort them with words, but after hearing the old man say this, Liu Xuan himself completely understood that there was no way to comfort them at all, his civilization had perished, and he would never be happy no matter how he thought about it.

"Okay, you should also leave, although we are still in this cosmic tomb, but after all, this place is made by ourselves, and our space technology can also have sufficient energy, as for whether my civilization can continue, it depends on our own efforts, but even if we survive, the civilization level will plummet, and these will need to go through the test of time." You don't have to worry about our affairs, as long as we use these three technologies well, we are very pleased, this is the continuation of our civilization in the universe in disguise! The old man said it categorically, as if he was very confident.

After finishing speaking, with a wave of his hand, a spatial door appeared again, and the scene outside the door Liu Xuan was quite familiar, wasn't that their spaceship, it seemed that as long as Liu Xuan walked into this door, he could directly teleport to his companions.

"After you leave this planet, return to the dark space again, you will see the light that guides you, and you can leave the tomb of this universe with that light, I hope you can do everything you said, for your time, I am also quite expectant, but it is unfortunate

Anyway, I can't see that time anymore. ”

Liu Xuan also wanted to comfort the old man, but was directly interrupted by the old man waving his hand.

"Don't say it, do you think language is still useful at this time? Let's go, it's time for you to get out of this place, and when you're gone, our planet will be completely closed, and it's not something that can be opened with just words. The old man said sadly.

Liu Xuan pursed his lips and nodded, bowed to the old man again, and then walked towards the door of the space. The old man was right, Liu Xuan had already consumed too much time in this place, and it was time for him to leave.

(End of chapter)