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Zhao Yaqin's words about god-level civilization made Lu Tianyu's solidified thinking "click" and crack a crack, he has never jumped out of his existing thinking to think about his own problems, if it is the god-level civilization behind the promotion, some things can be explained.

"What do you think of?"

Finding that Lu Tianyu suddenly pondered, Zhao Yaqin realized what her words made Lu Tianyu think of.

Lu Tianyu waved his hand and released a picture in the air, which was a photo of the World Tree preserved by the Martian civilization, "Does the fox clan have any information about the World Tree?" ”

"The Tree of Civilization?"

Zhao Yaqin thought of something and said: "Some people call it the World Tree, it is a protective tree of civilization, which can protect the stability of time and space on the side of civilization, almost every planet where civilization can be born will have such a tree, when this civilization does not exist, the tree of civilization will also disappear, no one knows when and how this tree appeared." ”

"Some people say that mastering the tree of civilization is mastering this civilization, there are many legends about this tree, the tree of civilization is the existence of sheltering civilization, but no one has ever known how this tree helps civilization, just know that where there is civilization, there is the existence of the tree of civilization, when this civilization cannot continue, the tree of civilization will wither and ......, and some people say that this tree is the last key to god-level civilization, when civilization abandons this tree, the tree of civilization also abandons this civilization."

Lu Tianyu suddenly realized something, looked at Zhao Yaqin and said, "Your fox clan no longer has the Tree of Civilization, right?" ”

Zhao Yaqin nodded painfully and said, "When the fox clan left the home planet, they lost this tree!" ”

"When the civilization expands and occupies other planets, won't a new civilization tree appear?" Lu Tianyu said with an ominous feeling.

"A civilization has always had only one civilization tree, even if this civilization occupies the entire river system, this is the strange thing about the civilization tree!" Zhao Yaqin replied.

The amount of information is a bit large, Lu Tianyu has never thought about this problem, this has already touched on the origin and end of civilization.

A terrible thought came to Lu Tianyu's mind, and thinking about it was extremely afraid that Lu Tianyu couldn't help but shiver, and he was cold from head to toe.

"How so? Isn't there a way? ”

In an instant, Lu Tianyu thought of a lot, with Lu Tianyu's brain having developed twenty percent, one thought has processed more information than a human advanced computer, there are some things that I don't want to know yet, and the more I think about it, the more terrifying it becomes.

"Zhao Yaqin!" Lu Tianyu said solemnly: "Think about it, is the rise and fall of a civilization really closely related to the tree of civilization?" ”

Seeing Lu Tianyu's solemn appearance, Zhao Yaqin was a little worried: "Lu Tianyu, what are you thinking?" ”

Lu Tianyu raised his head and interrupted Zhao Yaqin's words: "I mean, if a civilization loses the tree of civilization, will it really perish?" Isn't there a turning point in between? For example, if a civilized race like you leaves the home planet and loses the tree of civilization, civilization will decline, and there will be no chance, right? ”

Zhao Yaqin seemed to remember something, and said: "I can't say that, some civilizations are forced to leave the home planet and drift in the universe, sometimes they are very lucky to find a planet where civilization has just been born, I heard some interesting rumors, those races that have lost the tree of civilization will merge with the local civilization, occupy the tree of civilization of the local civilization, and thus give birth to a new civilization, but there are very few such cases, it may be that the low-level civilization is protected by the tree of civilization, So it's almost impossible for a higher civilization to find a lower civilization. ”

Lu Tianyu gradually understood the significance of the existence of the Tree of Civilization, if the Tree of Civilization can protect a time and space, it is better to hide the planet where the low-level civilization is located.

On the other hand, the earth civilization is a little sad, or it is saying that the earth civilization is looking for death, if Zhao Yaqin's words are correct, the tree of civilization on the earth did shelter human beings in the early days of the earth civilization, but human beings ran to Mars to wake up alien creatures, this is not looking for death.

But if you think about it carefully, the earth civilization is really unlucky, because under normal circumstances, there should not be alien creatures in the solar system, this kind of existence that can easily destroy a low-level civilization.

It's hard to say whose fault it is.

Zhao Yaqin's words even reminded Lu Tianyu of the Martian civilization that left tens of millions of years ago, and this incident has always been a shadow in Lu Tianyu's heart.

If a fourth-level scientific and technological civilization has developed to this day after tens of millions of years, then how terrifying the technology of this civilization will be, I am afraid it can only be described as a god-level civilization.

But tens of millions of years have passed, and the Martian civilization has not returned, before the tree of civilization is not known, Lu Tianyu has two guesses, one is that the Martian civilization has been wiped out by other civilizations in the wandering, and the other is that the Martian civilization has developed to a higher level and has completely abandoned the home planet.

At that time, Lu Tianyu was just thinking about it, after all, human beings couldn't even get out of the solar system, and what happened to the Martian civilization, Lu Tianyu couldn't confirm it at all.

But now Zhao Yaqin told Lu Tianyu that if a civilization loses the tree of civilization, this civilization will decline, just like the fox clan has become a subsidiary civilization of other advanced civilizations, of course, the vast majority of alien races on the earth are like this.

There is another point, Lu Tianyu understands why there are a large number of alien races on the earth, because the earth is a cage for the Martian civilization to exile aliens, and I am afraid that these alien races have different intentions and spy on the civilization tree of the Martian civilization.

So today, tens of millions of years later, whether the Martian civilization still exists is a question that Lu Tianyu needs to consider.

On the surface, the life and death of the Martian civilization have nothing to do with Lu Tianyu, but if you think about it, the Martian civilization tens of millions of years ago is inextricably linked with today's Lu Tianyu.

In a sense, the human beings of the earth are the descendants of the Martian civilization, tens of millions of years ago the Martian civilization lost the tree of civilization, but tens of millions of years later, human beings have the tree of civilization, so calculated, the Martian civilization is not considered to have regained the tree of civilization.

Of course, when considering this issue, we must also consider whether there is a Martian civilization in the universe now, but there is no way for Lu Tianyu to confirm this problem.

Then there are many possibilities, but these problems are too far away from Lu Tianyu, and there is no need to consider them for the time being.

But is there one thing that must be faced?

That is the escape plan formulated by Lu Tianyu before, or the escape plan formulated by the Central Intelligence Brain for Lu Tianyu, is it really feasible?

From the information provided by Zhao Yaqin, it is understood that once Lu Tianyu leaves the earth, he will lose the tree of civilization, whether the earth civilization will also decline, or whether Lu Tianyu, the earth civilization, will decline, if what Zhao Yaqin said is true, the answer is yes.

What's the point of running away by yourself, it's just a matter of lingering.

Suddenly, Lu Tianyu thought of a key question again.

Why didn't the alien creatures come to the earth, but only sent their own Zerg army, is there a reason and limit for the existence of the Tree of Civilization?

The more Lu Tianyu thinks about it, the more he has a headache, and he is about to blow up his head, if the central brain is by Lu Tianyu's side now, he will find that Lu Tianyu has made his brain run at an unimaginable speed because of thinking about these problems.

Even at this time, ninety-nine percent of the energy in Lu Tianyu's body was mobilized by the brain, and the upper limit of Lu Tianyu's brain domain showed signs of loosening at this moment, and began to expand to a higher level.

"Twenty-two percent!"

“……”

"Twenty-five percent!"

Lu Tianyu was completely unaware of the changes that occurred in his brain at this time, and his mind was full of questions about the tree of civilization, each problem was like an atomic bomb exploding, and then more problems appeared, and before one problem was solved, countless new problems had already appeared.

When Lu Tianyu was immersed in thinking about the Tree of Civilization, Zhao Yaqin next to him was terrified, and a large number of abilities converged towards Lu Tianyu's body, forming a huge energy storm around Lu Tianyu, Zhao Yaqin wanted to step forward to wake up Lu Tianyu who was contemplating, but was directly swept away by this energy storm.

No matter how much Zhao Yaqin has seen, she has never heard of such a situation, and she is at a loss for a moment when she looks at Lu Tianyu in the energy storm, and she is about to cry.

Now Zhao Yaqin regrets it very much, why did she tell Lu Tianyu these things, this kind of thing is not a problem that ordinary people should think about at all, it was she who harmed Lu Tianyu.

"Lu Tianyu, don't scare me, woo!"

The vision that happened on Lu Tianyu's body also attracted the attention of the surrounding refugees, and the direct impact of the sudden energy storm was to produce a huge depression, which formed a vacuum within a range of thousands of meters around, and some people with slightly weaker physiques felt a powerful suffocation and fell to the ground in an instant.

Countless people were confused, and those who were a little farther away from Lu Tianyu didn't know what was going on, and thought that some kind of terrible geological disaster had happened, and they were like headless flies running away in panic.

"Quick, protect Your Highness!"

The Black Reef Island team, which was on a mission nearby, noticed that something was wrong and wanted to get close to Lu Tianyu, but as soon as they walked within a hundred meters of Lu Tianyu, they were blocked by an invisible energy barrier.

Finding that they couldn't get close to Lu Tianyu, the mission team immediately began to evacuate the surrounding refugees, not because they sympathized with these people, but because they didn't want people to see Lu Tianyu's situation.

"Central Brain, a special situation has happened here, please instruct!"

The mission team activated the emergency communication and connected to the central brain, which was a situation that no one knew about, let alone how to deal with it.

"Scan begins!"

The Central Intelligence Brain appeared for the first time and was quickly connected to Lu Tianyu's auxiliary Intelligence Brain, but due to the existence of the energy storm, even quantum communication was interfered with.

The results of the Central Intelligence Brain detection did not notify the task team, as long as there was information about Lu Tianyu, the Central Intelligence Brain would set the authority to S-level, and the S-level was below one to nine, and under normal circumstances, the permission level of a task team could not even reach level six.

"Order, set up a no-man's land within one kilometer with His Highness as the center, set up a first-level alert within three kilometers, forcibly evacuate and clear everyone in the cordon, and those who resist will be killed, the task level is S-level, and it will be executed immediately!"

"Oh my God, an S-class mission!"

There was no panic on the face of the task team, but it was full of excitement and ecstasy, as long as you look at the tasks released by the Central Intelligence Brain, there has been no more than level five so far, the higher the task level, the higher the military merit points that can be obtained, and I don't dare to think about how high the military merit points can be obtained for S-level tasks.

"Guaranteed to complete the mission!"

What the mission team didn't know was that for the first time in the Blackreef underground shelter, a shrill siren sounded before, and many people were stunned when they heard the siren, not understanding what was going on.

In the room, in the lounge, on the streets of the commercial street, quite a few people found themselves in the arms guards that began to vibrate wildly, and the bright red message on them beats, "Emergency, all combat personnel urgently assemble, cancel any vacation, and enter their respective jobs within five minutes!" ”

"What's going on, have the Zerg invaded here?" One thought after another came to these people's minds.

"Don't ask, if you don't return to your post within the specified time, just wait to be directly wiped out by the Central Brain!"

One by one, the virtual simulation warehouse was forcibly opened, and the people in the simulation warehouse were still in the ability system one second, and the next second they found themselves out of the ability system, and they received only one order, and all of them entered an emergency combat state.

The team that was on a mission near Lu Tianyu had already received an order from the Central Intelligence Brain to take out the quantum teleporter, and hundreds of people were teleported in less than a minute, but there were more cold robots that were teleported.

The people who were teleported over were stunned when they saw the scene in front of them, these people all knew about Lu Tianyu's existence, but there were few people who saw Lu Tianyu with their own eyes.

Seeing Lu Tianyu and the energy storm around him, these people still don't understand what is going on, but these people are more concerned about the rewards of S-level tasks, this is definitely the first time in the world, you must know what the fifth-level task released by the Central Intelligence Brain is, that is, it is a terrifying task that needs to kill insects above level six, or find a hundred senior scientists, of course, the military merit is also high, which can make people unable to sleep for three days and three nights.

"There is a small town of 2,000 people around, and there are three camps for refugees, with a total number of nearly 10,000 people, and an army of more than 1,000 people is stationed less than five kilometers away from here, and the estimated reaction time is fifteen minutes, so let's start the mission!"

"Mission instructions, annihilate all outsiders who approach His Highness, and the time for His Highness to leave!"