However, in the observable universe, there was a giant hole with a diameter of one billion light years.
There were no galaxies, no black holes, and no dark matter.
It was as if everything there had been taken away, leaving behind only an empty space-time.
Of course, it wasn't completely empty, but that bit of matter was too sparse compared to the vast area. Around this hole, however, was a dense galaxy that was clearly separated from that area. It was extremely strange.
There were a lot of empty spaces in the universe. The space between galaxies was exactly like this.
However, this was only an interstellar zone. Although there seemed to be nothing inside, there was actually a large amount of dark matter.
It was inconceivable that there was nothing in the giant hole with a diameter of one billion light years.
After all, one billion light years was simply too big. It was extremely eye-catching in the observable universe.
Such a thing was impossible under normal circumstances. Even the Empire felt that it was a mystery.
The Empire also had their own guesses, mainly three.
First, it was a coincidence. When the universe's first generation of stars erupted and gave birth to galaxies, it just so happened to form such a zone that no matter had visited.
Second, there was a primordial black hole that had devoured all matter in the vicinity over the long years.
Third, it was the work of one or more super civilizations. It could be because of war or something else.
Of these three guesses, the first two were just for show. There was no need to talk about coincidence.
When a black hole devoured a large amount of matter, massive stars would erupt with gamma rays, but the Empire still hadn't observed large amounts of gamma ray remnants there.
Thus, only a super civilization's work was left, which was the most convincing.
However, this was truly too shocking. All matter within one billion light years of space-time was gone.
What kind of behavior could have caused this? War?
What kind of weapon could have caused this? A large tear was impossible. Even if there was a civilization capable of such a thing, it wasn't as if there was nothing left.
Matter would be divided into the smallest particles, and light would appear intermittently at the edges. In short, it wouldn't be the hole that was observed today.
Moreover, the large tear wouldn't last forever. When space-time stabilized, the matter inside would gather together again due to gravity.
The Empire had been observing that place for tens of thousands of years, and the hole hadn't changed even now.
The most likely cause was vacuum decay, with matter returning to the ground state of vacuum.
Perhaps due to an accident, or perhaps on purpose, a certain civilization caused a vacuum decay to erupt there. It took 500 million years for the decay area to expand to a diameter of one billion light years.
"Huh, if it's a vacuum decay, why isn't it expanding?" Bai Ge asked.
Ling Dang said, "The void is three billion light years away from us, so what we see is the situation three billion years ago. Vacuum decay travels at the speed of light, and by the time we observe it, the Milky Way should have already decayed. But it didn't, and we still observed that it was a billion light-years in diameter. This means that it is not expanding and is relatively still. "
"This is already very obvious. Once the vacuum decay begins, it cannot be stopped naturally. Some civilization has stopped all of this."
Bai Ge nodded. No wonder Ling Dang had said that there was a level-three civilization.
It was like a bucket with a hole at the bottom. The water would flow out of the hole unstoppably until the bucket was empty.
Under natural circumstances, it was impossible for water to stop flowing after a portion of it had flowed.
The only explanation was that someone had blocked the hole.
"Blocking the hole" was easy to say, but for the microorganisms in the bucket, it was still an incredible thing.
In existing physics, there was not even a theoretical solution.
Unless there were not only microorganisms in the bucket, but also a fish, and this fish blocked the hole.
It saved all the water and microorganisms in the bucket.
In the universe, it was equivalent to a super civilization saving all matter and life in the universe.
The Empire did not dare to think that there was such a civilization, and it was meaningless to think about it.
Moreover, this was something that happened three billion years ago. At first, the Empire was very excited to study it, but after a long period of fruitless research, it gradually faded away.
Ling Dang said, "According to my hypothesis, this might not be an accident, but a civilization that did it on purpose returned all matter within a billion light-years in exchange for something they wanted from the universe."
Bai Ge's mouth twitched. Sure enough, the more one knew, the scarier one felt.
The Earth civilization had discovered the void 20 years ago, but no one thought that it was the work of a civilization.
However, from Bai Ge's point of view, it immediately corresponded to the level three civilization that he had imagined.
In the first stage of a level three civilization, they could make an equivalent exchange with the universe. By returning matter, the universe would return them what they wanted.
However, this time, they had played with a billion light-years. It was really a big deal.
What kind of concept was such a large area? The Milky Way was in the Local Group, and the Local Group was an ordinary member of the Virgo Supercluster.
The Virgo Supercluster was 100 million light-years in diameter, and there were tens of thousands of galaxies like the Milky Way.
The Great Void was ten times bigger.
Bai Ge said, "This is equivalent to a microorganism on Earth selling the Milky Way. Who knows how many civilizations have inexplicably become trading objects. "
"Ruler, if we had this kind of technology, we would do the same. Not for war, but for a broader future, "Ling Dang said.
Bai Ge thought about it carefully and felt that he would do the same.
He didn't know what the level three civilization had obtained, but he knew that he would definitely try to gain something without risking anything.
"This had already happened when life was first born on Earth. We are now the same as the Empire, not qualified to study this kind of thing. At the very least, we have to develop level two technology to the limit. It's been three billion years. It would be fine if it had already been destroyed, but if this civilization had survived until now … "Ling Dang said.
"Then they might have the power to destroy the universe." Bai Ge felt a headache coming on.
After thinking about it, Bai Ge said, "I don't want to be like the civilization in the Great Void and be inexplicably destroyed. To a certain extent, a civilization with such terrifying technological strength is even more dangerous than an anomaly. "
"We know nothing about a god-tier civilization. Just now, I asked the Flying Noodles God. His answer was very strange, saying that he was the only god in the universe, "Ling Dang said.
"That didn't answer us directly. Ask? Is there a level three civilization in the universe? But he said that he was the only god in the universe? Could it be? Does he mean that the god-tier civilization has already been destroyed? "Bai Ge said.
Ling Dang said, "Actually, the Noodle God is saying that …? Now, he is the same as a level three civilization and belongs to the category of 'god'. In other words, a level three civilization? At the same level. Originally, 'gods' of this level existed, but they are gone now. "
Bai Ge nodded and said, "It seems that after three billion years, even a god-tier civilization will self-destruct."
"No, on this point, we shouldn't believe in the Flying Noodles God," Ling Dang suddenly said.
"Hmm?" Bai Ge was stunned.
Ling Dang said, "Don't forget about the Water of Chaos. It made a part of the universe unknown, and it can't be understood by later generations. However, it was only a few months ago when the Flying Heaven Noodles God fed on humans with its own body. As a newly ascended 'god' existence, I have reason to believe that …? I can't understand the current level three civilization. At the very least, that civilization still doesn't exist, right? Therefore, it must be unknown as well. Saying that you are the only one is probably just wishful thinking. "
Level three civilizations were without a doubt the peak of the universe, and their method of concealment was beyond the scope of understanding.
After all, there were only a bit over a hundred drops of the Water of Chaos left, compared to the maximum value of 300, half of the universe's unknown was hidden.
Although the Flying Noodles God had a certain level of omniscience, this ability was most likely limited to half of that.
This didn't mean that the Flying Noodles God, as an anomaly, was inferior to a level three civilization. It could only be said that it was born at the wrong time. It was restrained by the anomaly known as the Hand of Snatching …
Ling Dang knew very well how deep the Hand of Snatching's information was. It didn't record the unknown of the universe, but rather the truth of the entire dimension. Because of that, in a parallel universe like the Immortal Cultivation universe, the Hand of Snatching wouldn't record it repeatedly.
It limited the exploration of the unknown by all existences, and the Flying Noodles God was one of them.
"In other words, we still have to be on guard against god-tier civilizations. Once they discover an anomaly and set their sights on Earth, I'll be at their mercy "Bai Ge said with a solemn tone.
Ling Dang replied: "But because of the unknown, it's very difficult for us to target you. Even if we manifest the invincibility effect for you, we still don't know when or how they will suddenly attack"
"If we don't know how they will attack us, we can only rely on 'invincibility' that ignores all attacks, as well as a permanent existence. This is obviously a price we can't afford, it's almost as expensive as unlimited energy"
"So to be on the safe side, I recommend the Absolute Sense of Danger"
Bai Ge raised his eyebrows: "You mean, as long as something happens to kill me, I'll feel a sense of danger in advance? No matter what the enemy is, no matter how strong the enemy is, no matter what method they use to kill me, I'll be warned in advance "
"That's right, it's equivalent to a premonition of death. Foreseeing it in advance gives us ample time to prepare and take precautions. The sense of danger will always exist until we resolve the deadlock in the future before stopping "Ling Dang replied.
Bai Ge felt that this feature was quite good. At least, he wouldn't suddenly die while he was developing.
"How many days in advance can I foresee it?" Bai Ge asked.
"As many days as you can. First, increase the number of stars you can ascend to 2,000, then squeeze all of them dry until they reach the critical point of helium flash" Ling Dang replied.
Bai Ge curled his lips: "2,000 stars …"
"This feature has to be achieved in one go. It's only 2,000 stars, after we deal with the Immortal Arm civilization, you can take 10 billion stars" Ling Dang said.
Bai Ge naturally understood that as long as he didn't die while developing steadily, he would be able to achieve his goal.
If he were to be wiped out by some unknown entity just because he wanted to save so much energy, it would be too late for regrets.
…
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