In the past, Xiao Yu always thought that in the universe, except for some extreme regions, such as black holes, around neutron stars, or quasars, supernova explosions and other places that are dangerous, the rest of the places should be safe.

At least, in the solar system, or in the Tianyuan Four Star System, these places are safe when the meteor impact and radiation energy cannot pose much threat to Xiao Yu. Xiao Yu took it for granted that the place he was going to reach next, Tiancang Wu, should also be safe, not only that, but most places in the universe were safe. However, Luca No. 2's words broke Xiao Yu's understanding.

Xiao Yu realized for the first time that the magic and danger of the universe were far beyond his imagination.

However, Luca II's next words raised Xiao Yu's estimation of the degree of danger in the universe to a higher level.

Luca II continued: "In addition to these dangerous areas, there are also dangerous races in the universe, which are collectively called, the Predator Civilization. ”

"Outside of the Sweeper civilization and the Guardian Alliance, there is also a predator civilization?" Xiao Yu asked.

"Yes, predator civilization. However, the predator civilization is only a general term, the predator civilization, it can be a technological civilization, or a foreign beast civilization, regardless of their civilization level, as long as they refuse to join the guardian alliance, and show strong aggression, and have an active extermination of the rest of the civilization, they can be classified into the predator civilization. ”

"If I'm not mistaken, it seems that the Guardian Alliance does not allow alien beast civilizations and mechanical civilizations to join." Xiao Yu thought for a moment and asked a new question.

"Yes, because of the different concepts of evolution, it has caused the conflict between the alien beast civilization and the technological civilization. However, the mechanical civilization and the ghost race are the common enemy of all civilizations. Moreover, the alien beast civilization cannot all be classified as predators, if the alien beast civilization does not show aggression, but develops itself with peace of mind, then they will be classified as a secluded civilization along with some technological civilizations. Luca II replied.

"I see. So, among the alien beast civilizations, are there any powerful civilizations such as the Guardian or the Sweeper civilization? Xiao Yu asked.

"Nope." Lukka II replied very simply, "Although there are alien beast civilizations that have developed to level six, the number of alien beasts in their race is too scarce, and they are not at all the opponents of the Guardian and Sweeper civilizations. For example, the most famous predator civilization in the galaxy is a sixth-level alien beast civilization, which is usually called the python race, in addition, the sixth-level predator civilization also includes the crocodile tribe and the tree clan. In the past 100 million years, the number of civilizations that have been wiped out by them has reached thousands. ”

"Thousands...... Thousands of civilizations have been wiped out...... In the universe, it's really cruel. Hopefully, until I have enough strength, I won't encounter these so-called predator civilizations...... It turns out that predators also have a tendency to exterminate the rest of civilizations, and those who exterminate humans are not necessarily sweepers. When I am strong, I must find out this matter clearly, and avenge mankind, revenge! ”

Xiao Yu thought silently.

The long space voyage continues, time passes bit by bit, and another year has passed in a blink of an eye, if in the next two years, Luca's fleet has not caught up, Xiao Yu is basically safe.

Within this year, Xiao Yu completed all the construction tasks, all the materials were built into spaceships by Xiao Yu, and a hundred large transport ships were also dismantled by Xiao Yu and turned into thousands of county-level and township-level spaceships.

The total number of Xiao Yu's spaceships has reached 120,000, and the level of science and technology has been greatly improved, and Xiao Yu's combat power has increased several times compared to when he first arrived in the four star systems of Tianyuan.

This means that Xiao Yu has truly stepped into the realm of third-level civilization.

In this year's time, Xiao Yu's mind was full of thoughts about the wood spirit and the ghost clan. Finally, Xiao Yu couldn't help but ask Luca No. 2 again: "What weapon is the most lethal to the ghost clan?" ”

Lukka II replied: "As far as I know, there is currently no weapon that can cause more damage to the ghost clan than the rest of the weapons, that is, the energy weapons of the third-level civilization, the force field weapons of the fourth-level civilization, or the weapons of the fifth-level and sixth-level civilizations all cause much damage to the ghosting clan, so in the face of the ghost, there is only a long-term large-scale weapon strike, which slowly consumes the energy of the ghost. Before the Ghost Clan kills all of their liliang, it is the only way to destroy the Ghost Clan first. ”

"That's ......," Xiao Yu thought silently.

As if sensing that Xiao Yu was particularly interested in the affairs of the Ghost Clan, Luka II continued: "There are regulations within the Guardian Alliance, every fleet that sets sail, no matter what task it undertakes, must install a ghost detector in the fleet, and this detector can detect whether there is a ghost clan within the range of a light around it. ”

"Huh? And such a thing? Xiao Yu asked, "That means it's also installed on your fleet?" ”

"Yes." Luca II replied, "But in the battle with you, it was destroyed. But that's okay, the Guardian civilization has already announced the manufacturing method of the Ghost Detector, and I'll pass it on to you. ”

Ten minutes later, Xiao Yu received this short instruction document. Xiao Yu studied in detail, but he still couldn't understand the specific technology of this manufacturing document, Xiao Yu tried to follow the guidance of the document, started the construction process, and without much effort, he made a boxy and strange instrument.

"I really don't know why, I just know that by doing this, I can make a ghost detector, how it works, what technology is used, I don't know. Probably because the Guardian Civilization is trying to prevent the leakage of technology. Looking at the instrument in front of him, Xiao Yu guessed in his heart.

"Look, that straight line on the screen. If it fluctuates, it means that there are Spirits around you for a single hour. Oh, just like now, you see, it's fluctuating, well, I'll see, the strength is about the second level, it belongs to the evolutionary primary, the ghost clan with inferior lethality, and it's ...... away from you Outside of the starboard side of your fleet, about thirty light minutes, they can reach the speed of light, so, in about thirty minutes, they will reach your fleet. Luca II looked at the ghost detector and respectfully explained to Xiao Yu.

"Oh...... I see. Do you know how this ghost detector works? According to the documentation, I can make it, but I can't figure out the inner workings. ”

"We don't know. This is a standard document issued by the Guardian Civilization, as long as it reaches the second level of civilization, it can be manufactured according to the guidelines, but to analyze its working principle, it must be at least a level 5 civilization to do it. Luca II replied.

"There must be some physical phenomena that I haven't discovered yet. However, I am afraid that I will not be able to parse it in a short time. Xiao Yu thought silently.

Suddenly, a question was thought of by Xiao Yu. Xiao Yu only felt that his spirit suddenly tensed, and reflexively pointed the camera at this boxy ghost detector.

"What if...... If I'm not mistaken, you mean...... If there is a fluctuation in this straight line, then it ...... It means that there are ghosts within the range of the surrounding light, right? Xiao Yu looked at the instrument tightly and said slowly to Luca Two.

Luca II replied with some strange feeling: "Yes, it is impossible to go wrong with this instrument." Well? O God! ”

Luka II and Xiao Yu looked at each other, and then, the two slowly said a sentence together.

"There's a ghost clan approaching us!"

"Holy!"

"What a god!"

Lukka Two's expression became extremely flustered, and he shouted, "It's a second-level ghost clan!" However, even if it is a second-level ghost clan, it is not something we can fight! ”

"Don't panic, don't panic!" At this time, Xiao Yu rarely kept calm. Xiao Yu quickly opened the protective shields of all the spaceships to the maximum power, manipulated the spacecraft to discharge the battle formation, and all the high-power detection equipment began to scan towards the starboard side at the same time.

At the same time as these actions, Xiao Yu did not forget to ask Luca No. 2: "Don't panic! If you panic again, I'll kill you immediately! Tell me how I can fight the Ghost! If we can't fight it, can we run away! ”

Lukka II had collapsed to the ground, and it said in despair: "It's useless, it's useless, the second-level ghost clan needs at least a fourth-level civilization to fight, and besides, with the grade of the ghost clan, their movement speed is the speed of light, and we can't even run away before we get the ability to travel faster than the speed of light, god god!" Is this your punishment for my betrayal of my race? ”

"Don't forget, I have 120,000 combat ships!" Xiao Yu shouted loudly through the audio device.

"It's useless, it's useless, you're a mechanical civilization, so the Ghost Clan isn't interested in you, but what about us? We still have tens of thousands of people! Luca II said, covering his face and crying bitterly.

"Not interested in me? That's not good. Xiao Yu gritted his teeth, "I can't say it, I can only fight to the death!" ”

At this time, Xiao Yu suddenly noticed that behind him, about twenty minutes away, a group of pale ink-colored warships suddenly appeared. As soon as these warships appeared, they immediately launched an attack on Xiao Yu.

"It's ...... Spaceship Lucca! What is the situation! How did the Ghost Clan and Luka's spaceship appear together! Isn't this a disaster? ”

At this moment, Xiao Yu's heart was full of bitterness.

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