"It's cruel, but for the sake of all of humanity, it has to be done."

"Wait." Chu Tianjiang pressed his hand, "Human beings have been able to build space elevators, build space cities, and establish colonies on the moon and Mars, so they must have mastered very advanced technology." ”

"You're right."

"In that case, can't even a small virus be dealt with?"

"It's a very good question." The figure smiled faintly and said, "If it was just a virus, humanity would not have suffered at all. ”

"You mean......" Chu Tianjiang was secretly surprised. Humanity is extinct!?

"In the era of calamity, the most we did was to study the way the invaders attacked, that is, how the invaders used to make the moon's gravitational field disappear, and then cause the moon to collapse, producing a large number of dust of similar size, which can cause genetic mutations and reflect the solar radiation that can cause genetic mutations to the earth after enhancement."

"The results of the study?"

"It's not a result, but it's a bit of a figure. As you said, space is a resource, a resource that is very valuable in the three-dimensional universe. ”

"This ......"

The figure sighed and said, "We have set up five independent scientific research groups, which are headed by Luo Jinyong, each scientific research group conducts separate research, and the five scientific research groups have come to the conclusion that everything we know, such as self-quantity and energy, is the filling of space. The invading advanced civilization has mastered some kind of technique to control and use space, and in doing so, it has made the moon's gravitational field disappear, and the moon has shattered into dust of similar size after it collapses. On the other hand, an intruder can attack at any time and anywhere, making it impossible for us to defend against it, and it can also exert influence on everything in the space and change the essence of things. ”

"The virus was made by an intruder?"

The figure nodded and said, "The invaders not only created the virus, but also improved the virus, and gave the virus a strong evolutionary survivability. Because of this, the antibodies developed by Dr. Melanie are very time-sensitive, and we can only continue to develop new antibodies to deal with new viruses. Fortunately, the invaders did not intend to wipe out humanity, and the virus itself is a living organism. ”

"This ......"

"With these discoveries, we have increased our investment in space technology, hoping to get a glimpse of what is going on through the clues we already have. Of course, the top priority is to preserve the fire for humanity, so that human civilization can continue, and people born with antibodies can survive. ”

"How did you do that?"

"Remember the Doomsday Warrior's plan?"

Chu Tianjiang nodded, he was the first batch of doomsday warriors, of course he would not forget.

"In the Doomsday Warrior plan, we developed a molecular-level nanobot that allowed the Doomsday Warrior system to gain a strong repair ability. On this basis, we developed atomic-scale nanobots and wrote killing programs for these robots. To put it simply, the nanobot will automatically attack the mutated gene fragment and will multiply itself, i.e., replicate by killing the target. It's just that this nanobot will also attack the immune, as well as people whose genes have changed, such as X-Warriors. ”

"Kill everyone?"

"All mutants, and creatures infected by genetic viruses."

"But ......"

"Of course, our purpose is to protect survivors."

Before the mutation erupted in large numbers, the Coalition Government of the World Realm launched a massive project: to build an underground city and allow the immunized to enter the underground city to avoid attack. Because only 1 in 10,000 people are born with immunity, and even fewer have undergone the X-Warrior transformation, less than a million people are eligible to enter the Underground City. After these people entered the underground city, the Coalition Government released nanobots designed to attack genetic viruses and spread them around the world.

"Why don't you just transform the survivors into X-warriors?"

"Studies have shown that people who are immune cannot be modified, and people who have already been infected with a genetic virus will experience rejection when modified. Melanie had always hoped to use the skills of Warrior X to make the infected become Warrior X, but her efforts failed. Maybe there will be some time for her to make a breakthrough, but we don't have time. More and more people are mutating, and if we can't start the 'killing plan' in time, the immune people, who only account for 1/10,000 of the total population, will become the dinner of the mutants. ”

"Dinner!?"

"After the outbreak of the virus, the mutant loses all sense of self and becomes a creature completely controlled by instinct, the first instinct of the creature is to get the food it needs to survive, and the second instinct is to reproduce. Driven by these two instincts, they will attack all other creatures, and will compete with each other of their kind. Of course, only individuals of childbearing potential can reproduce the offspring of mutants. ”

"Normal people?"

The figure nodded and said, "At that time, we had no other choice, but we ignored one of the most direct and important issues. ”

"What?"

"It's the intruders who manipulate the virus, and they are able to evolve the virus, thus disabling the nanobots we unleash."

"This ......"

"Disasters are also developing in this direction." The figure looked like a sigh. "We are hiding underground and are constantly monitoring the situation on the ground. The virus is constantly evolving, and we are also developing targeted nanobots based on the collected samples. It's just that the speed at which we develop nanobots is far from the speed at which viruses evolve. Ten years later, a completely new virus appeared, a virus that allowed the mutants to regain their ability to reproduce and was completely immune to nanobots, so that the mutants, as well as various mutated animals and plants, became real creatures, and the nanobots we developed would not attack living beings. ”

"And then?"

"We failed, and we lost completely. Of course, humanity did not become extinct, at least a small percentage of them survived. ”

"Underground city?"

"We've built a total of 10 underground cities, and all of them are located beneath the earth's crust, confined by magnetic fields, suspended in the liquid mantle. With controlled nuclear fusion technology, and later the development of geothermal energy, we can also obtain an inexhaustible source of energy. In the mantle, as well as at the bottom of the earth's crust, we have access to all the resources we need to sustain and build underground cities. So, after admitting defeat, we began to expand the underground city and encourage childbearing. About a hundred years later, that is, around 2460 A.D., the number of underground cities increased to 100, and the total human population exceeded 100 million. ”

"And then?"

"If the catastrophe ends here, humanity will survive."

"It's not over yet?"

The figure shook his head and said, "Survivors don't just live in underground cities. At the time of the evacuation, a small group of immune survivors remained on the surface and did not enter the underground city in time. This group of people is very small, according to our estimates, only a few tens of thousands, and it is mainly concentrated in the new Eurasian continent, and a small number are scattered in the new North American continent and the American and African continents. They survived and established settlements in difficult circumstances, and some of the survivors who were infected with the virus but gained superpowers became strong and became protectors of others, and gradually expanded the size and number of settlements. ”

"A new human civilization?"

The figure nodded and said, "A new human civilization that is not under our control, they act according to the new rules of existence, and they feel abandoned and refuse to cooperate with us, and even treat us as enemies, preventing us from returning to the surface. ”

"This ......"

"By the year 400 or so, the size of these survivors had exceeded 10 million, and as their superpowers evolved to increase, the rate of reproduction accelerated. At that time, in addition to New Antarctica, hundreds of settlements had appeared in the other four New Worlds, some of which had developed into cities, the largest of which had nearly a million inhabitants. ”

"And then?"

"Because of the cultural disconnection, and the fact that this part of the survivors has been fighting for survival, there is almost no science and technology in the field of science and technology. As long as we continue to stay underground and do not seek to settle on the surface, there will be no communication with them, and there will be no conflict or war. ”

"You went to the ground?"

The figure shook his head with a wry smile and said, "With the preserved technology, we can live underground forever. As long as the population size is controlled, we don't need to go to the ground before the destruction of the earth, and we can completely establish a new Anthropocene realm under the earth's crust. Because there is no urgent pressure to survive, and most people want to live in peace and no longer have too many extravagant expectations for their living environment, there is no reason for us to expand our living space on the ground in the short term, at least until most people forget history. ”

"This ......"

"They came down there and attacked us."

"How is that possible!?" Chu Tianjiang's eyes widened and he said, "They don't have a scientific and technological civilization, how can they pass through the earth's crust dozens of kilometers thick?" ”

"They can't be, but there are some people who have the science and technology to do so. Of course, whether those guys are human or not, we don't know. ”

"What!?"

"By the time the war broke out, more than 400 years had passed, almost 500 years since the collapse of the moon, and we had ignored a force from beginning to end."

"What kind of power?"

"As I mentioned at the beginning, before the catastrophe came, we not only built space cities, but also colonized the moon and Mars, and built forward bases for the space fleet."

"The colonists!?"

The figure nodded, and Chu Tianjiang looked even more surprised.