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Chapter 470: Only Temporarily Controlling Him
After listening to what Polya said, Yu Xia said, "You mean, these alien species don't actually want to snatch planetary resources from humans, and they can coexist with us, right?"

"No." Polya said: "The energy they release will infect humans, but they try to coexist with humans because human behavior is also affecting them. The strong pollution energy in this polluted area is also a signal for them to prevent humans from entering."

Yu Xia pondered and said, "But in order to prevent the contaminated area from spreading, there are still sentinels who keep going in. Even if the contaminated area is relatively mild as you said, people don't know when it will spread again, so they can only do this."

Polya looked at Yu Xia, his eyes filled with tenderness and compassion, looking at her like a child, "Xia Xia, do you know where the humans in the Cero galaxy came from?"

Yu Xia looked at him in confusion.

Polya waved away the projection screen of the polluted area and clicked on a galaxy map. "This is the galaxy we currently live in. This is the galaxy that humans lived in tens of thousands of years ago."

Yu Xia looked at the image of another galaxy next to the Cero Galaxy and exclaimed, "It's so beautiful."

"It's called the Milky Way." Polya zoomed in on the galaxy with his fingers and brought up a blue planet. "Back then, humans migrated from this blue planet to the depths of the universe and eventually settled in the Cero Galaxy."

Yu Xia asked: "Is there anyone living there now?"

Polya shook his head: "No living thing can survive there."

Yu Xia thought of something and said, "Has it been occupied by alien species?"

Polya: “Maybe they are still there.”

Yu Xia: "Maybe? Their ability to survive is so strong. After so many years, they must have developed a civilization, right?"

Polya said: "Xia Xia, don't use human civilization to infer the development of other biological civilizations."

It was the first time that Yu Xia heard about the initial feud between alien species and humans. Polya was tempted, "Humans defeated them, but left because the blue planet became unsuitable for survival?"

Polya saw that she was a little anxious, and patted her head soothingly, "That's true, but people leave not only to find a better planet to live on, but also to find alien species."

Yu Xia was startled: "Looking for alien species?"

Polya: "At that time, people discovered the usefulness of alien energy."

Yu Xia: "The polluted area."

She seemed to understand something, but asked uncertainly: "When the migrating humans came to the Sero system, the alien species already existed, right?"

Polya nodded. "People came here in pursuit of alien species and eventually settled here. After several civilization changes, the current Federation and Empire were formed."

He stroked Yu Xia's hair, the emotion in his eyes was strong and pure, but there was a hint of inexplicable sadness hidden in his eyes.

He had a deeper secret in his heart that he hadn't told her.

She will unravel this secret herself one day, but he still has to tell her some cruel truths.

When Yu Xia heard this, he understood in his heart why the polluted areas existed everywhere and had not been cleared for so long.

Back then, human technology was able to defeat alien species and fly to other galaxies, let alone now.

"Is it just a false illusion for people to see that the sentinels are rushing into the contaminated area to clean up the aliens?"

Hearing her somewhat discouraged tone, Polya comforted her, "It's not all an illusion. Most of the sentinels are just following orders and are unaware of the situation."

Yu Xia was silent for a while, then said, "Then what should we do to be right? If we continue to clean up the contaminated area like this, the contaminated area will still exist, and the sentinels and guides will only become tools for those people to obtain alien energy." Polya reached out and gently lifted her chin, saying softly, "You will have the answer in your heart. Do what you think is right, and I will always be with you."

"Your Highness, Your Highness"

Yu Xia heard Charles' voice and came back to her senses from her memories.

"Where is this place?" she asked coldly, but she already had the answer in her heart.

Charles said: "As you can see, we are in one of the polluted areas of Setan. To be exact, we are around the Blood Nest."

Yu Xia turned around and saw that the entire base was underground, and the part exposed above the ground was just the tip of the iceberg.

Yu Xia looked around and asked, "Have you purified this polluted area?"

She wanted to see how Charles would talk nonsense with her.

"Not completely." Charles pointed to a certain place and said, "We are only temporarily in control of it."

Yu Xia looked in the direction he pointed and saw a row of glowing stick-shaped instruments surrounding a red crystal stone with a diameter of five or six meters. A human figure was vaguely visible in the red crystal stone.

Is that the Red God?

Yu Xia didn't expect that they could control Him. He glanced at the red crystals surrounding the base and understood where Harrison's almost endless energy came from.

Harrison said that his body is an energy container and also a transformation container. Since they are inside the blood nest, he can transform the energy inside at any time.

No wonder, she said, he had so much energy, almost inexhaustible.

The state Harrison was in probably wasn't because she sucked him dry, but because his body's transformation was about to reach its limit.

Charles said: "This is the first step for us to successfully control them, but our control over them is only temporary. Your Highness has golden blood, and only Your Highness has the power to truly control them."

"Your Highness, as long as there is still a blood nest, they can never be completely eliminated. Rather than gambling on an unknown future, it is better to control them first and make them work for us."

Charles saw Yu Xia's hand tightly grasping the railing and put his hand on it. "We are different from the Holy City. Your Highness will be freer here. Perhaps one day, Your Highness will be able to use their energy to make the golden bloodline flourish again. Your Highness will no longer be alone. Don't you want companions?"

Yu Xia lowered her eyes, "Is it really possible? Their power?"

After hearing this, Charles was moved. "Of course, we can also use their energy to make the Sentinel Guides more powerful. You have also seen the Sentinels under Admiral Harrison. They were originally very low-level Sentinels. Ordinary resources will not allow them to upgrade from F-level to S-level, or even SS and SSS-level."

Yu Xia stared at his hand, pulled it out and placed it on the back of his hand, "What about you? Did you also use alien energy to reach such a high level?"

Charles said, "It's obvious."

Yu Xia said: "It seems that Harrison is the same."

Charles did not comment.

Yu Xia put her hand down, thought for a moment, and turned her eyes to his face: "Then give Baru to me. In addition to him, I also want to choose the sentinels myself."

Charles's lips curled slightly, "Okay."