Chapter 518

Since the system can no longer be used, Yin Tian can only accept this reality. Fortunately, his current strength is fairly good. Even without the help of the system, he can protect himself, but it will be inconvenient to perform the task again.

Soon, Yin Tian had left the magma cave, found the breath of rosfil, and then flew in his direction.

Rosfeld lived in the only palace in the underground world. It was made of a strange dark red rock and looked very depressing.

With his speechless lips, Yin Tian really can't appreciate this aesthetic view.

Rosfeld had already felt Yin Tian's arrival. He walked out of the palace and was stunned to see Yin Tian's embarrassed appearance. He didn't expect Yin Tian to be so miserable.

The original gold armor was seriously broken, many places have been deformed and cracked, there are faint signs of melting.

Yin Tian's helmet is also cracked, and the mask has already disappeared. Rosfeld saw Yin Tian's face for the first time.

"You're back. Are you all right?" Asked rosefield.

Yin Tian nodded and said, "it's not bad, rosfil. You can rest assured that the number of nether stones I've got has exceeded 10 million. You don't need to pay for it yourself."

Rosfeld breathed a sigh of relief when he heard the speech. He was really afraid that he had to pay for Yin Tian himself.

As the king of the underground Terran, although rosfeld has the supreme power in the clan, he also needs to use a lot of nether stones.

The nether world stone is indispensable to his cultivation or reward to his subordinates.

But the amount of netherworld stone is so much more every year, and the only way out is from the magma River above, so rosfeld has to save.

I'm afraid rosfeld didn't expect that Yin Tian got nearly 90 million Youming stone in the magma River, almost hollowed out six component Youming stone vein. If it wasn't for the high temperature there, Yin Tian would even absorb the whole ore vein.

Ignorance is sometimes a kind of happiness. At least rosfeld is in a good mood now.

Of course, in the next few years, rosfeld would not be so happy when he found that the number of nether stones produced by the magma river was greatly reduced.

"By the way, rosfeld, can you tell me something about your underground humans?" Yin Tian asked as he followed rosfeld into the palace.

Rosfeld nodded, his voice a little low.

"Yes, actually We underground humans are cursed people. "

"Curse?" Yin Tian looks puzzled.

"Not bad!" "The thing is, about 10000 years ago, our ancestors also lived on land Later, because of the curse, we came to the underground world. Up to now, it has been ten thousand years. "

Rosfeld spoke slowly, and seemed unwilling to mention the past, but since Yin Tian asked him, he still told the whole thing.

For a long time, rosfeld finally finished. Yin Tian was deeply sorry.

I can't imagine that the underground human beings have a history of ten thousand years. I don't know how they survive in this extremely harsh environment.

Water and food are extremely scarce, the climate is muggy and the oxygen content is extremely low.

Without sunlight all the year round, their skin has become very gray, and their eyes have even degenerated very seriously.

Although underground human beings can cultivate with the help of the netherworld stone to increase their life span and adaptability to harsh environment, what's the meaning of this? It's nothing more than living in this underground cage.

"Rosefield, don't you want to go back to the ground?"

Although he knew that underground humans would cause great chaos when they returned to the ground, Yin Tian couldn't help asking.

Rosefield sighed and said, "I didn't think about it, but we have been unable to adapt to the life on the ground for so many years. The curse on us makes it impossible for us to adapt to the environment on the ground. Of course, there are other life forms in the underground world that can adapt to the environment on the ground, but this obviously does not include the underground human race. "

"The blazing sunlight will make our eyes ache and our skin will quickly erode. After we breathe the air on the ground, we will become weak and sleepy. This kind of curse has already stopped us from returning to the ground to get ideas."

Yin Tian was speechless. Just as they couldn't adapt to the underground space, rosfeld couldn't adapt to the environment on the ground.

As for the various reasons that rosfeld said, Yin Tian also had some conjectures.

Due to thousands of years of evolution and variation, it is very normal that the underground people can't adapt to the heat of the sun. As for the situation of drowsiness after breathing the air on the ground, it's not difficult to understand that it's just drunk oxygen.

The so-called drunk oxygen is because the human body has just adapted to the hypoxic environment in high altitude areas, and re-enter areas with relatively high oxygen content, they will not adapt again, resulting in fatigue, weakness, drowsiness, chest tightness, dizziness, diarrhea and other symptoms, which will produce a so-called "de adaptation reaction" or "hypogenic reaction".The oxygen content in the underground world is extremely thin. Yin Tian feels that the oxygen content here is much lower than the world's highest peak, the oxygen content on Mount Everest. Therefore, once the underground Terrans get to the ground and the oxygen content increases by more than ten times, it is not surprising that there will be strong oxygen intoxication.

I know, but Yin Tian won't explain to rosfeld.

After thinking about it for a while, Yin Tian asked, "by the way, rosfeld, I have seen some monsters whose heads are similar to you, but whose bodies are like dwarfs and have a pile of wings. Are those monsters also underground human beings?"

Rosfeld shook his head, his face darkened again.

"Well, those people No, it should be the monsters. In fact, they are also our underground humans. They are all children of variation. Thousands of years ago, for unknown reasons, many mothers gave birth to those monsters. They were born with a pair of bat wings, and the rest were no different from ordinary children. We don't want to kill them because we don't have a lot of people underground. We raise them like ordinary children. "

"But then We found that the children's bodies couldn't grow up! And, their hands and feet grow long claws, become extremely bloodthirsty, irritable! When they grow older, these children can't control their desire to kill, but they can kill and even devour the same kind. At that time, the underground human beings can no longer accommodate them

"But after all, they were also born from underground human beings, and their parents were still there, so they didn't kill them in the end. They just drove them out into the passage to let them live and die on their own. But who knows, they not only did not die, but survived, and continue to multiply, forming a new ethnic group. "

"Fortunately, these things don't like light. They don't usually enter the underground world. They can only live in the passageways outside. In addition, the strength of those things is not so strong that they will not affect us in any way. So over the years, they have been acquiesced in their existence. "

Yin Tian sighed and said that they were a group of poor people. Those so-called demons, should be a genetic mutation of the underground human just.

After talking to rosfeld again, Yin Tian left.

"Rosfeld, I hope we'll see you again. I'm going."

"Well, you're my forever friend. I am so lonely. I have lived for 300 years. Only you can defeat me. You are also my only recognized friend. I hope you can come back to the underground world again in the future. " Said rosfeld, somewhat desolate.

Although rosfeld is the king of the underground human beings, he is also lonely. The intelligence of the underground class is not so common. In addition, he has no friends in his life.

Although at the beginning, Yin Tian was rothfeld's enemy, but now he has no hostility to Yin Tian. The other party not only helped him solve the huge hidden danger of magma dragon, but also did not have the idea of fighting the 3 million nether stones left in his hands. This made rosfeld have a good feeling for Yin Tian, and thought that he was open-minded, open-minded and worthy of deep friendship People.

Yin Tian smiles when he hears rosfeld's words, but finds a big problem in his heart.

Rosfeld was more than 300 years old, but he was still young. Why?

The devil's blood can extract things that can prolong life. Is it the same for the underground people who are from the same source as the devil? Is their blood more effective than the devil's?

Shaking his head slightly, Yin Tian quickly suppressed the idea in his heart.

The underground man is miserable enough. If he says this idea, he is afraid that his greed will catch his attention sooner or later. Even if the current level of science and technology is still unable to do so, after ten years, a hundred years, when mankind has the ability to go out to the underground world, I am afraid it will be the end of the underground Terran.

Yin Tian is not the Savior, but he still has a kind heart.

Today's thing, he will rot in his heart, no one will tell, it's just the reward that rosfeld helped him get so many type 2 cosmic energy crystals.

"Goodbye, rosfeld, and hope we'll meet again."

Yin Tian then turned and flew out, looking at rosfeld a little stunned.

This new friend is really free and easy, even left like this, thanks to himself still some reluctant to give up.

However, he did not know that Yin Tian left so quickly because he couldn't help bleeding rosfeld to study the reason why he could live so long.

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