After all, Dust Star has entered the age of evolution.

There will be gains and losses, and this seems to be the ultimate way for the universe to work. In the process of studying evolution, although human beings have made great gains, the price they can pay is also staggering.

From ancient times to the present, every great industrial change means a long period of turmoil.

Stone, bronze, iron, and later the Industrial Revolution, all the same.

The Age of Evolution, as the greatest change in history, caused such a violent upheaval that it is difficult to describe in words.

You may not understand this. To put it another way, maybe you have some ideas.

The surviving books of the Human Alliance are very secretive about that period, and even the slightest mention of it is only summarized as the 'Dark Ages'.

However, one thing that is better about Dust Star is that Liu Bei left some basic information. This greatly avoids needle-in-a-haystack trials.

It is not an exaggeration to say that genes are the most complex in the universe. And when humans don't know anything about it, they can only take the stupidest way to experiment and study it one by one.

And almost none of these experiments have been successful.

However, what happened after this is not something that Liu Bei can know.

He's on his doorstep now.

"Mayuki, are you there?" could be heard from his words, he was a little nervous.

A head sticks out of Makuyuki's bedroom door, her face full of joy, but she doesn't come out immediately.

"I got dressed. With that, her head snapped back.

The anxiety on Liu Bei's face was instantly replaced by being overwhelmed, he unconsciously remembered the picture of her taking a bath, and suddenly felt a little blood boiling, almost unable to help himself.

Fortunately, this time he didn't have a nosebleed.

At this time, Mu Xue was already dressed, she rushed out of the bedroom, hugged Liu Bei, and then buried her head in his shoulder.

She never seemed to hide her emotions, or never hide her liking for Liu Bei.

"You're coming back," she whispered, her voice tinged with a hint of crying.

Liu Bei's body stiffened, and then slowly relaxed. He awkwardly raised his hand and gently stroked her long hair.

"Well, don't cry..."Liu Bei's heart is incubating something, warm.

"I didn't cry. Mu Xue let go of the arm holding Liu Bei, and turned her face sideways while retreating slightly.

Her eyes were distinctly red.

Liu Bei smiled.

"By the way, have you noticed anything different about me?" Makuyuki suddenly became interested.

Liu Bei was stunned for a moment, then looked at her carefully, and then his expression slowly became shocked.

"You've improved your brain domain development so much?!" he was a little incredulous.

The more he learned, the more he understood how difficult it was to improve the development of the brain domain. Makuyuki is about the same age as him, and according to statistics, the brain domain development of ordinary humans at this age in this world is about 11%, and if it can reach 15%, it is already qualified to become a student of the best academy.

At this time, the development degree of Mu Xue's brain domain has actually reached 13%!

Just over a month ago, her brain domain was only about 11% developed.

What is the rate of improvement?

It takes an average of one and a half to two years for students at Shengwu Academy to increase their brain domain development from 15% to 17%!

Of course, all this is built on a solid foundation of spirit. There are always some special methods that can quickly improve the development of the brain domain, but they generally have strong side effects, and even the improved brain domain development is not stable, and over time it will decline to the point that it is worse than before the original improvement.

"Do you feel any discomfort?" Liu Bei was a little worried.

"It's okay~" Mayuki was full of pride. She clearly understood what a genius she was.

Liu Bei carefully perceived it, and indeed did not find any problems with Mu Xue's spirit.

However, he was still not at ease, so he dragged her into the calculation room to carefully check it (it was a mental examination, please don't think about it!).

As a result, Makuyuki did not have the slightest problem.

At this point, Liu Bei's heart finally relaxed.

"How the hell did you do it?" Liu Bei still felt a little incredible.

He didn't realize that not so long ago, his own brain domain development had increased from 15% to 25% almost instantly...

"This..."Mayuki was a little slurred.

"I've used your points a lot...", she was a little embarrassed.

Liu Bei was stunned. He saw her talking in a hurry, thinking that something big had happened, and it turned out to be just some points.

However, I'm afraid only Liu Bei will think so.

You know, those points are really precious, and some of them may not even be able to buy them with money. For example, the points of the Holy Martial Tower... , because those who can break through the Shengwu Pagoda are generally not short of money.

There is an old saying on the earth, which is called the poor and the rich. It means that if you don't have money, you can only change your fate by studying, and it costs a lot of money to practice martial arts.

The same applies to evolution. The poor can only use the spiritual uplift to bring about the upliftment of the physical cells through contemplation and thought. The rich, on the other hand, can use many means to raise the level of cells, which in turn nourishes the spirit.

In short, evolution costs money.

"You're really not angry?!" Mayuki was stunned.

"What's there to be angry about?" Liu Bei was a little confused for a while.

"But, I really cost you a lot of points..."

"Isn't it just some points..."

As early as when he was on earth, Liu Bei had no money, and because he had no money, he had no concept of money. So he developed his current 'local tyrant' character.

Perhaps, at this point, he is somewhat similar to the hero of martial arts novels that is almost universally known on the planet. The gold said to send it, the daughter Qiu said to send it, and the sweat and blood BMW said to send it to .......

At this moment, Liu Bei's stomach rang.

"That's... , do you still have food at home?" Liu Bei scratched his head embarrassedly.

The word 'home' seemed to have magical power, and Mu Xue's face turned slightly red when she heard it.

"I don't know how to cook, so I don't have anything to reserve...", as if she was a little embarrassed, she lowered her head and whispered.

Liu Bei really felt very hungry.

When he was on the dust star, he had the feeling of being 'hungry', and he couldn't eat enough, so he simply didn't eat much after that. Because the feeling of eating and not eating has not changed much.

This 'hunger' is essentially a lack of energy in the cells, which is a signal from the nerve cells.

More than half of the power of each of his bursts came from the cells of his body, and the cells of his body could not draw energy from the void.

Therefore, it is natural to need to eat supplements. And the energy contained in the food on the dust star was too little, so it was difficult for him to eat enough.

At first, he could tolerate it, but later the fierce battle in the underground space consumed too much energy, and the hunger naturally became more and more intense.

"That's... , do we still have money to eat..."Liu Bei asked weakly.