The doctor fell to the ground and shook off his robe, and on the other side, Lei Ren looked at the knife on his neck and swallowed.

Looking at the yellow fangs with dozens of knives in his body, he hurriedly walked over, but although the appearance of the yellow fangs was miserable, the doctors avoided the vital points, and with the physical fitness of its pet beasts, it was not deep, just pull out the flying knife.

On the training ground, several people walked towards Xu Bai one after another, and they all knew that Xu Bai had been watching from the side.

"Wonderful, and of course there are ...... Shortcoming. ”

Xu Bai said, looking at Lei Ren, Liu Jian and the others, and several of them lowered their heads.

"But then again, doctor, how did you do it, that trick just now?"

Xu Bai asked the doctor, and his mind flashed through the doctor's move to dodge the yellow fang's dog bite.

The doctor played with a flying knife, and on the corner of his clothes, there were traces of the yellow fang dog biting off a piece, and when he was just in mid-air, the yellow fang dog actually bitten, but the doctor avoided it with the help of body dislocation.

This is obviously not something that can be done easily, or rather, normal people can't do such an action.

Lei Ren also looked at it, and then told Xu Bai about the doctor's record that day, and it was okay to jump from the top of the thirty-meter-high building.

The person next to him exclaimed.

Xu Bai held his head, so to speak, the doctor's strength is a bit too much?

If the doctor is like Datong, he can still understand, after all, Datong's strong physique, it is not too much to say that he can kill a cow.

Seeing that everyone was looking at him, the doctor also spoke up.

He was not born with such a strong physique like Datong, but when he was a doctor, he injected himself with a muscle strengthener, the raw material was obtained from stimulants, and he improved it to enhance the effect inside.

"What if you make your own and die?"

Hearing this, Xu Bai asked, isn't this an experiment with his own body?

But the doctor waved his hand, that's what he thought at the time, he died and died, and it turned out that he survived and gained super physical fitness.

The people around them got excited and asked if there was any such "booster"?

After all, things that can make the physical fitness of the beast master stronger, but they are rare, so no wonder they are surprised.

And Xu Bai asked about the production materials, and he felt that this kind of thing, energy production is practical.

But the doctor's next words interrupted their fantasies, this kind of booster, if it sounds good, it is called a booster, and if it is not good, it is called a death agent.

Not anyone, can survive the reinforcement, the odds can be ignored to the decimal point, he is lucky to survive.

And the effect of one enhancement is not strong, even with his body, it is only strengthened five times, and it reaches the limit, and more will have the opposite effect.

Despite this, his body was left with the side effects of not being able to feel pain, comparable to morphine poisoning, and even worse than that.

That's why he told them to give it up.

In fact, the purpose of his use at the beginning was not to strengthen the body, but to relieve pain, that is, strengthening the body was just a side effect.

It was also discovered that he used it many times after that, reaching his current physical fitness.

Do you use the healing of injuries to strengthen your body?

How does Xu Bai feel the same as himself.

He is using the snake venom in the belly of the snake to poison himself and produce antibodies to improve his physical fitness, as long as he is a normal person, he knows how dangerous this is, and if the body can't hold it up, he will die.

He felt more and more that the doctor and himself were the same kind of people, and they would do extreme things for the sake of strength.

Xu Bai thought for a while and said, "Doctor, if, I mean if, there is an experiment that can make your body several times stronger, or even dozens of times, but the risk is infinitely close to a 100% mortality rate, are you willing to bear it?" ”

After listening, the doctor looked at Xu Bai, and he didn't know what to think on his calm face, but he only waited for a few seconds before he answered.

"Yes."

Seeing him answer so quickly, not only the people around him, but even Xu Bai looked at him in surprise.

It has been specifically said that it is infinitely close to 100% mortality, and it is not a question of success, but the kind of accident that survives.

But the doctor smiled, of course he knew, and it was because he knew that he would inject a homemade booster that no one else had experimented with, and finally use it five times in a row to strengthen his body.

Even with a 100 per cent mortality rate, the situation is similar.

Xu Bai looked at his face and had already made a decision in his heart.

"Ah Wei, go and call Dong'er." He turned to Ah Wei behind him and said.

Dong'er?

Ah Wei, who was about to turn around, felt a chill.

……

Factory, underground experimental site.

Backed by the laboratory, it is the area that Xu Bai asked to expand, like an underground base, with an area of 50 square meters.

The environment of countless catheters and the atmosphere enveloped by the huge glass warehouse make people's pores tighten, as if they are the test subjects inside.

Xu Bai had already put on a lab coat and walked up.

Before the experiment, Xu Bai first explained to the doctor the principle of the experiment, which was to inject something called a mutant into his body, that is, the extract extracted from the corpse of the demon soul.

Why not use the stock solution taken from the Mutler?

The original solution is called the original solution, but in fact, he found that the original solution was not produced for no reason, but was extracted from the body of the former, that is, the source was still the extract of the former.

The fact that the other party can use this kind of thing to create a deformed creature like the Muter shows that they have similar research on themselves.

In the same case, the extract using the former is even safer than the stock solution.

Of course, it was also because he hadn't tried to use the former's extract, and he regarded the doctor as an experimental subject.

He also explained that even if the experiment is successful, there is a high probability that the body will turn into a monster and will not be able to return to human form.

The doctor hesitated at this point, but also said that it didn't matter, it was just a monster, and for the powerful, this point was negligible.

"Let's start experimenting."

The doctor walked into the glass chamber and lay down on the lab bed in the middle, with catheters attached to various parts of his body.

In order to reduce the risk, Xu Bai plans to start with the arm, inject the extract into the arm, and once there are any uncontrollable factors, he will immediately activate the protection mechanism in the machine to cut off the arm.

At that time, even if the experiment fails, the doctor will only lose an arm, not his entire life.

"Is that okay?"

Xu Bai looked at Dong Xiaoge in front of him, because the operation of the machine was too precise and complicated, even with him, it was difficult to complete it alone, so he called Dong Xiaoge over to help.

Although Dong Xiaoge has never been in contact with this kind of machine, he should be very good at this aspect as he studies machinery himself.

"Hmm."

Dong Xiaoge looked at the crafting pole and nodded.

"Alright, let's get started."

Xu Bai sat in the main operation seat, while Dong Xiaoge sat on the other side, starting this behemoth's machine, like a living life, the red light turned on.

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