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After draining all the blood of the orangutans, Fang Jinyan did not rush to return, but decided to extract the "Evolution Serum" on the spot.

The extraction of "Evolution Serum" is very simple, there is no too complicated process, and the requirements for equipment are very low, as long as you know the extraction method, ordinary people can extract it.

Fang Jinyan was a famous biochemist in the last days before he was reborn, so this was naturally no difficulty for him, and it was a piece of cake.

He could extract the "Evolution Serum" with very, very rudimentary equipment.

He added pre-prepared sodium chloride and ammonium sulfate to the water bag filled with gorilla blood for salting, and added alum as an adsorbent, and then left it in the shade of a tree, waiting quietly for it to separate on its own.

In the process, he wasted no time, picked up his dagger again, quickly cut off the orangutan's brain, and then took out a plastic bag from his bag and put it in.

The red orangutan that was ignored by Fang Jinyan was frightened and angry, standing in the distance and roaring at it!

Outside the iron fence, it has already become a purgatory on earth, countless people are crying, countless people are running, and countless people are being pounced on and bitten to death by zombies

However, none of this affected Fang Jinyan's work, as if nothing had anything to do with him.

After 2o minutes, Fang Jinyan took out a syringe, very carefully pierced into the top surface of the water bag, and slowly pulled out a tube of liquid!

Not cloudy, dark red plasma, but a clear, almost transparent, light cyan liquid!

This is the Evolution Serum!

After the plasma is detached, the temperature will drop sharply, coupled with the salting out of sodium chloride and ammonium sulfate, the rapid condensation is divided into several layers, and the "evolutionary serum" containing K virus antibodies is precisely located in the top layer!

This layer is very, very thin, almost a few millimeters thick, nearly 5ooo milliliters of plasma, but the extracted "evolutionary serum" is only one tube, almost 5 milliliters!

However, Fang Jinyan knew that this tube of evolutionary serum was invaluable, even in the late apocalypse, it could be exchanged for hundreds of tons of grain - in the last days, grain was something more valuable than gold! ――Not to mention, this tube is definitely the world's first "evolutionary serum"!

If Fang Jinyan really wanted to sell it, no one would get it at any cost!

However, Fang Jinyan did not plan to sell, because he was ready to use it for his own use, in the last days, his own strength was the most important thing, and other qiē things were not worth mentioning compared to it.

It's just that he didn't inject himself immediately, but took everything with him, hid in the cage of the orangutan zoo, and locked himself inside.

The cage was originally a place for the orangutans to rest at night, but now it has been taken over by him.

The reason for this is that after the injection of "evolution serum", the body will have a process of cell reorganization, which is relatively long, and it will take at least half a day to complete the evolution completely, and in this process, the state of the evolved body is quite weak.

This was also the reason why he was able to kill the evolved red orangutan, if there was no process, it would be difficult to kill it with Fang Jinyan's combat power.

And now it's Fang Jinyan's turn to evolve and face the same situation, so he needs a more secluded and safe place, otherwise he won't feel at ease, especially since there is a red orangutan who has hatred for him outside

What made him even happier was that he also found a large bunch of bananas in the orangutan cage.

It's great, you know, cell reformation requires a lot of protein and energy, and all the fat stored in the human body - more than 15% of the body - will be consumed, but even so, it is still very reluctant, even after evolution, it will still feel very weak, and you need to replenish a lot of food immediately, and if you continue to eat in the process, then the situation will be much better, and the effect of evolution will be much better.

So this big bunch of bananas is a very good thing for him now. Although there were two carcasses of chimpanzees outside, and Fang Jinyan didn't mind eating raw meat - this kind of thing is not worth mentioning in the last days - but both chimpanzees were infected with the K virus, and even the evolutionaries could not eat it, because the inhibitory effect of the antibodies was limited, and if a large amount of the K virus was ingested suddenly, the antibodies would be completely ineffective.

The uninfected orangutan could be eaten, but it was very powerful, and now the other party was very vigilant, and it was too difficult to kill it

After getting ready, Fang Jinyan picked up the injection tube full of "Evolution Serum", aimed at the meridians on his right arm, slowly pushed and pressed, and injected all the "Evolution Serum" into his body!

In an instant, Fang Jinyan seemed to feel a cold current that was frozen to the bone, spreading rapidly and invading his whole body!

After a few seconds, he felt as if every cell in his body had been bitten by countless ants

The pain is not very strong, but it is everywhere, from the muscles and skin, to the five organs and brains, and even deep into the bone marrow!

And his whole body turned red, like a bloody man, which was very terrifying.

Ordinary people would probably be frightened when they saw this situation, but Fang Jinyan was very calm, as long as he gritted his teeth and endured the severe pain all over his body

Because he knows very well that this is the most normal reaction to cell reorganization! Only by breaking down the original cells can a new level of cells be synthesized! And the cell is the root of evolution!

It may be that the method of extracting the "Evolution Serum" is too rudimentary, and the purity of the guide zhì is not very high, so Fang Jinyan's evolution was not as fast as expected, and it was not until 23 o'clock in the evening that he successfully completed the evolution

The pain that lasted for ** hours and spread throughout his body completely disappeared, and Fang Jinyan suddenly felt relaxed

Under the moonlight, he didn't get stronger, but seemed to have become a little leaner!

This is normal, because in the process of cell reorganization, in order to synthesize protein and replenish energy, almost all the fat stored in his body is consumed, and now his body fat content is no more than 1% at most!

And that big bunch of bananas had already been eaten by Fang Jinyan, and he didn't even have a banana peel left!

In the process of evolution, the human body has a strong digestive ability, let alone banana peels, even withered grass can digest it!

Although his body had become thinner, Fang Jinyan did not feel very weak, but felt refreshed, and a new kind of power was surging everywhere in his body!

He closed his eyes slightly, his consciousness should have been dark, but he could feel his own existence!

He could clearly "see" his body, and it turned out to be an orange humanoid pillar of light!

He wasn't surprised, because he was all too familiar with this phenomenon, and it was a unique way of feeling for evolutionaries - perception!

Later studies have proved that this perception is actually the legendary sixth sense, and its sensory organ is the brain.

Ordinary people also have the ability to perceive, but for some reason, they degenerate and lose their function, and cannot use them independently, and only occasionally have a flash of inspiration when they are in an extremely dangerous environment.

After the successful evolution, this perception will automatically "repair" and become one of the most commonly used sensory abilities by evolutionaries, and its importance even rivals that of sight and hearing! Smell, taste and touch!

However, Fang Jinyan, who has just completed his evolution, is still relatively weak for the time being, and the maximum range is only 3 meters outside the brain.

3 meters away, it was completely "pitch black".

The reason for this is that the external signals obtained through guò perception can also be converted into color signals by the brain, so under the "field of vision" of perception, it is also a colorful and colorful world.

However, at this moment, under Fang Jinyan's perception, he could only feel that his own existence, and all other substances, were pitch black.

This is because perception is mainly transmitted to the brain by sensing the frequency and intensity of life waves, which are converted into three-dimensional images.

Life waves are very similar to light waves (electromagnetic waves) and sound waves (mechanical waves), except that until the perception is restored, there is no way for humans to sense their existence, just as a blind man can never feel light waves.

Only living beings release life waves.

Therefore, the most important function of perception is actually to sense the existence of other living beings in the vicinity!

Fang Jinyan opened the cages, walked out, and then opened his eyes again, and instantly felt a large area of faint red light under his feet and not far away, and when he recognized them slightly, he knew that they were turf and trees.

The red life waves released by the trees are slightly brighter and more colorful than the red life waves of the turf.

However, compared to Fang Jinyan's body, it looks a lot bleaker!