More than ten sources of evolutionary power were integrated into Mu Xiao's body like pure essence, and the bloodlines of his whole body were activated, and the cell genes became very active, and it was very clear that his genes and bloodlines were being optimized, constantly resonating with himself, but after a few seconds, the wonderful feeling of his body gradually calmed down, but he knew that his bloodline genes had improved, and there were at least eight genetic resonances.

"If it were someone else, it would be at least ten or more times, it seems that my genetic bloodline is not ordinary, and evolution cannot be measured according to common sense......

In addition to the source of evolutionary power, Mu Xiao also obtained a small amount of pure primordial source, which he used all of it for his physique. Suddenly, there was a small force in the darkness that merged into his muscles, but it was still not enough to break through the SSS-level physique, and only with that little bit of boundaries could he break through the strongest physique of the old human and reach the 'top' physique of the new human.

Because his SSS-level physique is breaking through the threshold, and his physical strength is different from that of ordinary people, there are more pure sources, but as long as he takes a step forward, his physical fitness will take a big step forward, new changes will appear, and his antibodies will also increase a lot, at least he will not be infected with the virus of low-level zombies.

"Huh!"

Mu Xiao was about to collect the blood beads in the zombie's heart, but found that the dead tenth-level muscle zombie had a slowly wriggling flesh and blood qi floating on his body.

"Unexpectedly, this big zombie with ten genetic resonances has dropped the source of the ability of 'muscle strengthening'." Mu Xiao's face was slightly happy, and his palm touched the mass of flesh and blood, but it was actually a mass of flesh and blood, and slowly burrowed into the palm, and a force of blood and qi traveled from his arm to the whole body, with a warm feeling.

But not long after it was born, the power of blood and qi disappeared without a trace, as if it had been intercepted by some force. Mu Xiao was stunned for a moment, the original source was sucked into the entire sea of consciousness, as if under a thought of his own, this ability turned into a primordial source, which was used to improve the strength of his body or soul.

"This ......" Mu Xiao's face was full of surprise.

If you can transform any source of ability into your own needs, then you can speed up your promotion to the realm, but after strengthening, there must be a lot of benefits. Moreover, it is also possible to transform other sources of ability into the power of the primordial source to increase the strength of the physique, which is another opportunity to improve quickly!

You must know that not everyone can absorb multiple sources of ability, and if the sources of ability conflict, it is very likely to lead to the collapse of genes and the loss of the cultivation path of correct evolution.

Mu Xiao is basically sure that his sea of consciousness is a "refining furnace" that can transform some abilities into a primitive state, Mu Xiao has never heard of it before, someone can transform his ability into a primordial source, and it is very likely that the changes that occur after his rebirth have become his own exclusive ability.

"The legendary golden finger?" Mu Xiao joked to himself, not denying that he was in a good mood, and also gave up his mind to continue to strengthen his physique.

He did not turn "muscle strengthening" into a primordial source, but directly used muscle strengthening to optimize his muscles, because the strengthening of the primordial source lies in comprehensiveness, a small source disperses bones, skin, tendons, blood and ......, and muscles only account for a tiny part, which does not significantly strengthen the muscles.

"Muscle strengthening" is targeted strengthening, which naturally has the greatest effect on muscles, and it is undoubtedly better to improve the strength of the muscles, rather than differentiating the part to go to other places.

Sure enough, after absorbing a wave of strengthening, his physique is getting closer and closer to a breakthrough, but the source of the required promotion has increased a lot, this is because his bloodline gene is not the bloodline gene of an ordinary new human, but the bloodline gene that has been reorganized by a miracle formula, and naturally the demand for the source is relatively large.

"It's a pity that it's only ten times of genetic resonance muscle strengthening, if it's twenty or thirty times of muscle strengthening, maybe it's even better." Mu Xiao felt that the power of blood and qi in his body surged again, and soon it flowed throughout his body, and his muscles improved to a certain extent, which also eased the fatigue of the tiny muscles he had just fought, and his blood qi quickly returned to its full state.

Mu Xiao also knew that the more advanced the zombie in the Dao, he was not so easy to deal with, and he might be embarrassed to kill one.

If the zombie that resonated with genes ten times just now was replaced by a mutant with ten times of genetic resonance, Mu Xiao would be even more difficult to kill.

After all, mutants and zombies are not the same level, just like Mu Xiao and the zombies he killed just now, he himself only had one or two genetic resonances at that time, and he was able to kill ten muscle zombies with genetic resonance, different evolutionary directions represent different strength and strength, and the same is true for mutants, because mutants are a more advanced evolutionary variety than zombies, and they take the extreme evolution route, and their strength is naturally stronger than that of ordinary new humans, but they do not have the balance and potential of new humans when they evolve.

In fact, there are differences in the strength of genes between different mutant monsters of different degrees.

Mu Xiao quickly dug out more than thirty blood beads from more than a dozen corpses with his hands and feet, most of which were inferior brown blood beads, but there were ten ordinary vermilion blood beads and three high-quality crimson blood beads.

"It's a good harvest." Mu Xiao put away the blood beads and sat in the bloodless class, waiting for the next batch of zombies to come.

In the gloomy stairwell, more than a dozen zombies shed fishy and pungent black blood, Mu Xiao was like a demon sitting in the Shura Field, if anyone saw this scene now, they would be terrified.

Mu Xiao was very accustomed to this pungent smell of blood, and he didn't feel disgusting about the more than a dozen corpses in front of him that looked like the scene of a car accident. Because of the disgusting smell in the future era, everyone has become accustomed to nature, and those bloody pictures have completely become a landscape, and naturally cannot affect Mu Xiao's mood.

In the stairwell, another wave of zombies attacked, this time there were no too high-level zombies, all of them were about five or six levels, but the number was very large, at least twenty or thirty. Moreover, the clothes worn by a group of zombies are not the black armor defensive suits worn by the guards, but the uniforms of large white coats, like doctors or researchers.

Mu Xiao wielded the blade like harvesting straw, cut off the zombie's head, and punched the zombie's heart with a heavy fist, directly blasting.

Black blood splattered, heads broke, and zombies fell.

The blade flashed coldly, slashing the zombie's neck and throwing its head off.

The fist lines of the afterimages were staggered, and each heart that approached the zombie was dented by a fist, and the inner heart had become a mass of minced meat. Mu Xiao killed expressionlessly, the stinky blood splashed all over his body, and his face was also black, but his movements still did not slow down, but became faster and faster, just like a tired machine that didn't know how to do, it was simple and quick to kill with one blow!

The fifth... The Eighth ...... Each zombie was stacked on top of each other, and the entire stairwell was pungent and smelly, and the blackened blood flowed like a river.

The smell of blood stimulated the zombies' appetite more and more, and the attack became crazy, the black armor defensive suit worn by Mu Xiao was torn several marks, and the pointed long claws of some zombies directly tore through the soft steel embedded in the defensive suit, cutting the skin in Mu Xiao's body, but the damage was not great, and it did not affect the battle.

With his SSS-level physique, as long as the battle stops and mobilizes the blood qi of his body, he can handle these simple injuries well.

However, it seems that the situation is now that more and more zombies are fighting, originally there were twenty or thirty zombies, Mu Xiao killed more than ten, but suddenly more than twenty more zombies joined, obviously the fishy smell of the stairwell is getting bigger and bigger, permeating the entire law firm, attracting the appetite of all zombies.

But the more Mu Xiao kills, the more the resonance of genetic evolution accelerates, and he has now risen to 10 evolutions, but the next zombie level is too low, and the source of evolution power completely loses its effect, that is, the level is high, and the low-level monsters are defeated, and the characters have no experience points.

Among them, the primordial source of the Sea of Consciousness absorbing and refining also slowed down, obviously there were too many resonances, and the purified essence was not enough to supply the body and soul, and it only played a minor role, unless it was a more powerful mutant monster.

Mu Xiao introduced all the pure sources into his physique, and his strength increased slightly, and the most important thing was to ease the violent explosion of muscles, so that he could maintain a consistent one-hit kill. If you don't maintain a high-efficiency kill speed, it's easy to let the zombies below force you up.

"Now there are at least more than sixty zombies, and there is a trend of continuous increase, so it's not very optimistic...... Mu Xiao's spiritual power swept and detected the number of zombies, among which there are five or six zombies with ten evolutions, I don't know what strengthening ability Lu Dao has, once those few special zombies are killed in front of him together, it is not easy to fight, and it is impossible to kill with one blow.

Mu Xiao suddenly erupted, stormed and attacked, blasting the heads or hearts of the three zombies in front of him, and before the zombies in the back had yet to pounce, his body moved quickly, retreated to the stairwell of the secret door on the fourth floor, and quickly pulled out a C-level high-explosive grenade from the backpack on the ground.

Pick up the protective cover above, pull the safety line, throw it up, cross a graceful parabola in the air, and accurately fall into the center of the zombie pile.

Mu Xiao didn't look back, didn't pick up things, quickly opened the secret door, and entered the ordinary room on the fourth floor.

Bang!

There was a loud bang that ran through the lawyer's building, and the whole building trembled slightly.

Mu Xiao's mental power sensed the danger, and then opened the door and returned to the stairwell, and as expected, he pierced the head of a zombie that pounced on him, and kicked over a zombie who rushed over, and there was a smell of burnt stinky meat, and the disgusting smell was even stronger, and the black smoke that filled the stairwell also contained viruses.

Mu Xiao endured the unpleasant smell, cleared out a few zombies that attacked, and saw a raging fire burning inside the zombie pile, a large number of zombies were blown to pieces, and even five or six level 10 zombies were killed and two were seriously injured.

The main thing is that a large group of zombies is very crowded in the stairwell, and the damage of high-explosive grenades is naturally maximized. Moreover, a high-explosive grenade will not blow up the floor, because most of the zombies resist the damage and minimize the damage to the floor. Therefore, Mu Xiao did not hesitate to use a high-explosive grenade to make a ruthless shot.

More than sixty zombies were killed, about half of them were killed, and some of them were stained with flames, and soon some zombies also burst into flames, Mu Xiao continued to clean the zombies in the stairwell while absorbing the source of evolution power on the dead zombies, as well as extra spiritual power.

Generally, when a monster is killed with a foreign object, the source of evolution power is determined by the breath to determine who killed it, and the source of evolution power will automatically merge into the opponent.

If you want to rob monsters, as long as you leave more damage, then you will have more sources of monster evolution power.

To put it simply, each person's attack has a unique soul aura, and the source of evolution power will be distributed according to the strength of the aura.

However, there was no one here to rob Mu Xiao of the monster, and a high-explosive grenade came down, which basically accelerated the progress of killing zombies. After a few moments, he quickly cleaned up the mess, and the remaining fires on the ground were extinguished, and there were no zombies continuing to make their way to the stairwell for the time being.