Seeing that everyone had no opinions, Qiao Yi and Li Xing exchanged a look and walked in the direction of the city wall.

"Who are you?"

The guard saw Qiao Yi and the two who wanted to come up, blocked their way and asked.

Qiao Yi was explaining positively, and just happened to see Zheng Nanchen on the city wall looking this way. Qiao Yi smiled at this.

"You ask him ......"

The guard looked back in the direction Qiao Yi was pointing, revealing a puzzled expression.

Zheng Nanchen sighed a little helplessly, he knew Qiao Yi with these two people, after all, he had just brought out a person from him, and his strength also made Zheng Nanchen's eyes shine.

He himself is an S-level powerhouse, this is the highest level he knows, although he has also seen several ability, but no one can give him, just like the oppression blessing when facing Qiao Yi

"Let them come up. ”

The guard answered and made way for Qiao Yi.

After going up the city wall, Qiao Yi greeted Zheng Nanchen with a smile, and he couldn't see that the person who threatened Zheng Nanchen with a gloomy face just now was not him.

"Hello, we're meeting again......"

"Didn't you come to me this time?, what's the matter?If it's for some compensation......" Zheng Nanchen said.

Qiao Yi snorted. "I think it's the kind of person who is urging for compensation? We're just going to look at the situation and see if there's anything we can do to help...... I also introduced it, this is my friend, Li Xing, and my strength is five or five with me. ”

Li Xing nodded, which was regarded as a greeting.

Zheng Nanchen glanced at Qiao Yi suspiciously: "Look for yourself, the current situation can only not be optimistic......"

Qiao Yi looked under the city wall.

I saw that under the city wall, dense zombies gathered together, they didn't want to be like the zombies Qiao Yi saw at the beginning, chaotic and disorderly, they were more like a trained and orderly army.

Zombie army?

Qiao Yi gasped.

The horror of zombies is contagious, and his unique life structure, only by separating the head from the body can they lose their ability to fight, in layman's terms, it is a headshot.

Zombies are not only notoriously difficult to kill, but also tireless, fearless, and not afraid of death.

And the weakness of the zombies is as obvious as their strengths, that is, all their actions are based on instinct, there is no order, no command, chaos, only when they have the same goal, they will attack collectively, but that is also the goal of attacking one after another.

However, now it has greatly refreshed Qiao Yi's cognition.

"It's ...... What's going on?"

Zheng Nanchen looked at Qiao Yi suspiciously, and then retracted his gaze with relief, looking at Qiao Yi felt weird.

"If zombies like wandering around the city are counted as first-level zombies, then there will be evolved zombies after that, that is, second-level zombies. ”

"Second-level zombies?"

Qiao Yi had never heard of it.

"We found that in this zombie outbreak, not only have we evolved among humans, giving birth to people with various abilities, but zombies will also evolve...... And zombies are the most common, just like ordinary humans who have not evolved. Level 2 zombies are evolved zombies, they are not like humans, they will evolve various abilities. ”

"The evolution ability of zombies is generally divided into two types, one is to evolve speed, and the other is to evolve strength, as the name suggests, this evolution provides the enhancement of these two attack methods of zombies. ”

Zheng Nanchen continued to popularize science.

"Uh...... With all due respect, does this of yours have anything to do with the current situation?" Qiao Yi pointed to the zombie below.

Zheng Nanchen gave a roll of his eyes a little speechless.

"Aren't I talking about this?

Qiao Yi: Okay, yours are right......

Qiao Yi confessed on the spot.

Zheng Nanchen sorted out his emotions for a moment and continued: "These two evolutionary methods are only the most common two, and there is a special kind of evolutionary zombie under this, what they evolved is the brain, that is, the intelligent zombie. ”

Intelligent?

Qiao Yi was a little confused, just this kind of zombie with missing arms and legs, can still evolve a brain?

Maybe it was because he saw Qiao Yi's expression and guessed his thoughts, Zheng Nanchen explained: "Of course, the evolution of zombies is conditional, just like the evolution of human beings needs an opportunity, such as a critical moment or something, the evolution of zombies not only needs an opportunity, but also the premise is the integrity of the body." ”

For example, a zombie with speed, at least you have to make sure that his legs are flexible, if even one of his legs is broken, good guy, you and I have evolved speed, I will ask you, do you believe it yourself?

Therefore, physical integrity is a prerequisite for zombies to evolve.

But the zombies before the evolution will attack like a madman, and it is difficult to guarantee that they will not hurt themselves again, so there are very few zombies that have evolved, after all, this premise is ......

"And the terrible thing about intelligent zombies is that he can manipulate ordinary zombies and use them for his use, although he has given birth to wisdom, but he has become a zombie, there will only be killing in his mind, and he won't even remember much of the fragments before his death. Compared with ordinary zombies, he has more wisdom to consider the pros and cons. ”

Zheng Nanchen said.

"So, the appearance of zombies here is because of the manipulation of an intelligent zombie?" Qiao Yi finally understood.

Zheng Nanchen nodded, a trace of worry flashed in his eyes.

Ordinary zombies have no intelligence, only instinct, and intelligent zombies have evolved into their most lacking wisdom, so isn't such a zombie the most perfect, and who else can compete with it?

Qiao Yi asked this question.

"Of course not, the intelligent zombie seems to make up for the zombie's brainless weakness, but wisdom also happens to become his weakness...... With wisdom, it means that you will think, and you will no longer make fearless moves, and the intelligent zombies don't know if they have degenerated, and their combat effectiveness can't even beat ordinary zombies. "Remember 'www.' for you to read for a second

This kind of zombie is not good, and it is impossible to run faster than humans.

Is the consequence of having wisdom losing the ability to fight?

Qiao Yi nodded thoughtfully. "Hey, how do you know?"

This kind of information is obviously not something that ordinary people can ever know, even Zheng Nanchen, who established a shelter, it stands to reason that the zombies he came into contact with were just to kill the enemy, how could he still make it seem that he was still researching?

Zheng Nanchen glanced at Qiao Yi again: "Do you think that there is only one refuge in this world, me? This kind of information is shared......

The information shared in the shelter seems to be a big guy who has started to study zombies.

Qiao Yi thought.

"Then the big question is, why does this intelligent zombie summon zombies to attack here, doesn't he know that even if he succeeds, he will have to pay a big price?

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