As a result, what He Li didn't expect was that Xingyu passed the test in a very way.

He didn't say anything specific at all, he just admitted his mistake and played haha, and Captain Beihuan didn't care anymore.

The reason is naturally the extra dozen bags of chocolates in the bag of Captain Beihuan, who claims to be fair and honest.

He Li was surprised to find that Bei Huan actually liked to eat this kind of snack that He Li felt a little greasy.

According to Bei Huan, since chocolate is also a relatively luxurious snack, there is not much supply in the base, and most of her chocolates are blatantly embezzled when she occasionally makes guest appearances as members of the material search team, but in fact, there are not many of them.

"Hmm...... Let's not take this as an example! Bei Huan was holding a piece of chocolate, with a happy smile on his face, a little vague.

……

The first day of the mission, and so it passed.

At night, the village was unusually quiet, thinking it had been thoroughly cleaned up several times, and now even the roar of the zombies could not be heard. In this way, the footsteps of the patrol members outside became clearly audible.

"Hey, it's so boring......" He Li lay on the table boredly, his fingers playing with the flame on the candle, the temperature of the flame had no effect on her with the fire attribute ability at all, and it would not hurt her at all.

"If only the kitten were there." He Li thought.

To be honest, for just over a day, she still thinks about kittens.

Because he was worried about the danger of the mission, He Li put the kitten in the survivor base and asked the waiter arranged by the base to help take care of it, although it is still a luxury to have a pet in this last world, but between He Li's status as an evolutionary, no one said anything.

"Next time, if you can, it's better to bring the kitten out, it's boring." He Li thought.

The candles flickered, illuminating the room in a foggy dream.

"Hey, go to sleep." He Li was stunned for a while, snuffed out the candle, said goodnight to himself, and threw himself to bed.

"I'm really tired today......" He Li covered his eyes with his arms and muttered.

A lot of things have happened today, and I'm really tired.

Biochemical creatures, ancient ruins, formations...... Scenes passed in front of him, although he was very tired and wanted to sleep, but what happened today still made He Li want to rest, it was really a bit chaotic.

Just when he was in a daze, He Li seemed to hear something.

"Hurry up, everyone get up, let's go back!"

It was Bei Huan's voice, and there was a bit of panic and urgency in his voice.

"What's going on?" He Li took care of everything as quickly as he could, and went out to ask.

"It seems that something happened to the survivor base, and the signal was sent for everyone to go back." Xingyu was already standing in the corridor, and when she saw He Li coming out, she explained to her.

"A team has found that the zombies in the city have gathered into a large wave of zombies moving towards the survivor base, it is estimated that it will arrive at the survivor base within ten hours, and it is an emergency time, everyone has to go back!" Bei Huan passed by the two of them and quickly said, "I have already asked those soldiers to drive, the car is downstairs, let's go quickly, if the survivor base is surrounded by a zombie tide, we can't go back, follow quickly." ”

Before he finished speaking, Bei Huan had already run downstairs.

He Li and Xingyu hurriedly followed.

"Actually, it's okay if you can't go back, right?" got into the car, Xingyu sat beside He Li and said casually.

For those ordinary people, it may be dangerous outside, but for He Li, the danger outside is relatively much smaller, if they go back, the survivor base is broken by zombies, even for them, the survival rate is very limited. On the contrary, if you are outside, the survival rate may be a little greater.

"Let's go back and talk about it!" He is noncommittal.

"Hmm." Xingyu nodded and said, "It doesn't matter about this matter, what I care about is why there is a zombie wave." ”

He is stagnant.

She also knows that zombies are just like monsters in the game, although they are wandering, they will not be far away from a certain range. Only when you are dispersed by high-level zombies or attracted by prey will you stay away from the active area, but this time the formation of a city-wide zombie wave is worth considering.

"There are a few possibilities." Xingyu analyzed, "One, there is a very powerful zombie that controls the other side of the city, and ordinary zombies are driven by its shock, but this possibility is not high, first of all, not to mention whether there are powerful zombies that are enough to control and affect such a large area, even if there is, it is difficult to form a zombie tide with this kind of deterrence alone." ”

"Second, someone attracted it." Xingyu continued, "Of course, this possibility is even lower, not to mention the motive, let's talk about the problem of how to attract so many zombies, even the evolutionary can't do it. ”

"So?" He Li subconsciously asked.

"What I'm most worried about is the third possibility, the emergence of intelligent mutant zombies that can control ordinary zombies." Xingyu said in a deep voice, "The intelligent mutant zombies control the zombie tide to attack the survivor base, wanting to exterminate the human race. ”

He Li was silent, if it is established, then the survivor base is very dangerous now, the controlled zombie tide attacks the survivor base, if the scale is relatively large, the survivor base is also more dangerous, after all, there are too many zombies.

"How do you control zombies?" He Li paused for a moment and asked the question.

Obviously, those zombies are just creatures that follow the instinct of seeking advantage and avoiding harm, how can they be controlled?

"I guess it's Sonic Wave." Xingyu said, "When I was doing biochemical experiments in the base before, I found that many biochemical creatures were very sensitive to sound, and I think there may be a zombie who has mastered the frequency of sound waves that can drive other zombies to control other ordinary zombies." ”

"Hmm." He Li replied in a low voice.

It's not like she's never seen intelligent biochemical creatures, such as those mutated crocodiles have a lot of simple intelligence, but their threat comes more from their original power, because they can't control ordinary zombies. But if intelligent biochemical creatures can control ordinary zombies, then the threat is much greater, once ordinary zombies form a tidal wave to come, no one can really stop it.

Just like in ancient wars, no matter how powerful a fierce general with the courage of ten thousand men is, the threat is not as good as that of an army of millions of soldiers. It is quite true that numbers determine power.

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It's easy to catch a cold in summer...... I have a cold again today, and I feel a little messy and have no ideas...... That's it for today......