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After the battle in cave b1, everyone came to cave c1.

There are no insects in the c1 cave, only the smell is so strong that it almost makes people faint!

As soon as they entered the cave, all the black soldiers felt the stench that almost penetrated the gas masks!

The highest specifications of the black soldier-level gas masks can only be used in medium and low-concentration gas environments, and they are specifically targeted at the poisonous gas of zerg. Now that the gas mask cannot prevent the stench, it means that the concentration of the odor in the C1 cave that everyone entered has exceeded the limit.

"What kind of smell is this?!" Zhu Shijiu almost fainted from the smoke.

You must know that Black Soldier's various senses are several times sharper than ordinary people. Zhu Shijiu's current body has been strengthened. Although it has not reached the physiological limit, his sense of smell and other senses have been greatly improved. He can smell this stench. It was simply torture for him.

"It's the smell of corpses and insect feces."

The thorns also smelled it, but she felt nothing strange about it. Including the other black soldiers, there was no abnormality. They seemed to be used to this smell. Among the people present, Zhu Shijiu was probably the only one who didn't know what the stench was.

The searchlight of the thorns reached down, and then everyone saw the scene in the entire cave.

I saw that the bottom of the cave under the searchlight was like a swamp, filled with gray-brown viscous material, and this gray-brown material was constantly bubbling out.

"Is this all worm feces?!" To be honest, this was the first time Zhu Shijiu had seen zerg feces.

When he originally heard the word "feces", he thought of hard and smelly dry feces, but now all he saw were feces that looked like loose stools... Is the stomach of the zerg not good?

"This must be your first time seeing it, right? After the zerg eats a person, the highly corrosive acid in its stomach will digest all the human tissue it eats into liquid. The level of corrosion of their acid It is so strong that its acidity exceeds the strongest acid currently produced by humans.”

The strongest acid currently produced by humans is fluorantibonic acid, which is the product of the reaction between hydrofluoric acid and antimony pentafluoride. When mixed in a ratio of 1:1, it becomes an artificially produced super acid. Its acidity is that of pure sulfuric acid. 2x10 to the 19th power, and the acid will react with almost all solvents currently known, and even when in contact with water, an explosive reaction will occur.

Zhu Shijiu's expression changed after hearing this. The stomach acid inside the zerg's body is more acidic than the strongest acid humans can produce? !

"This super strong gastric acid is named wormic acid, which is enough to digest a complete adult in a few seconds, and it can also digest all the bones and bones into a viscous liquid and excrete it from the body. Don't think that the swamp is just smelly now, but in fact Once you fall in, you are basically hopeless. Even if you fish it out immediately, you will only get a pile of bones. "

Zhu Shijiu was speechless: "...don't use me as a description, okay?"

"In short, the swamp you see now actually represents the lives of humans who died in the mouths of the zerg. After a long period of drying, this swamp will become the solid feces you imagine."

Thorns glanced down and then said calmly.

"These zerg eat a little more people than I thought."

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I wish Shijiu was silent. He could do nothing but remain silent.

Everyone bypassed this terrible acidic swamp, carefully climbed on the stone wall, and then arrived at the next cave.

The next grotto was empty, with nothing in it. Being full of vigilance resulted in nothing.

The rest of the caves are still the same.

Whether it is Captain Thorn or other black soldiers, their sixth sense cannot sense danger.

Jingjiu did not confirm with Zhu Shijiu where the so-called "thousands" of zerg came from, because she knew that even if she asked, Zhu Shijiu would only answer that it was the information of the organization's investigation.

But even she, who had previously sworn to the military that there were tens of thousands of zerg in Papua New Guinea, finally began to doubt the authenticity of this so-called intelligence.

There was silence all the way until they entered the next few caves, but no more zerg were found.

And the strange thing is that not even hundreds of zerg were seen. The fifty-two zerg seen in the first wave was already the most.

After walking half of the map, everyone rested in a cave.

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Thorns took out a blueprint that had been prepared, and then several black soldiers came up, including 03.

"It's your turn to perform." Zhu Shijiu said.

He knew that 03, as the weaker member of the team, was responsible for the investigation team. The task of drawing maps after exploration like this was generally what the investigation team should do.

"My drawing skills are very average..." 03 said with some embarrassment, then picked up the paper and spent five minutes drawing a professional map, which detailed the distribution of each cave and the passage network, which looked quite complicated.

Zhu Shijiu nodded repeatedly: "Not bad, this is a good map drawing."

03 shook his head: "It's good, but it's far behind the big guys. Have you ever taken a map drawing class?"

"Been there."

03 glanced at Zhu Shijiu, wanting to say that you are still pretending, you are clearly Zhu Shijiu.

Combatants like Zhu Shijiu generally have no chance of participating in the reconnaissance department's courses. Anyway, 03 doesn't believe that students with such strong combat effectiveness would take such useless auxiliary courses. Who would do that except Zhu Shijiu? ?

Although Zhu Shijiu had taken a map-drawing class, his level of map-drawing was actually not high. The map-drawing class was simply a result of cheating.

Original text. From \u003e From the Tower. Read Xiao.Speak..ap\u003e~p. , more\u003e free @ free good books, please download @\u003czai tower\u003c@ to read ~ - novel a

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"Graduation from the cartography class requires us to enter an irregularly shaped maze in the dark, and then draw the entire map with an error of no more than ten meters. My current level is not up to the standard for graduation, so I can only take a look at it. I really want to see it. The map needs to be drawn by other black soldiers.”

Sure enough, Zhu Shijiu took a look at the maps drawn by other black soldiers that he had started drawing at the same time as 03 but had not yet finished.

It is obviously more detailed than 03, and there are many annotations. The channel network is also drawn in more detail than 03. If you take out the map drawn by 03 and compare it with them, you will find that many of 03's markings are different from what they drew.

This is the advantage of setting up multiple scouts. The maps they draw can be compared with each other, and the most accurate map can be determined through mutual verification.

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Higher level Scouts can remember more specific details and create more detailed maps. 03 has not yet reached this level and is still learning.

"Here, here, and here, your memory seems to be wrong."

"Yes, I think so too. There is a difference between the route I drew and the one you drew. Am I wrong?"

"I remember it was like this first, then that, and finally this..."

The black soldiers of several reconnaissance groups discussed with each other and drew on their respective maps. If there was any uncertainty, they reviewed the video together and made final revisions. The map drawn was basically the most accurate version.

More than ten minutes later, a brand new map was released, and Zhu Shijiu went over and silently memorized it.

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According to calculations, they had walked through half of the mountain space, but they still did not find any more zerg.

At this time, Thorns came over and looked at the map.

"Everyone has rested, let's move on."

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