That's strange...it should be around here."

Xu Ying was in the wild at this time, sitting on a big rock, holding her chin with a depressed look.

"Why can't I find it? This is the only place in the area that's contaminated..."

After coming out of the villa, she roughly checked the area around the city and found that only the area they had just explored was contaminated, and the soil in other areas was still normal.

"The soil is contaminated, which means there must be some special facilities here."

Xu Ying jumped down from the big rock and turned around to look at it.

She touched her smooth chin, then suddenly kicked sideways at the nearly two-meter-high stone.

“Crack!”

It was clearly a leg that looked slender and weak, but it suddenly burst out with unparalleled strength. The moment it touched the big rock, the entire rock shattered instantly and then collapsed in all directions.

"Hmm... isn't it inside?" Xu Ying revealed a slightly tired look. "Where exactly is it? Am I wrong?"

"No, that should be correct."

Xu Ying looked around carefully again. "The center of the entire contaminated area is right here. The source of the pollution must be here... Is it underground? That can't be the case... The transmission device, I remember, must be partially exposed."

Xu Ying believes that the reason the soil nearby is contaminated is that someone among the alien invaders buried a teleportation device here.

The alien invaders' teleportation devices do not pollute the nearby soil when buried, but every time they operate, they release some pollutants into the surrounding area.

The pollutants that cause land pollution are the waste generated during the operation of the conveyor.

Because the main substances in it have been basically used up, its pollution capacity is not strong, so it will not completely pollute the surrounding land and make the land completely unusable.

But the pollution will gradually spread. The more times the teleportation array is used, the larger the area of ​​land around it that is slightly polluted will be.

"Based on the area of ​​contaminated soil, if it was really caused by the teleportation device, then it would be a bit difficult to deal with." Xu Ying's face looked a little ugly.

To pollute such a large area of ​​land, the transmission device would have to be activated at least hundreds, or even thousands of times!

This number is really scary!

If this is true, it basically means that this most core city of mankind has probably been completely peeped at long ago.

and……

This also explains why the guards who suddenly wanted to capture her this time received such orders.

Perhaps some of the upper echelons of humanity here have actually established relationships with the alien invaders on the ground!

There should be nothing wrong with Wei Bo, and she didn't feel any traces of monsters or mutant creatures over there.

In that case, it should be one of the other two... or maybe both of them?

"There are more lackeys!"

Xu Ying kicked the gravel under her feet, clearing a space, but still did not see what she wanted to see.

"Maybe... I'm wrong?" Xu Ying didn't want to believe her own guess.

If this is true, then she is now in a very passive situation.

This situation is terrible!

She wasn't afraid of what the humans here would do to her; they couldn't hurt her at all. But if it were alien invaders...

That's another situation.

Although she was very proud of her current abilities, facing alien invaders who had developed seven hundred years longer than the monsters that had enslaved her for three hundred years and had taken root in the region for a thousand years...

She really has no confidence.

"Don't think like that!"

Xu Ying slapped her face hard,

My face turned a little red, which made me sober up.

"I have the power of time and space. Only this world can kill me. Those monsters are nothing! I can fight them alone now... I shouldn't have any trouble fighting them alone!"

He was clearly trying to muster up courage, but as he spoke he lost his temper.

She kicked the gravel on the ground with some annoyance, squatted down and hugged her head.

"What the hell is going on? Everything was fine when my brother was here, but how come things became so complicated after he left?"

It was obvious that she hadn't been responsible for handling the previous issues, but now the problem has become several times more complicated than before, and she is asked to take responsibility...

She can't do it!

"No! I have to cheer up!" Xu Ying stood up suddenly. "Brother gave me the chance to survive. I can't be so depressed!"

She looked around and carefully checked her surroundings again.

Still found nothing.

"My guess should be correct."

Xu Ying thought about it seriously.

"I did see a flash of mutant humans here before. The uniform colors of their equipment made them undoubtedly those lackeys."

"If this is where the teleporter is, that would explain why I saw them here."

“But I really can’t find it…”

Xu Ying looked down at the ground.

"Could it be that it's really buried underground? How strange..." Xu Ying stamped her foot and stomped on the ground. "This is already an underground world, and if it's buried underground... can this teleportation array really work?"

"Perhaps... the source of the pollution isn't in the center of the contaminated land?"

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