"This wall is very dense, and it takes a lot of mental energy to pass through, and what you see is probably not very clear."

"Try your best! If there is a gap. ”

"I see! Up or down? ”

"Go up." With Xiao Yi's instructions.

Lu Xuexin's spiritual power was immediately released.

The next moment, a projection appeared in front of Xiao Yi.

Xiao Yi was a little speechless, where the hell is this, it is almost the same as the position they are standing on now, it is a passage about 10 meters high, almost identical.

"Xiao Yi, we seem to have been spinning in a circle, have you noticed?"

"What?"

"And the passage seems to have some slopes."

"You mean, we're going in the wrong direction?"

"Quite possibly."

"So what do we do? Go back? ”

While the two were talking, suddenly the sound of insects crawling in front of them was heard.

"What's the sound?" Lu Xuexin was a little puzzled.

"Not good! It's ants, let's run! The next moment, Xiao Yi pulled Lu Xuexin and ran.

I don't know how long I ran, but the voice behind me is still following.

"Xiao Yi, they are still following us, what should we do?"

"The front has been sealed, and I can't get through it at all! We have no way! We can't run away. ”

"Wait for me to take a look around! Don't worry, there's no end to it! What's more, we are still superpowers, and if we really can't do it, we will rush through the ant colony in the form of electric light! ”

Xiao Yi's hand lit up with blazing electric light, illuminating the surroundings, Xiao Yi suddenly found that on the wall, there seemed to be a thick metal door hidden there, which was very close to the color of the wall, and if you didn't look carefully, you really couldn't tell it.

"Xue Xin, look, what is this?"

At this moment, Xiao Yi pointed to a wall, where the wall was actually metal.

"You mean, there's a hidden lab here?"

"I don't know what it is, can't you find out your mental power?"

"My mental power is blocked. Can't get in at all. ”

"Could this be a laboratory? What if there are any more monsters running out of the lab? ”

"I can't care so much! Either you'll be eaten by ants, or you'll get into this lab and hide for a while. At this moment, the ants were already within 30 meters of Xiao Yi and the others.

"Let's go into this lab." The next moment, Xiao Yi pulled Lu Xuexin's hand and turned it directly into electric light, directly penetrating into the metal.

"What the hell is this?"

"It's so cold in here!"

"Yes! Wait for me to light up here. A blazing electric light appeared in Xiao Yi's hand.

However, at the moment when the electric light appeared, Xiao Yi noticed a change, and the entire space seemed to be brightening. When Xiao Yi saw this, he immediately extinguished the electric light in his hand, but he soon found that the light around him began to weaken rapidly, and it could disappear at any time......

"Xiao Yi, what are you doing? Make it brighter, don't make it so dark. Hearing Lu Xuexin's words, Xiao Yi summoned a lightning ball again, and this time he also output a more powerful voltage.

As Xiao Yi used lightning to create brighter light, Xiao Yi found that this place actually seemed to be a city, but why a city was underground made Xiao Yi very puzzled.

"Xiao Yi, look at what's in the middle of the city?"

"It seems to be a hexagonal crystal, is the one below the altar? I don't know what this thing is for. ”

"Xiao Yi, did you say we came to the alien base?"

"It's so cold here, even aliens are freezing to death."

"Let's go see what that crystal is?" At this moment, Lu Xuexin's eyes were radiating stars, obviously thinking that she had discovered an underground treasure.

As the two walked in, Xiao Yi found that the crystal seemed to be absorbing the electrical elements that he had scattered outside.

"Xiao Yi, have you found out? I feel as if it's absorbing my spiritual element! ”

"I've also discovered, indeed, that it's absorbing my lightning element."

"Also, if I stop pumping out electricity, it's going to get dark."

Obviously, neither of them is very clear about the situation here, but their curiosity about strange things has already risen.

"Xiao Yi! Let's explore this great discovery! ”

"Maybe we'll go down in history in the future." At this moment, Lu Xuexin's face was excited.

"Alright, be careful, don't forget, how we got in, and the door here is sealed, it can't be opened by normal means, and it's so cold here, I can't figure out what terrible things are sealed."

"Oh, too, and it's so cold here, if we weren't wearing biochemical suits, we would have frozen to death! The temperature here must be at least 0 degrees below 70 degrees. ”

"You said this crystal, is it made of ice cubes?"

"That's right! But this crystal is really weird. ”

"I don't know what to do with it, but it can automatically absorb our scattered elements.

And so the two of them began to move around the underground city.

"Xiao Yi, do you say this space is really underground? Isn't our city completely empty underneath? I remember that there were people who had hit the groundwater, but I didn't see it and said it couldn't be hit. ”

"I can't tell, I don't even know where my lightning ability sent us."

"Xiao Yi, what are you talking about, you don't even know where we are?"

"It's just a split second inside the wire, and you can't even feel the distance. I just controlled the general direction and came out. ”

At this moment, Lu Xuexin was speechless.

As the two talked, the space was getting brighter and brighter, and the two of them could already see the dome.

Xiao Yi and Lu Xuexin both raised their heads at the dome at least 500 meters high from the bottom of the cave at the moment, all made of metal materials, without any gaps.

"Xiao Yi, I think this project is definitely not completed by human beings, who has such a big hand. Sending so much metal to such a deep underground. ”

Just as the two of them were still sighing, the space around them suddenly changed, and with a buzz, something seemed to be activated.

The next moment, the sky appeared on the top of the cave, and there were white clouds! The metallic dome was gone.

And the surroundings of this space have also changed, and they have actually begun to change as if they are on the ground.

If someone takes out their camera to take a picture, they won't be able to find out that this is a hidden city.

However, the two soon discovered some anomalies.

"Xiao Yi, look at what those things are." At this moment, the two of them noticed that there were some huge ice cubes floating in the sky.

"It's like an ant, and this ant is too big."

However, before the two of them could say anything, Xiao Yi discovered something strange, that is, it began to rain here, to be precise, the ice on the dome began to melt.

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