"Coco, wait for me by the lake. I'll go down and take a look."

"Hmm!" Coco responded, jumped off his shoulder, and lay on a rock by the lake.

The lake was very calm at this time, and a breeze blew, causing faint ripples on the surface of the lake.

There are no longer any fish swimming in the lake. Even the lotus flowers, lotus roots, reeds and other plants that originally grew by the lake have all withered. The entire lake presents an extremely bleak scene.

I wonder if this lake will be frozen tomorrow.

The lake water was very clear. Xu Xin looked towards the center of the lake. The bottomless center of the lake was still pitch black, like a dead lake, which made people feel scared just by looking at it.

Xu Xin took out a water plant, ate it and gained the ability to breathe underwater, and ate red berries that allowed him to see things clearly in the dark. He took a deep breath and dived into the lake.

The cold lake water instantly soaked his whole body, making him shiver.

The lake water is so cold! It must be close to zero degrees!

The scale armor suit was not a sealed suit, and water seeped in through the gaps in the armor suit, making him feel cold all over.

So cold!

The scale armor suit can't actually block the cold in the water!

This needs to be quickened! Otherwise, at this temperature, it won't be long before his hands and feet become frozen and numb.

Xu Xin opened his eyes and looked at the scene in the shallow water.

There really wasn't a single fish in the lake. Even the ordinary aquatic plants at the bottom of the lake had disappeared, leaving only gravel and sand covering the lake bottom.

Compared with the previous lake, the lake at this time really makes people feel extremely desolate.

Without stopping, Xu Xin continued to swim towards the center of the lake.

Soon, after a few seconds, he reached the edge of the huge hole in the center of the lake.

Huh?

Xu Xin sensed something was wrong.

Why does that bottomless hole in the middle of the lake feel like it's... expanded a little?

The last time he went into the lake, the edge of the deep pit at the bottom of the lake dropped sharply, about thirty meters away from the lakeside, which means that the shallow water area is about thirty meters.

But now…

Looking at the huge pit in the middle of the lake that suddenly appeared in front of him, Xu Xin turned around and looked behind him.

This place is only twenty meters away from the shore... No, less than twenty meters!

...This giant hole in the center of the lake will expand on its own?!

Xu Xin's heart suddenly tightened.

What is going on?

After experiencing the Giant's Skull Salt Mine incident, he became very sensitive to this kind of terrain that could change on its own.

Could this giant hole also be alive?

The mouth of a giant beast?

Oh my god...I'm a little afraid to go down...

No no no...it shouldn't be possible...

This is just a hole. From the appearance, it has nothing to do with a mouth or anything like that, and is completely different from the giant's head.

but……

Xu Xin pursed her lips. This lake was truly fraught with danger.

Although choosing to plant the tree house here brought him a lot of convenience, the dangers also came one after another.

If this giant hole can really continue to expand...

His tree house is less than two hundred meters away from the lake, which is very close. If there is any problem with the lake, his tree house will probably not be able to escape.

Could it be that he remembered it wrongly?

No, the distance has definitely shortened, and the giant hole has indeed expanded!

Forget it, let’s not worry about this for now. Let’s finish what we need to do first. Coco said there was no danger in the cave, and Xu Xin still believed it.

He stared intently at the huge abyss.

At a depth of about twenty meters from the water surface, blue-level water plants grew again, floating on the cave wall with the water flow.

From the direction of the blowing grass, it can be seen that the water in the huge hole in the center of the lake is slowly rotating in a clockwise direction, like a huge whirlpool.

However, due to the slow speed, if there is no movement of aquatic plants, it is impossible to see the water flowing with the naked eye.

At a depth of about 40 meters, the dark green ores are still on the cave wall.

However, unlike the last time, those strange and aggressive-looking big fish that were previously wandering at a depth of fifty or sixty meters were now nowhere to be seen and had completely disappeared.

The blue-level fish maw he ate was obtained from this kind of fish, which also gave him stronger resistance to water pressure, so he can now have the strength to dig those green metal ores.

Xu Xin carefully observed the rock wall below. He was afraid that these fish, which looked very similar to the surrounding rock walls, were clinging to the cave wall and had merged with it, so he didn't notice them.

After observing for a long time, he finally confirmed that there was indeed not even a single big fish like that in the cave.

After making sure there was no danger in the cave, Xu Xin continued to sink slowly, reaching a depth of about 20 meters, and harvested blue-level aquatic plants again. This time, he obtained 14 plants, enriching his inventory.

Continuing to sink, Xu Xin soon approached the green-surfaced minerals.

Most of these ores are green-grade, with only a few flashing blue light.

Xu Xin already felt something was wrong with his body. Both his body and ears could not withstand the water pressure here.

Forty meters?

This is probably his limit.

Compared to Qin Yunlong and his brothers who were able to dive to a depth of more than 100 meters to explore a long time ago, his diving ability is really worrying.

But it’s enough, at least I can collect these ores.

After it was connected to the other side, this bottomless underwater cave was left to the two of them to explore.

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