Gradually, the tunnel became wider and more rugged.

However, there was no more darkness than before, and it became a little faint and dim.

Li Zhen looked around with his perspective eyes and found that the ground inside was full of stalactites, and some of them were still slightly shiny, which was the main reason why the entire cave was not so dark.

It's just that there are a lot of gravel on the ground, with sharp edges and corners, comparable to swords, and if you are not careful, you may be pierced through the footboard.

Fortunately, when Li Zhen came, he was wearing thick cow tendon leather boots on his feet, and he was not afraid of the sharpness of the edges and corners of this stone at all.

He hunched over and walked forward quickly.

Because the cold wind is getting stronger and stronger.

In my heart, I estimated that after walking for about an hour, the cave became wider and wider, and even the space for two people could be lined up side by side.

And the luster of the stalactites hanging upside down above his head became more and more obvious, so that he could see the scene around him clearly without seeing through his eyes at all.

Those soft sheens are like small fireflies on the top of the head, flowing with a faint light.

It was as if he had been walking downhill.

Suddenly, he paused, listening intently.

Because, all of a sudden, he heard a commotion.

This is the sound of the flow of water.

Li Zhen was overjoyed, and suddenly came to his senses.

Originally, since he fell into the abyss, until now, at least three hours have passed, and he has not eaten anything or drunk a drop of water.

If it was normal, he could easily deal with it.

But now he can't, because he is still injured, and he has shed a lot of blood before, so the water in his body has also decreased a little, so his lips are particularly dry.

He stuck out his tongue, licked his chapped lips, and walked towards the source of the water.

The sound of water was getting louder and louder, and Li Zhen had never felt so eager for the moisture of water.

And the speed at which the air is moving is accelerating.

Ten minutes later, Li Zhen arrived at the end of the cave and was stunned.

But outside the cave, there is a wide and grand stalactite-type cave, according to his memory, it should be the size of the gymnasium of Nanjiang Deya Girls' School.

Underneath the cave was a river one zhang wide, with a turbulent current, tumbling white waves, heading towards a small black hole.

At one end of the river, there is a waterfall about ten feet high, and at the end of the waterfall is a black hole, and the huge water flow is rushed out of the hole and scattered in the air, forming a spectacular waterfall.

There is no doubt that this is an underground river, and it is only occasionally passing through here that it creates air currents, and the sound of water makes a trace of air flow in the tunnel.

Above the cave, there are countless milky white stalactites, exuding a soft light, reflecting the inside of the cave.

And the entrance of the cave where Li Zhen is standing now is five or six zhang high from the bottom, and the surrounding stone walls are smooth, and there is no place to start at all.

However, this does not mean that Li Zhen.

He took a deep breath and leaped down the plane, and made a not-so-beautiful arc in mid-air, landing steadily on the edge of the river.

Suddenly, his eyes flashed, and he suddenly threw himself into the river, and with one hand, a small silver-white fish of half a foot was in his hand.

On closer inspection, the fish has no eyes and no scales, and its whole body is soft and boneless, and it is extremely fishy.

Li Zhen knew that this thing was not a fish at all, but a sturgeon growing in the groundwater, not a poison.

Although the tentacles were extremely slippery, Li Zhen still did not discard them.

Now he was not only thirsty, but also hungry.

Therefore, he did not hesitate to eat the sturgeon alive.

When food enters the stomach, the body suddenly warms up.

A few more sips of the somewhat sweet river water refreshed his whole spirit.

He was thinking that this undercurrent must have a background to flowing underground.

The problem now was that he would not have been able to go out along the same path, for the abyss would have been filled with boulders or quicksand, and that the four walls of the cave had no other openings for him to explore, except for the two ends of the river and the passage from which he had just jumped.

The only way is to follow the river, either at the top of the river or at the bottom of the river.

After thinking about it for a long time, Li Zhen still went with the flow.

Because it's a little less effort-saving.

Then, taking a deep breath, he jumped into the river, endured the cold and squeezed his bones, and followed the current downstream.

Towards the end, he realized that the cave looked small, but underneath it was huge, and the water inside was flowing unhurriedly.

He held his breath again and swam downward.

Fortunately, he learned the Breath Gong and was in the water, and it didn't matter if he didn't have to breathe for a few hours.

The water hole was pitch black, without any light.

Moreover, from time to time, unknown objects touch Li Zhen's body, which is slippery and makes people shudder.

Li Zhen had no choice but to hold his luck, protect a few wounds, form a true qi mask, and let his body flow undercurrent.

In this way, even if you hit a stone or if some creature attacks you, you can still keep your body safe.

He looked around with clairvoyance, but it was still blurred.

Maybe it's because it's separated by a body of water.

After diving for a while, the speed of the current suddenly increased, and one after another whirlpools churned around him.

Because the tunnel is completely filled with water, there is no room for people to breathe.

If it were an ordinary person, in such a low temperature and such a hypoxic environment, it would definitely not last a few minutes, and he would die miserably.

The water is flowing faster and faster, as fast as if there is a machine pumping water in front of it.

Because it was too dark, Li Zhen couldn't see the reason at all, so he could only let the water flow with him to an unknown place.

Even, he began to sleep in the water.

It was originally a kind of exercise to practice masculine attributes, so in the face of the extreme cold in this water, Li Zhen did not feel any discomfort.

Suddenly, a loud bang came from the front.

Li Zhen opened his eyes and saw that it was a bright place, but before he could react, the whole person fell straight down from the cave.

Li Zhen was in mid-air, and as soon as he turned around, he broke away from the control of the water flow and fell to the ground lightly.

At first glance, this place is exactly the same as the previous cave, which is also a cave of stalactites.

It is also a river that runs through it, and then flows through underground tunnels to other places.

Looking around, there is no other passage at all.

Li Zhen understood, it turned out that this underground river was in this way, flowing between the stone milk under the ground.

He had no choice but to take a breath and dive into the underground river again.

I thought to myself, I knew this earlier, and I have been sinking into sleep, drifting around with the river.

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