As the light source turned off, the entire underground cavity returned to absolute darkness.

The silence of a dead place, the faint sound of water droplets falling was gradually becoming clear, and the heart was beating slowly in the chest, as if it was merging with everything around it.

At this moment, Bai Ning seemed to silently dissolve into this endless dark void.

Quiet.

Quiescence.

Silent for a long time.

The dead silence seems to make people forget time.

As for the sudden appearance of light, it is no longer the morning star that guides people's direction, this is a newborn sunrise.

At this moment, it seems that this place has become a contest of patience, the enemy does not move, I do not move, either we are trapped here, or we leave here restlessly.

As time passed, Bai Ning was still silent as if he had fallen asleep completely.

Suddenly, a beam of light suddenly lit up not far away, and then rushed away in a predetermined direction.

This kind of drastic behavior is not at all like wearing a rubber diving suit and carrying twenty or thirty pounds of oxygen cylinders.

Have you quietly taken off all your equipment, and then want to use this short-term physical advantage to completely shake off the pursuers behind you?

Bai Ning raised his eyes, but found that something seemed wrong.

The pillar of light of the flashlight was not like this, the mass that was rushing forward was more like the trail left by a fireball in the air.

As if confirming Bai Ning's prediction, a large number of ghost fires suddenly burst out in the entire underground cavity, and began to float around rapidly like a mad demon.

All of a sudden, the entire underground cavity suddenly became a ghostly catacomb.

Some bright yellow ghost fires even rushed towards Bai Ning's side, as if they were going to welcome Bai Ning, a distinguished guest from afar.

For this sudden strange phenomenon, if you want to explain it from the perspective of the bearded captain, it is that he wants to take advantage of the chaos to leave, so as to completely get rid of Bai Ning's follow-up.

But if we interpret it from the perspective of supernatural phenomena, the current phenomenon of ghost fire carnival represents a kind of unknown and dangerous rapid arrival.

Whatever the situation, the current situation does not allow Bai Ning to hesitate in the slightest.

Lying on top of the boulder, Bai Ning used a strong flashlight to violently illuminate the bright yellow fireball that rushed over.

The clash of light and light is like a brilliant fireworks display, and the splash of sparks makes the nature of the flame even more complicated.

What is the principle of a ball of fire that explodes when it encounters light?

Glancing at the yellow sparks that flickered across a nearby boulder, they all looked like some unknown fluorescent creature.

Could it be that in this underground cavity, there are still some unknown ancient and dangerous creatures?

Some small bugs that can spontaneously combust?

In nature, some gas beetles can produce high-temperature explosive gases by secreting hydroquinone and hydrogen peroxide.

Even if there is a luminous insect such as a firefly, it can only emit cold light.

Can a special insect like this, which combines explosion and light, really exist in such a submarine cave with no source of nutrients?

Before he had time to think about it, Bai Ning suddenly swept the bright flashlight onto the other light balls that wanted to get closer, and several silent explosions followed.

All of a sudden, the entire small area was filled with starlight.

Beauty also reveals absolute danger.

No one knew what kind of harm these explosive insects would do to the human body, and Bai Ning didn't want to recklessly use his body to make some meaningless attempts.

At this point, he couldn't care too much, quickly removed the oxygen cylinder, and ran towards the place where there might be an exit.

To say that it is possible, and to guess is also possible, in fact, it is gambling on life.

Fortunately, under the stimulation of the bright flashlight, these special insects flying in groups will not get too close.

Maybe it was the favor of the heavens, or maybe there were already caves here, and there was really a tunnel entrance at the end of Bai Ning's escape.

In the case of no avoidance, and regardless of whether the tunnel in front of him was the correct path or not, Bai Ning was short and went straight into it.

Those bright yellow flying insects seemed to be able to move only in the underground cavity before, and ran a few steps forward, but did not find any flying insects following, and Bai Ning gradually slowed down.

After a few sharp breaths, the air was still turbid, and after strenuous exercise, the dizziness was even more obvious.

The physical discomfort has worsened, and now the opportunity to follow the bearded captain has been lost due to a sudden attack by an unknown insect, and the future trend has been buried in unpredictable directions.

Adjust the breathing rhythm as much as possible, while the body is relaxing, Bai Ning is also further reducing his overall oxygen consumption intensity.

After everything was ready, Bai Ning walked back directly, and came to the mouth of the tunnel in the underground cavity before.

I don't know if it was disturbed by something, at this time, the bright yellow light cluster in the underground cavity was more dense, and some light spots scattered for unknown reasons made this underground cavity seem to be shrouded in a brilliant yellow shimmer.

Dangerous and beautiful swarms, no one knows what happens when they are surrounded.

But in the current harsh environment in this cavity, the only outcome of the attack is that there are no bones left.

This sudden situation may have been caused by natural occurrence, or it may have been triggered by special means by the bearded captain.

No matter which one it is, Bai Ning can't go back this way.

Bai Ning, who was in a calm mood because of pranayama, took one last look at this dangerous underground cavity, and then turned around and left silently.

The tunnel was still downward, about a hundred or two hundred meters forward, and a thick stream of water vapor suddenly drifted over.

It smells like living water.

This is very strange, all along, Bai Ning has experienced some sealed dead places, and even the air seems extremely turbid.

If there is a body of flowing water in an underground cavity somewhere ahead, the accumulated carbon dioxide here should dissolve into the seawater and be carried away by the undercurrent.

The distance of dozens of meters was fleeting, and faintly, Bai Ning seemed to be able to hear the crisp sound of the waves crashing against the rocks.

Is there really a huge flowing lake in this cavity of the seabed?

Continuing to walk forward quickly, the damp water vapor seemed to have wet Bai Ning's face, and this feeling was as if he was walking quickly in the hazy drizzle.

The pillar of light suddenly opened up, and a space larger than the previous underground cavity appeared in front of Bai Ning.

The sound of the tide hitting the rocks is more crisp and obvious, and the air is so humid that it seems that you can pinch out a handful of water with a grab.

The pillar of light swept quickly, and not far away was a huge lake, in which the white waves rolled, as if you had come to the seaside when the autumn was getting cooler.

There is no violent disturbance of the air currents here, it is clear that there is a raging undercurrent at the bottom of the lake, pushing the sea to constantly wash everything it can cover.

Considering the small puddle in the first underground cavity, and the downward extension of the tunnel before, perhaps at high tide or when the wind and waves in the Bohai Bay are high, a large amount of water will rush out and submerge the first underground cavity.

It can be seen that the previous mysterious insects may also be special species of amphibians.

Like this highly aggressive insect that can explode, emit light, fly, and amphibious, each of these traits is a high-energy-consuming trait, and even if it is a small insect with low overall energy consumption, it is difficult to survive in natural selection.

As a result, Bai Ning is more willing to believe that they are genetic organisms inherited from some ancient times.

If a very obvious man-made attribute is suddenly added to this underground cavity, then the probability of the existence of ancient ruins here will be very high.

Considering the possible similarities between the dried fruit and the dragon, it may be that the dragon was also the focus of some ancient civilizations.

Considering the mysterious submarine crypt that I have experienced before, this dragon's lair may really be an ancient relic inherited from an unknown civilization.

Perhaps, you can really find some clues related to the dried fruit in this dragon's lair.

This area that could rise at any time was very dangerous, and Bai Ning walked around the lake quickly, only to find that it seemed to be a confined space.

In other words, the only way out is the undercurrent at the bottom of this lake.

If there is no other way to leave in the cavity of the first place, then this is the only way out of the Dragon's Lair.

This situation has also given rise to a very serious topic:

Bai Ning had to return to the first underground cavity and take out the oxygen cylinder he had left behind.

Now where is still in the stage of insect riots, Bai Ning may also be sent to death if he goes.

Do we need to wait for a chance for the rising tide to return to the first underground cavity with the rising current?

This kind of thinking may be able to easily return to the previous underground cavity, but if you want to return with the turbulent undercurrent, the physical strength consumed is very likely to be within Bai Ning's tolerance.

Moreover, Bai Ning didn't have much oxygen, and if the two were combined, he would really drown in the turbulent undercurrent.

The lesser of two evils, the only way out at present seems to be to risk returning to the previous underground cavity and taking the risk of retrieving the oxygen cylinder.

Just for a moment, Bai Ning neatly returned to the previous underground cavity.

After this period of calmness, the number of flying insects in the underground cavity became much thinner.

A large number of flying insects stop in an unknown place, or the random glance of the light source, will awaken this unexpected nightmare.

Suddenly, this underground cavity gives people the feeling of walking on thin ice.

Further holding his breath, he covered the strong light flashlight with his palm, and the strong light became extremely weak through his palm, with the help of this glimmer, according to his previous memory of the location here, Bai Ning slowly groped forward step by step.