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What happened on the ground, Jia Yan didn't care so much now.

He flies in the cave!

The buzzing sound is very noisy in a small space.

There were echoes all around.

"Where the hell does this cave lead? Why was the Siberian tiger able to extract the night liquid from the boiler just by that gap? ”

In Jia Yan's opinion, all this is still a mystery.

The cave where he was located was five or six meters high and seven or eight meters wide.

Jia Yan tried his best to keep flying at a distance of about three meters, which is the half-height of the cave, so that no matter where the attack came from all directions, he would have the best dodge route!

He felt that there was definitely some secret in this cave, or at the very front of the cave.

Otherwise, with only those rudimentary conditions of the Siberian Wild Tiger, it would be impossible to independently refine the night liquid that could make them mutate for the third time!

Jia Yan vaguely guessed that his biological entity that had undergone three mutations was definitely extremely rare, because it was extremely difficult every time it was three times!

Even he wondered, why those centipedes and the like could mutate successfully one by one?!

Even if it was only the first mutation, Jia Yan felt that it should be difficult for ordinary creatures to cross over. If he hadn't been born with self-training, and with the tenacity of a human soul, he might not have been able to walk the first time, how could those creatures with low intelligence have crossed this hurdle?

"That's not right! I missed a detail, that is, the mutant creatures I have seen are basically arthropods such as centipedes and worms, and the characteristics of this animal are much stronger than mosquitoes! Could this be the reason? ”

Jia Yan faintly clarified his thoughts.

He thought it was right!

Mosquitoes are insects of the order Diptera, and the creatures of the order Diptera are basically relatively weak, and so far, he has not seen any mosquitoes that have successfully mutated except himself.

Jia Yan is a unique one.

"If you think about it carefully, don't talk about Diptera, it seems that other flying creatures have not seen half of the mutations successful."

"That's right, the average flying creature has a relatively poor physique. It is also normal to not be able to mutate successfully. In this way, among flying insects, no matter how many accidents occur, it is very likely that I am the only one who mutates three times? ”

Jia Yan is very confident in his uniqueness, after all, he can survive three mutations, and the human soul has played too many roles.

"But what was that fiery red centipede? Could it be that it is also a mutant creature, and it can grow to more than two meters long, which simply cannot be described by common sense. ”

If converted into mutations, the average centipede wants to grow to more than two meters long, at least three mutations, otherwise it is impossible to have a body of this length.

Of course, the creatures in this cave may not be explained by mutation, maybe it is some ancient species that has been living here and evolved until now!

Jia Yan was still flying.

Some questions, the more I think about them, the clearer they become.

Including this cave, which has never known where it extends, Jia Yan also has a certain guess!

"If you want to provide such a huge centipede to survive, in front of this cave, it is likely that it is no longer what it looks like in front of you! And there will definitely be no shortage of creatures, otherwise according to the current appearance, the centipede will not be allowed to get the food necessary for its survival! ”

Centipedes are carnivorous creatures, and although they occasionally eat some tender grass and algae, they still prefer meat. Jia Yan believed that no matter how huge the centipede he saw before, it was unlikely to break away from the living habits of his own group, so it was likely to be a carnivore.

So such a huge carnivore, only a huge food source can make it possible for it to survive, otherwise it is impossible to survive.

So Jia Yan can be sure that in front of the cave, there is definitely a different scenery.

Even, it is possible that what will unfold before his eyes is a huge world of underground creatures!

Jia Yanfu's eyes were filled with a more fiery look of interest.

An unknown and complex world, it was really interesting, and it made him, who already loved zoology, full of interest.

If it were still a human being, just publishing that centipede would have been big news that shocked the world.

Of course, it's better now, Jia Yan feels that it's good to be alone and enjoy a secret!

Keep flying.

Just as Jia Yan flew past a stalactite, under the light of the glowing moss above his head, a little metallic reflective thing flashed slightly in the corner of the cave.

"What is this?"

Jia Yan flew over.

"Huh? Helmets, as if worn by soldiers. ”

On the ground, a rusty metal helmet refracted in the dim light.

Maybe it's been too old, and the helmet is half rotten.

"This helmet is rotten and it is estimated that it has been around for decades. Have humans ever been here before? That's right, since the factory of the Siberian Wild Tiger is connected here, it is normal for someone to come down from above. And what this helmet looks like, or is it an army? ”

Jia Yan thought of some bullet marks on the three buildings of the factory.

In that war-torn era, it was all too normal for anything to happen, and even if such a huge scientific discovery was made, it was possible to drown in the long river of history for some purpose.

Jia Yan continued to fly forward.

Next, the human objects scattered everywhere appeared in Jia Yan's eyes one by one.

These are basically soldiers' stuff, with highly rotten guns, and ammunition.

Jia Yan even saw a few snow-white bones!

Bai Sensen's looks very scary.

"It seems that it was not the actions of one or two soldiers who came here before, but the organized actions of some army." Jia Yan looked at everything in front of him, he was a little puzzled, how could so many soldiers die here, could it be that there was any danger that he hadn't discovered yet?

He was even more vigilant in his heart!

Flying a little further, he estimated that he was already in this cave, flying more than two hundred meters!

The cavern overhead is getting higher and higher, and the surroundings are getting more and more open.

Jia Yan felt that the bright green glowing algae around him were gradually flourishing.

Finally after he passed a pile of rubble.

The world in front of me suddenly opened up!

Sure enough, as Jia Yan expected, a new world appeared in front of him!

It's just that this new world is far more vast than he imagined!

The space above his head is at least twenty or thirty meters high, and the space around him is so wide that Jia Yan's vision is difficult to see the end!

And not far from him, a stream formed by the convergence of underground water is flowing slowly.

Countless glowing mosses that seem to bloom like flowers bloom at the top of the cavern, illuminating the space as if it were daylight!

Crash!

Just when Jia Yan looked at the surrounding scenery in horror, in the pool of water below his body, a burst of water suddenly burst into the sky!

A large fish about 50 centimeters in length jumped up from the water and shot towards Jia Yan in mid-air.

"What?"

Jia Yan's heart was startled, and his wings quickly flapped and moved from the original position!

The huge fish looked like some kind of grass carp, but it was really too big, more than fifty centimeters, and the fish's mouth was open, and it bit in mid-air towards the place where Jia Yan was before!

Fortunately, Jia Yan had already left that position, and the huge grass carp just splashed a canopy of water in the air, splashing Jia Yan to the ground.

And then it fell again.

"It can jump to a height of two meters, and this fish is too strong in jumping!"

Jia Yan strongly felt that the current height was not enough, but fortunately, the top space was also larger, so he hurriedly controlled his body and climbed towards the height.

When he looked back, he realized that the cave he came out of was just a cave in this vast space, and there were several similar caves nearby.

"The real underworld really exists!"

When Jia Yan thought of being a human being, he had watched a lot of science fiction movies about the underworld, as well as related novels and analyses.

Those analyses prove that it is possible for the Underworld to really exist, and there will be no shortage of them!

It's just that the scale can't be as vast as that depicted in a novel or a science fiction movie!

Now this space is obviously one of these underground worlds.

"It's huge, estimated to be more than five kilometers long and wide! In addition, there are some small caves connected to this place, and the total area adds up to a very large area. ”

Jia Yan relied on his three mutated sights, tried his best to feel the light of the glowing algae in the distance, and slightly judged the size of this huge space!

And there are many plants that do not depend on sunlight to grow, but on water and the high concentration of oxygen in the surrounding area.

It seems that over the course of many years of evolution, a unique ecosystem has been formed!

To be continued. I can't adjust my mentality today, so this chapter was released so late at noon. And another blow is that today there is no site short for next week's website recommendation slot at all! No wonder when he asked about the editor's results this morning, his tone was not very right, and he probably didn't think he was very optimistic, so he didn't give it a recommendation......

Alas, in fact, the collection of this book is not very bad. Two recommendations down, up more than 3,000 collections, a total of more than 4,200 collections, is it possible that a newcomer has to be like the god of 11,000 to be qualified? The author who signed at the same time as me.,Worse than my grades.,I recommend it next week.,It's estimated that this is a step over the character is too poor.,This week has entangled the editor too many times.,Alas.。

Well, thanks to the strong support of the brothers who laughed and cried and forgot, they rewarded 1888 starting coins. Thanks to the "Funeral Committee", "878kh", "Helpless Dream Man", "Mengying Luoluo", "Speechless Looking at Ge Cangtian", "Registered", "Brahma Covering the Earth" book friends for the reward! Buyue hereby promises that this book will definitely not be a eunuch! I'm sorry for not writing millions of words!! Will definitely stick to it!!

I hope you can continue to support Buyue, thank you!!