The passage is long, long...... After half an hour of walking, the air began to thin out.

"We're not going to go to the sky, are we?"

Huang Shanshan was puzzled.

"It's also possible to get to the underworld. ”

Zheng Qilin said.

"yes. ”

Huang Shanshan thought about it for a while and felt that it was right.

The two of them kept walking in, walking and walking...... The air is getting thinner.

Huang Shanshan began to be affected.

Zheng Qilin had little impact, breathing as usual, and his blood oxygen was balanced.

Another half hour passed, and the air was getting thinner and thinner, and the temperature was getting hotter.

"It's going to the center of the earth, and if you go to the sky, the temperature is getting lower and lower. ”

Huang Shanshan said.

"Looks like it should be. ”

Zheng Qilin said.

"There seems to be a volcano up ahead, we can't be to the center of the earth. ”

Huang Shanshan spoke with difficulty, her current cultivation is quite good, but at this time, she is also very uncomfortable, the brain oxygen supply is seriously insufficient, and she may fall down at any time.

Zheng Qilin's mind had already seen the flowing magma water, so the further forward he went, the thinner the oxygen would definitely become. And now the temperature has exceeded an astonishing fifty degrees Celsius, Huang Shanshan is sweating profusely, and she will soon be dehydrated, and even if she goes forward, it is useless to bring water, because it is completely boiling, and she cannot drink it at all.

Zheng Qilin said: "You go back, I will continue to explore alone." ”

Huang Shanshan was just about to speak, but Zheng Qilin stopped: "Don't make excuses, don't worry, not only am I not suffocating, but I also don't seem to feel the heat." ”

This high temperature of 60 degrees Celsius, Zheng Qilin would have been completely unable to do it before, not only suffered from heat stroke, but even hung up.

But now he is still very comfortable, and his whole body seems to be in a constant state of temperature. After all, the chaotic world in the palm space of the hand is not covered, and the immortal book in the mind is not covered.

"Alright then, I'll wait for you outside. ”

Huang Shanshan didn't dare to hold on.

Then, Zheng Qilin moved on.

Continue deeper along the special passages, where the air is thinner and the temperature is getting hotter and hotter.

In the end, it had exceeded 100 degrees Celsius, but Zheng Qilin was still at it, because the Qilin Holy Fire Recipe he had just learned was a spell of playing with fire, even if the temperature was higher than this, it would not be in his mouth, and as for the lack of oxygen suffocation, it did not exist, and the oxygen in the palm space was enough for him to breathe for a lifetime.

The only thing that is a little unbearable is physical strength, this thing can't be replenished quickly, and after walking so much, he is already a little tired.

Soon, Zheng Qilin came to the place where the magma flowed on the ground.

The passage was originally a seamless tunnel, but this section is broken, and lava is pouring in from the rupture here.

As a result, the temperature here is too high for ordinary creatures to pass.

Zheng Qilin walked over without any obstacles, deep, deep, and deeper.

Next, the damage to the passage became more and more severe, and the ground was full of magma, and in some places the magma was like a fountain, spewing out from the place where it was broken.

The air is completely gone, the temperature has reached several hundred degrees, and what is even more speechless is that from time to time some energy comes out to form powerful shock waves, these shock waves are super powerful, and can easily tear ordinary creatures apart and turn them into powder.

Even Zheng Qilin, who is plugged all over his body, must be careful to dodge.

Zheng Qilin continued to go deeper, deeper, deeper, and walked a few more kilometers along the passage, finally exhausted.

It's almost time to go back, and if you go any deeper, your stamina will be completely exhausted, and that's when you'll be in trouble.

There seemed to be no end in sight to the passage in front of me, and at the most critical moment, it was full of red-hot magma.

"Why don't you go any further?"

Zheng Qilin was a little unwilling.

After walking some distance further, there was still nothing.

"Or magma? It can really spray! I can't believe it!"

Zheng Qilin walked forward for a few more kilometers like this, and suddenly ...... A door of light appeared in front of him.

"It's the end!haha!"

He was overjoyed, and if there was a light gate, it meant that the passage was over.

This time, Zheng Qilin was not careful, without saying a word, and rushed directly into the light gate.

"...... Uproar"

He was completely stunned, where is this?

This is a vast space, like a large secret world, and in front of it is a huge square, densely packed with kneeling people, countless.

What shocked him was ......

These people were all fossils, and they were kneeling on the ground with painful and desperate faces...... More than tens of thousands of people kneel here. These people include ordinary ancient humans, monks in robes, human armies, men, women, old people and children......

All became fossils, not only bodies, clothes, shoes, weapons......

Shock!

Zheng Qilin saw so many people for the first time since he was a child...... Still kneeling neatly in the square.

It's like the terracotta warriors and horses of the Qin Tomb...... But the terracotta warriors and horses are all fired pottery figures, but these are all fossils of big living people!

Zheng Qilin then looked at the palace at the end of the square.

It was a huge palace...... There are faint wisps of fairy mist surrounding.

"There's a treasure, go and take a look!"

Walk through the square to the main hall.

It's a bit of a permeable feeling, because they're all fossils, like terracotta warriors, and you alone can move, and it feels like everyone's eyes are on you.

Quickly passing through the crowd, Zheng Qilin came to the main hall in the center of this square. The inside of the hall is very large, but it is empty, there is nothing, only a mysterious jade coffin.

"Coffins, what is this?"

Zheng Qilin remembered the jade coffin he met in the underground tomb when he went to Fengxian County, and there was a woman who was captivating the country and the city, and she said that her name was Daji.

In the end, this Daji was injured and turned back into a little fox, and has remained in the palm of her hand to this day. In addition to the fox, there is also a Xuanwu Divine Beast, which is also in the palm of his hand.

Who will be the person inside this jade coffin this time? Won't it be another legendary figure?

Zheng Qilin tried to check what was inside the jade coffin with his mind, but found nothing.

Then it's time to open it. He saw a handprint, and there was still a wrench ring on this handprint, as if it was exactly the same size as the wrench that Zheng Qilin had just made.

Zheng Qilin instinctively put his hand on this mudra.

"Boom ......"

This coffin was opened.

Zheng Qilin was slightly startled.

There was also an old man with fairy wind bones lying here, this old man was wearing a gray robe and holding a jade ring in both hands. The old man was also fossilized, but the jade ring he was holding in his hand was not petrified.

With the previous experience, Zheng Qilin no longer tossed, and went directly to take this jade ring, sure enough, this jade ring can be moved, but what I don't understand is that this jade ring is too heavy, at least a few hundred catties, Zheng Qilin took a lot of effort to take it off, and held it in his hand to see if there was any reaction, quietly, without any reaction, Zheng Qilin did not waste much time, and directly put it into the palm space.

As he was about to turn away, he was pleasantly surprised to find that the old man had a small yellowed scroll pressed under him. There was no petrification on this scroll.

"Cultivating immortal spells?"

Zheng Qilin swallowed his saliva, tried to pull it out, and easily pulled it out.

I opened it slowly with excitement, and I was stunned when I opened it......

There is actually a mysterious starry sky map on it......

"Big Dipper, South Pole...... Cassiopeia...... Orion ......"

Zheng Qilin recognized it.

"What the hell is this......

Zheng Qilin was confused, and for a while, he couldn't figure it out. After reading it carefully for a long time, he didn't understand it, so he also put the scroll into the palm space, and then put his palm on the handprint on the surface of the jade coffin.

"Boom ......"

This huge jade coffin was closed.

......

Next, Zheng Qilin continued to explore the remains of this ancient square.

Except for tens of thousands of human fossils, there is almost nothing. He tried to slash with his sword a few times, but it didn't split, and the fossils were indestructible.

"What about the Demon Realm? Isn't it the Demon Realm? Is this the Demon Realm? It doesn't look like it......

Zheng Qilin was puzzled. Continuing to observe, I found that the expressions of these tens of thousands of people were the same. Hopeless and helpless......

This feeling is like suddenly encountering some kind of irresistible force that destroys the world, and it is powerless to resist at all, and it becomes a fossil in an instant and forever.

He checked it with his mind, these human cultivators all looked very powerful, but in the end, they were completely destroyed, what kind of power made them destroy? Could it be that the ultimate boss of the demon world made a move?

A war between the human world and the demon world?

Zheng Qilin thought for a long time......

"It was a long time ago, I think what do you do?"

Zheng Qilin muttered. Begin to carefully explore every corner of this huge square. I didn't think there would be anything to gain, but I accidentally found a secret door in a sewer, and after pushing the secret door open, a deep staircase passage appeared.

"It's really a mountain and a water, and there is no way out, and the willows and flowers are bright and another village!"

Zheng Qilin sighed with emotion, and walked down cautiously, deep, deep, and deep again.

After going deep for more than ten minutes, it was finally over, Zheng Qilin was completely stunned, there was an abyss in front of him, there was no bottom, and there was no top.

Jumping here will be to the demon world?

Zheng Qilin's eyes widened and he began to observe this abyss, which was more than 10,000 meters in diameter......

The surrounding cliffs are densely packed with countless holes, each of which is more than a few tens of meters, looking like an enlarged version of a bat's nest...

"And the road?"

Zheng Qilin's eyes widened...... He found that there was a looping path on the cliff face of the abyss, spiraling from the bottom of the cliff to the top of the cliff......

It's a bit of a huge project.

"Longmen Grottoes? There won't be a Buddha statue in every grotto...... Or there are countless rare elixirs hidden inside...... The secret of cultivating the truth?"

Zheng Qilin began to explore these caves along the stone path with trepidation.

I was shocked when I entered the first cave.

This is indeed a nest, and it is the nest of a large creature, not a Buddha cave.

Although the light inside the cave was not very bright, Zheng Qilin could see it clearly, and on the ground in front of him, the skeleton of a special flying creature with a length of more than ten meters and a wingspan of more than twenty meters was quietly placed on the ground.

"Creatures of the Demon Realm?"

Zheng Qilin was nervous and excited...... It is impossible for such a large biological skeleton to exist in the human world today.

"This is indeed a transition zone between the demon world and the people!"

Zheng Qilin muttered to himself.

Then he explored the next lair, during which he didn't find any elixir magic weapon cultivation secrets, but he encountered some rare herbs and unceremoniously transplanted them into the palm space.

More than ten minutes passed...... He's wandered around several caves. Got a result. Many of these nests have bones, but some of them are empty and have traces of movement, what does this mean?

It means that these mysterious monsters are not dead!

If only I could catch one, even if there is an egg, it can hatch......

After Zheng Qilin explored for more than ten minutes, he didn't find half an egg, most of the nests were empty, and a small part of the nests had a skeleton lying inside, which had become a fossil.

Zheng Qilin decided to stop after exploring this lair, give up immediately, and return to the surface.

Everything can be done in moderation, I've already got a lot of things, and if I continue to investigate, if I can't come back to the demon world, the game will be over......

Although I thought this in my heart, I couldn't help but be curious, so I continued to explore...... The lair that came to the end was bottomless. Deep, deep, and deep to the end of this cave.

I saw a small pool......

The cold water in the pool is overwhelming......

Just as Zheng Qilin cautiously walked to the side, ready to use his mind to check if there were any creatures in this pool......

And yet the next second!

"Whew......"

A huge shadow suddenly rushed up, opened its big mouth like lightning, and swallowed Zheng Qilin into his stomach.

Zheng Qilin was eaten again like this.

The last time he ate it was when he entered the copper bell space, and a fish swallowed the copper bell into his stomach. And this time, it was eaten directly into the stomach......

Confused......

Zheng Qilin, who was eaten into his stomach, didn't react for a while......

Before he could see the monster clearly, it was eaten...... Will it be digested?

Because whether it is a monster or an ordinary creature, there will be gastric juice, and the gastric juice will break down what is swallowed into the stomach.

As a result, Zheng Qilin was more worried......

The monster's stomach was completely empty, and there was nothing but him.

No wonder the monster swallowed him so quickly, he must have been extremely hungry...... As soon as he saw Zheng Qilin, he immediately preyed on it no matter what the situation was.

It's too hungry to eat......

Zheng Qilin muttered.

At this time, stomach acid began to appear in the stomach of this monster, with a strong corrosiveness, which was expected by Zheng Qilin.

After all, this monster is a living creature, and like humans and other ordinary creatures, what it eats needs to be digested.

A sour smell appears...... To digest his body.

Zheng Qilin covered his nose, thinking that he had to leave this ghost place, and he couldn't be dragged out after being digested by it.

At this moment, the jade wrench on Zheng Qilin's thumb suddenly lit up, releasing a mysterious energy......

"Smack......

This energy struck the stomach of this ancient beast, and in an instant, its stomach pouch contracted.

"Ahh......h

"Whoosh......"

Zheng Qilin's countless streams of water were directly sprayed out, really like a powerful fountain, directly shot out dozens of meters away, and fell back into the water.