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A drop of water dripped from the stalactite and fell into a pool of water on the ground.

“…… Where is this?"

Mo Ren, who opened his eyes, sat up from the ground and looked around with some confusion.

This seems to be a large underground cave structure, and there seem to be some fluorescent moss growing on the stone walls and the roof of the cave, so that he can see the surrounding scene clearly even if he does not open his mental vision, and some water droplets continue to seep down from the stone stalactites and drip onto the pool on the ground, bringing a sense of coldness.

After sitting for a while, Mo Ren slowly stood up from the ground, perhaps because the injuries caused to him by the infrasound waves had not yet completely healed, Mo Ren felt that he was still a little dizzy and nauseous.

"I think I should have run away from the Cerberus. Mo Ren recalled the last scene before he lost consciousness, and then looked around: "That Cerberus guy said the key to the dungeon at the end, so this should be the so-called dungeon?"

Although there are some mosses that can emit fluorescence, the light here is still too weak to see the distant environment clearly, Mo Ren directly closed one eye and let himself enter the perspective of the mind.

The telepathic perspective itself is immune to darkness, and as Mo Ren's eyesight becomes stronger and stronger, the observation range of the telepathic perspective itself has also increased significantly, and with a certain degree of perspective, Mo Ren can see everything around him almost just by glancing at it.

The entire underground cave structure seems to be completely sealed, Mo Ren didn't see any exit in his observation just now, except for a stone door at the bottom of the cave, there is only a rectangular box next to a gate, and in addition, in the entire underground cave, not to mention animals, not even a single insect does not exist, there is nothing that can be linked to the word "underground palace" at all.

Because the cave itself didn't have any other exit, Mo Ren also chose to walk towards the area where the stone gate was located after thinking for a short time.

And when he was on the sea before, a ray from the hellhound seriously injured Mo Ren's hands and feet, so now he can't walk fast, and he can only move forward little by little with the help of telekinesis, but fortunately, when he was unconscious before, his telekinesis has recovered a lot, and now it's no problem to casually support his body.

When passing by a waterhole, Mo Ren picked up a ball of water with his mental strength, and after a few sips, he washed his face by the way.

The infrasound waves released by the Cerberus before were very terrifying, and the resonance of this special frequency even caused serious damage to Mo Ren's internal organs, but fortunately, his body's self-healing ability was relatively strong, so he survived, but even so, Mo Ren could still feel the feeling of dizziness and nausea, and it was not until now that he washed his face with a cool stream of water, which was somewhat comfortable.

"Hoo ......"

After washing his face, Mo Ren didn't wipe the water droplets off his face, but walked directly towards the lower level of the cave.

This karst cave is not as big as imagined, and when it is difficult for Mo Ren to walk, he only walked for more than ten minutes to the bottom of the cave, and saw the huge stone door of more than five meters, and a rectangular box that looked like a sarcophagus on the side.

When Mo Ren walked near this gate, he suddenly frowned.

"Huh?"

Mo Ren's right eye looked at the door with some confusion, only to see that the door was carved with many strange patterns, there were all kinds of lifelike strange insects, as well as various plant patterns, these plants and strange insects were all around a drop-shaped creature with a huge mouth, the strange creature was inlaid with six purple gems on both sides of the head, and the purple light looked as if it was coveting all the good things in the world under the reflection of the glowing moss.

However, Mo Ren's concern was not how delicate the relief on this stone door was.

In fact, Mo Ren cared about the thickness of this stone door, because Mo Ren found that his mental perspective could not penetrate this door at all.

Even if it is a thick plate made of pure lead, Mo Ren can easily see through the perspective of his mind, but in front of this mysterious door, his mind vision has no effect at all, which makes Mo Ren a little puzzled.

According to past experience, unless the thickness of this stone door is more than a few meters, it is impossible for this stone door to isolate the perspective of the mind.

However, a stone door with a thickness of several meters is not realistic, after all, the height of this door is only five meters, and if the thickness exceeds this value, then it can hardly be opened.

[Either it contains materials that isolate perspective, or it itself is a structure similar to another space.] 】

Mo Ren tentatively stretched out his hand and touched the stone door, and secretly judged this stone door in his heart, although there were not many people who had the ability to contact him in the past two months, but through the communication with Ruoshui and others, Mo Ren also knew many things that he didn't know before, and it was understandable for things like other spaces.

After observing the stone gate for a while, Mo Ren shifted his gaze to the sarcophagus on the side.

The sarcophagus looked like it was made of pure black stone, with a strange metal-like texture on the surface, and Mo Ren tried to look at it with the telepathic perspective of his left eye, and found that this sarcophagus really could not be seen through.

Unlike the stone door, however, the sarcophagus appears to have been carved with a few small lines of text on its surface.

"Huh?"

Mo Ren took a closer look at the words and found that they were a very strange structure, as if they were alive, constantly twisting different patterns all the time, but the strange thing was that even then he was able to read them, as if the characters directly transmitted the meaning to his own head.

And according to the meaning described on these lines of font, Mo Ren also understood some information about this underground palace.

Regarding the name and introduction of the dungeon, there is no clear explanation and explanation here, in fact, these lines are just a brief introduction to some of the rules of the dungeon.

According to these lines, this is a different space deliberately created by some kind of being, which is full of opportunities and dangers.

This mysterious dungeon has a total of one hundred and eight keys, and to enter the dungeon must hold at least one key, as for the method of entry sounds a little weird, every once in a while, when the surface of the key begins to fill with a strange luster, pick a full moon night, find the moonlight can shine to the place, jump down from a place more than 100 meters above the ground with the key, you can activate the energy field of the key, and be teleported into this dungeon.

"I see......"

Seeing this, Mo Ren's eyes also flashed a trace of understanding, no wonder the mysterious old man told him that he wanted to fly above a hundred meters, and he had to shine on the moonlight, thinking that the other party should have known the entry conditions of the dungeon for a long time.

But who is the identity of that mysterious old man, and why would he help himself?

Frowning slightly, Mo Ren temporarily suppressed his doubts in his heart, and began to continue to look at the few lines of text.

After entering the dungeon, these lines of text introduce the ways to obtain various opportunities inside the dungeon, which are called dungeon vaults, or secret treasures, and this kind of dungeon vaults are generally hidden in the sarcophagus.

This kind of secret treasure is actually divided into levels, according to a few lines of textual introduction, this kind of secret treasure is divided into six levels, but the level does not affect the appearance of the sarcophagus, in fact, the appearance of each sarcophagus is different, the only thing that can be seen is the level of the key jack on the outside of the sarcophagus, the lowest level of the secret treasure only needs one key to open, the second level needs three keys, the third level needs nine, the fourth level needs twenty-seven, the fifth level needs eighty-one, and the last level of secret protection, can only be opened with all the keys。

And if you want to obtain this kind of secret treasure, you must also get the corresponding test.

When you open a sarcophagus, you can choose to take the vault or exchange it for an equivalent vault.

In this case, if the equivalent vault is exchanged, no mechanism will be triggered.

And if you choose to take the secret treasure directly inside, but you don't put anything equivalent into it, then the corresponding mechanism will be activated, and the higher the level of the secret cache, the more powerful the mechanism will be triggered, these traps may be terrible traps, or they may be terrifying creatures that choose people to eat, in short, only by overcoming these tests, can you successfully take away the secret treasures in the dungeon.

There are many types of these secret treasures, including the secret books of the ancient martial arts, various instruments with ability characteristics, ultra-modern scientific and technological drawings, and even potions that can change one's own physique and even bloodline, and what can be obtained can only depend on personal luck.

A key can only open a maximum of one sarcophagus, and after opening the sarcophagus, if there are no other keys, then you will be expelled from the dungeon after a few minutes.

That's all there is to it in these lines.

For words, the amount of information contained seems to be a bit large, but when it comes to this kind of text, it doesn't look like a mortal thing, so Mo Ren is not incomprehensible.

"You can actually replace ...... at the same price"

After reading these few lines of text, a rare trace of surprise flashed in Mo Ren's eyes, and he saw him dig a little in his arms, and then took out a black secret book.

This is a secret book that Mo Ren came out of Zhou Jiashun, it is said that those who cultivate will become crazy, but Mo Ren overheard the conversation between Zhou Hong and Zhou Qiliang, and found that this thing was actually brought out from this underground palace, and according to the rules recorded in the previous text, if you want to carry out equivalent substitution, you must either take out other things that are equivalent to the equivalent, or you must take another secret treasure, although a secret book that cannot be cultivated at all seems worthless here in Mo Ren, but the underground palace itself does not think so, so there is nothing more fortunate than this。

However, Mo Ren did not open this sarcophagus in the first place.

According to the previous text, once the sarcophagus is opened, it will not be long before he will be transferred out of the sarcophagus, and Mo Ren does not know where the specific location of the transfer is, if it is still on the sea, then he has a certain chance of being caught by the squatting Cerberus, so Mo Ren decided to wait a few days before talking.

So in this way, Mo Ren stayed in this cave for three days, lying on the ground every day with his eyes closed and hibernating, with some water to maintain the minimum consumption of his body.

Three days later, Mo Ren judged that Cerberus should have left, so he slowly got up from the ground.

Under the guidance of telekinesis, the key flew directly into the small hole in the sarcophagus.

"Click. ”

With a crisp sound, the lid on the surface of the sarcophagus began to slide slowly.

This sliding is not a harsh or dry grinding sound as depicted in the movie or animation, in fact, the entire sarcophagus sliding process is silent, and it doesn't take long for the entire sarcophagus lid to slide to the side, revealing the scene inside.

Mo Ren looked up and looked inside, only to find a book lying quietly inside.

“…… Is it the Mystical Archive again?"

Reaching out and taking out the book in the sarcophagus, Mo Ren also didn't know what to say, so in the end, he could only put the black secret book in his hand in the same position, and quietly watched the black sarcophagus slowly close again.

"Didn't you say that those with abilities can't cultivate the Secret Codex?"

Mo Ren quietly looked at the secret book in his hand, his brows were somewhat wrinkled, he originally wanted to get a tool, but he never thought that he would draw another secret book, and according to the conclusion that those with ability cannot cultivate the secret book, this thing is eighty percent of his own use.

But after all, this is also a free thing, and after shaking his head, Mo Ren still tentatively looked through this secret book.

This secret book is written in the same font as the sarcophagus, and is called "Delusional Extreme Intentions".

Mo Ren had just turned the first page, and he saw eight big golden characters written in the center of the first page, and the eight big characters were constantly changing, giving Mo Ren an extremely arrogant and confident feeling:

What the heart thinks, the most delusional!

Without seeing anything from this, Mo Ren began to try to turn the second page.

The second page is much more than the first page, and it can be seen that the author of this secret book is very careful to introduce this secret book.

Mo Ren quickly scanned the above content and found that the degree of freedom of this secret book is extremely large, and cultivators can even rely on their own imagination to create various tricks, and every time they break through a level, they can create all kinds of new and strange tricks, which can be said to have completely broken through Mo Ren's understanding of the secret codex.

And among them, what Moren cares about the most is the last sentence on the second page.

Everyone, can be delusional!