The underground passage is narrow and long, every few tens of meters, there is a light source on the walls on both sides of the underground passage, walking in such a passage, the sound of the footsteps will echo in the passage, spread far away, which makes the passage seem more silent.

Just like the underground tunnel of the Sword Mountain Fortress, entering from the entrance, several checkpoints have been passed in the middle, and Wang Wuyun entered the most secret place of the Sword Mountain Fortress under the escort of the black flag order "Uncle Dao" of the Sword Mountain Fortress.

At the end of the passage is where the Thousand Holy Caves are located.

"This Thousand Holy Caves is different from ordinary places, although many people who enter the Thousand Holy Caves have encountered great opportunities in the Thousand Holy Caves, but not everyone who has always entered the Thousand Holy Caves can come out alive......" When he said this, Uncle Dao's pair of thick eyebrows frowned tightly, and the pair of tiger eyes under the thick eyebrows were extremely serious, obviously not joking.

Wang Wuyun nodded, " Thank you Uncle Dao for reminding me, I have heard Weiyang and Grandpa say that in the past hundred years, there have been 1,691 people who have entered the Thousand Holy Caves, and there are thirty-seven who have entered and not come out in the end, and according to the descriptions of the people who have entered the Thousand Holy Caves, what everyone has encountered in the Thousand Holy Caves, what they have seen, what they have experienced, everything is strange, almost nothing is the same, some people have even gone to other planets and galaxies through these Thousand Holy Caves, some people have entered the lair of demon beasts through this Thousand Holy Caves, and some have fought with all kinds of strange creatures in these Thousand Holy Caves......“

Uncle Dao said in a deep voice as he walked, "Yes, the strangeness of this Thousand Holy Grottoes is here, on the one hand, it is an independent time and space like a natural secret realm, and on the other hand, this Thousand Holy Grottoes seems to be connected with all the spaces, it is indeed strange and unpredictable, you have to be more careful, if you encounter anything difficult, don't be reluctant, stay in the green mountains without worrying about no firewood, as long as people live, there will be many opportunities in the future, the Xuanyuan family will not lack opportunities, no need to fight with their lives!"

The Xuanyuan family will not lack opportunities!

In this way, before coming, Xuanyuan Weiyang and Xuanyuan Qianqiu both said to Wang Wuyun that the Xuanyuan family did have the confidence to say this.

Wang Wuyin once again expressed his gratitude to Uncle Dao.

In the echo of long footsteps, the two of them chatted, and after walking for thousands of meters in the narrow underground passage, a huge portal with golden light flashed at the end of the passage, the huge portal was more than twenty meters high, and all kinds of runes flashed on the portal, and two teams of powerful warriors wearing black armor were stationed on both sides of the portal.

Those armor guards, the aura on their bodies, the lowest is the earl realm, and the highest, like Uncle Dao, are all duke-level powerhouses.

"By the order of all the ruling elders, Earl Boundless of the Golden Crown has been brought and allowed to enter the Thousand Holy Caves to practice for twenty days, please let him go!" Uncle Dao, who came here, took out a token and paperwork from his body and handed it to a person stationed here who was wrapped in armor all over his body.

The man was wearing a helmet on his head, and he couldn't see his face clearly, but in the gap between the mask of the helmet, he could see a pair of eyes as sharp as an eagle, he took Uncle Dao's token and documents, checked them carefully, and then looked at Wang Wuyun, just by looking at it, Wang Wuyun felt like a transparent person, and the secrets of his whole body seemed to be seen by a pair of sharp eyes behind the man's mask.

"Identity confirmed, permission to enter the Thousand Holy Caves for twenty days!" a dull voice came from under the mask, and then the man walked up to the huge portal with golden light, put a hand on the portal, and the portal opened.

Behind the portal, Wang Wuyun saw a confined space full of runes, like the inside of a metal sphere, the space was the size of a gymnasium, and there were circular metal walls everywhere as far as the naked eye could see, and in the middle of that space, there was a huge thing, like a liquid that was glowing and constantly changing color, and in that liquid, every second, there seemed to be countless bubbles of light and shadow being generated, and countless bubbles were destroying, and when the bubbles were destroyed, the light and shadow turned into black holes, between opening and closing, and then annihilated。

"That's the gateway to the Thousand Holy Grottoes, you go in, walk into that mass of things, and you can enter the Thousand Holy Grottoes!" Uncle Dao said.

Wang Wuyun nodded.

The armored warrior who was ordered to open the door came to Wang Wuyun, and as soon as his hand moved, there was an extra box of things, and the man handed the box of things to Wang Wuyun officially, "This is something for you, inside is the Eye of a Thousand Saints, you can put this thing in your carry-on space, only with this thing can you enter inside, as soon as these twenty Thousand Saint Eyes are consumed, you will be teleported out of the Thousand Saints Grotto!"

The box that the person handed to Wang Wuyun was a black crystal that looked like an eyeball, this thing, Wang Wuyun knew, it was the Eye of a Thousand Saints, listening to Xuanyuan Qianqiu said, this thing is a strange substance produced in the Thousand Saints Cave, only with this thing, can you enter the Thousand Saints Cave, and a person stays in the Thousand Saints Cave for a day, this Thousand Saints Eye will automatically consume one.

This is also one of the reasons why the opportunity to enter the Thousand Holy Caves is precious, the number of Thousand Holy Eyes is limited, there are only a few per year, and there is one less with one, and countless people compete for it, so naturally there is no ordinary monk's share.

Wang Wuyun took the box of Thousand Saints' Eyes, counted them, and sure enough, there were only twenty, one no more and one no less, he directly threw the things into the space equipment he carried, "Okay, thank you!" After saying this, he waved his hand to Uncle Dao again, and Wang Wuyun walked to the portal and came to the huge liquid that was constantly changing with brilliance.

Will you be taken to some strange place in the Thousand Holy Grottoes?

Such a thought flashed through Wang Wuyan's mind.

Just standing quietly in front of the strange liquid that was changing for a few seconds, Wang Wuyun took a deep breath and stepped into the liquid in one step.

At the moment when his body came into contact with the liquid, Wang Wuyun felt an irresistible huge suction force coming from the liquid, pulling himself inside, and then a bubble appeared in front of Wang Wuyun's eyes, wrapping Wang Wuyun's whole person, and between the birth and death of the bubble, Wang Wuyun's figure disappeared from the huge liquid.

Uncle Dao, who was standing outside the door, didn't turn around and leave until he saw Wang Wuyun's figure disappear into the portal of the Thousand Holy Grottoes.

The portal that flickered with huge golden light was then closed again.

Countless bizarre rays of light flickered in front of Wang Wuyun's eyes, and black holes were born and died around him, Wang Wuyun felt that his whole body was like a weightless feather, floating in the void, swept by an irresistible wind, floating to an unknown distance, such a feeling, I don't know if it lasted for two or three minutes, and when the light and shadow and the black hole disappeared, Wang Wuyun found himself in a strange place.

Beneath his feet was an endless black ocean, and above his head, a red sky of flames, suspended in the void between the sea and the flames.

What is this place?

Wang Wuyun looked around, at the limit of his gaze, Wang Wuyun saw a golden palace suspended in the flames of the sky, looming, on the palace, there is a golden plaque, on which a few big characters are written - Da Zi in the Heavenly Palace!

As soon as Wang Wuyun wanted to fly towards the golden palace, the sea under his feet began to roll, and the black sea began to turn into collapsed houses, burning villages, completely chaotic cities, roads crowded with vehicles, screaming crowds, and zombies hunting humans everywhere......

This scene in front of him is the nightmare in the deepest part of Wang Wuyun's memory, Wang Wuyun originally thought that he had completely forgotten it, but he didn't expect that in the blink of an eye, everything he had experienced on the earth, the most desperate and terrifying scene, appeared in front of his eyes again.

What's going on?

A voice suddenly appeared in Wang Wuyun's ears, "This is the deepest fear in your heart, everything here is not an illusion, but a reproduction of creation, if you die here, then, you will really die, only those who have completely defeated the fear in their hearts can enter the Great Freedom Heavenly Palace......"

This voice was somewhat familiar, it was the mysterious old man......

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