After looking at the many caves in front of him for a long time, Yun Yu waved his hand, and suddenly several mist shadow blazing insects with a little silver light on their bodies appeared in front of him.

The thought was issued, and several fog shadow blazing insects suddenly flashed and disappeared, poking down towards several caves in the gray mist current.

The tiny lightning flashed and disappeared, and the mist shadow blazing insects disappeared from Yun Yu's soul power induction in the middle of his breath.

Sensing that the several blazing insects couldn't feel it, but they entered the cave without being too hindered, Yun Yu's eyes flickered, and he didn't react immediately.

Instead, his body moved, and he stepped into the place where the gray mist was surging, and he didn't feel too unusual, and slowly walked towards a nearby cave......

The pitch-black hole path sensed in front of me cannot be explored to the end, but the cave path is extremely tortuous, and the general direction is straight down.

It is only a pitch-black hole that is as big as a long time, and it is extremely dark inside, and there is an extremely strong consciousness blocking the existence of regular forces.

The feeling given to Yu Yunyu was also extremely depressing, which made Yun Yu, who walked to the edge of the cave, hesitate slightly, but soon, the hesitation in his heart was suppressed by his resolute will, and his body jumped and slowly fell down.

What made his heart feel relieved was that he only fell three or four hundred zhang away, and the bottom suddenly became empty, and the place where he was located, the sense of oppression had greatly decreased, and it had become extremely large.

The soul power detection was released, and an underground cave dozens of miles wide appeared below.

The density of the spiritual energy in the cave was the only one Yun Yu had ever seen in his life, and compared to the Yuan Spiritual Energy in the space above, he didn't know how thick it was.

Standing on the spot, he moved his arm slightly, and he could almost feel the tiny spiritual energy beads touching his skin, and without the slightest obstacle, he directly entered his body, and flowed along the meridians to Danhu.

Wanting to absorb a large amount of cultivation intention, his body went downward, and he fell hundreds of zhang again, and Yun Yu finally arrived at the bottom of the vast cave.

Consciousness was released, following the extremely slow-flowing aura energy, and Yun Yu quickly locked onto a place in the vast cave mansion.

"This is the crystal essence, there is actually a crystal essence here!"

Crystal pith, in popular terms, is that the spiritual energy released by the spirit crystal has reached the level of condensation of the liquid, although the crystal pith does exist in the classics, but it is not fortunate to see it.

There is a saying in the spirit world that it is extremely difficult to meet people in the ten thousand realms who have the crystal essence in the spiritual veins.

At this moment, in front of Yun Yu, there was a slender gray silk thread like a hair, which meandered in a mark the size of a finger.

The mark was miles long, right in the middle of the entire underground cavern. Although the thread was slender, it was wrapped in a white glow.

The fluorescence contains indescribable aura energy, and when the consciousness touches it, it will be directly opened by the fluorescent bullet.

It was as if that layer of white light had become a solid body, and it had become so hard that everything could not invade.

Yun Yu didn't see the flowing crystal essence, but from the state and form described in the classics, he still judged for the first time that the slender gray silk thread in front of him was the rumored crystal essence.

Looking up at the walls around the vast cave, there was nothing else worth paying attention to, except for the filaments of the ground.

At this time, Yun Yu's mind was still extremely clear.

For this so-called foundation of the Qiling Sect, his heart was not only curious, but full of awe at this time. Being able to find a crystal essence in such a place, and spend a lot of money to open up such a place as the vast space cave array above, is really not something that ordinary sects can do.

Even those first-class top-level sects in the spirit world can hardly say that they can find such a place.

After standing for a long time, he retracted his shocking mind and looked at the slender and extremely long crystal essence in front of him.

Although the crystal essence is the spiritual power liquid of the spirit crystal core, it cannot be contained with the Five Elements Spiritual Qi Energy Exercise, and can only be contained with a device that does not have any energy with the attributes of the Five Elements.

The rocks here are extremely special, hard as iron, but they do not have any of the attributes of the five elements.

But it was impossible for Yun Yu to cut down the rock here and take it away, the hardness of this rock, even if he could use the Red Mang Sword or the Yunkong Spear Body to slash it, it was not something that could be cut down in a short time.

Even if it can be slashed, it will be difficult to ingest or refine the power of space, because this process still needs to be studied, and it will take too long.

The crystal pith has a property, that is, it will not fuse together or break into an individual, no matter how much equivalent the crystal pith is, it will not be like a liquid, fused into a round drop, and no matter how slender the form, it will not break and split into a divided individual.

The excitement in his heart slowly subsided, and at this moment, Yun Yu began to think about how to collect these crystals.

Although these crystals were extremely slender and small, they were several miles long, and if he wanted to collect them, he could only collect them all at once.

But with such a long crystal essence, with his strength at this time, he couldn't and didn't have the means to knead it into a ball.

And when the artifact with the attributes of the five elements touches the crystal essence, it will immediately be shattered by the crystal essence robbing its own spirituality.

Even if a treasure or spiritual weapon comes into contact with it, although it will not lose its spirituality instantly, it will quickly shatter and finally melt into pieces.

His body can't get close to the crystal essence, if it is too close, its own energy will inevitably be absorbed by the crystal essence.

An hour later, Yun Yu was hanging hundreds of zhang away from the crystal essence, his face slightly gloomy.

After using several conceivable means to no avail, Yun Yu finally had to stop.

It was only at this time that he finally understood why those powerful figures of the Qi Spirit Sect would spend a lot of money to set up the foundation of the sect here, instead of taking the crystal essence away, because this crystal essence was something that could not be moved at will.

Although the highly toxic aura energy carried by the Wuyi True Water also has an extremely powerful corrosive effect on the Five Elements Aura Energy, there may also be several ways to temporarily resist it or imprison it with powerful spells.

At this time, Yun Yu was the void formation that imprisoned Yuan Yi's true water, and he couldn't make a contribution.

Although Yuan Yi True Water was imprisoned by the broken bowl and imprisoned in the body, the power that Yun Yu could drive at this time was limited to that poisonous aura, and it was difficult to control by its realm cultivation, and it was not possible to sacrifice or exert all the power of its body.

And the kind of poisonous aura energy that sacrifices without any true water, once it touches the crystal essence, it will still be absorbed and gone.

However, Yun Yu also judged that if he advanced to the late stage of the Xuanling Realm or higher at this time, and then sacrificed this kind of poisonous aura, it would be said that there was a great chance of restraining the powerful absorption power of the crystal essence.

This crystal essence is extremely mystical and magical, it can not only absorb the five elements attribute energy that it touches, but it will also continue to wave out the pure spiritual energy that it condenses itself.

It's as if it is centered on itself and naturally forms an energy circulation spirit body with a natural array eye.

The treasures in each storage space, Yun Yu inspected them one by one, and finally shook his head.

The treasure that can hold items, first of all, the most sure thing is the broken small bowl, but what makes Yun Yu speechless is that in this crystal essence, he can't drive the broken bowl to appear out of his body.

Inject will into the small point of light in the body, and although it will also hum, it will only flash in the sun, and then fall silent again.

And Yun Yu felt a majestic energy surging out of the light point of the small bowl in his mind, and disappeared in an instant. And other treasures are even more difficult to achieve.

Stunned on the spot, Yun Yu's face became extremely gloomy, although the crystal essence could not immediately allow the monk to cultivate to a great progress, but if this crystal essence was really moved into that array of bead space, it would definitely be of great benefit to Yun Yu.

Whether it is a monk, a spirit animal, a spirit worm, etc., they can rest and recuperate in it, that is, including all kinds of treasures and auxiliaries, stored in it, it will also be of great benefit, and it can gradually form a true spirituality.

Since he had come across such a rare thing, if Yun Yu didn't have the possession of thoughts, then he wouldn't be a self-motivated monk.

However, although there are some mentions of the mystical and magical crystal essence in many classics, there is never a record of what kind of treasures or methods were used to collect them.

After carefully scanning and studying the things on his body, his mind suddenly locked on a slightly illusory object in the form of a silk handkerchief.

With a wave of his hand, the silk handkerchief appeared in his hand, looking at the silk handkerchief that flashed gray and white and was slightly illusory, Yun Yu's heart suddenly moved, and his eyes suddenly flashed.

After a moment's thought, with a wave of his hand, the small silk handkerchief went directly towards the crystal essence in the distance.

Under the injection of majestic soul power, the silk handkerchief steadily approached a place more than ten zhang above the slender crystal essence.

Under the connection of his thoughts, Yun Yu only felt a cloud of gray energy flickering softly around the silk cloth, as if it had responded to the white luminous energy above the crystal essence.

At this time, the silk puff was not affected by the powerful absorption power of the crystal pith, but the gray energy wrapped on the silk puff actually formed a void window as the silk pa turned larger, and the glowing white energy wrapped in the crystal essence flowed to that space window instead.

Seeing this scene, Yun Yu's heart was full of expectations.

The silk pa was originally something that Yun Yu had unintentionally obtained, and there was a formation in it that trapped and killed the enemy's cultivation, and it was originally a strange treasure that could absorb the enemy's cultivation.

And the crystal essence is tantamount to the purest spiritual power core in the spirit world, and in this way, the inner space of the silk pa can hold that crystal essence, and it is very possible to think about it.

Under the joy and expectation in his heart, Yun Yu's mind was blessed, and the soul energy was accelerated into it, and the gray window in the air suddenly became larger......

This piece of silk cloth was obtained by Yun Yu from the hands of Yun Yu who killed the late stage monk surnamed Peng of the Ice Crystal Palace.

Because he trapped Yun Yu in it before, he escaped after Yun Yu used multiple thunder fire talismans to self-detonate, and suffered a trace of damage.

Yun Yu didn't pay much attention to it before, and let it hide in the Xuan Turtle Shell Cave Mansion to absorb the aura by itself, and it has not been refined by Yun Yu, but because its own owner has exploded and died, and because Yun Yu has entered the air before, this treasure is quite familiar, and it can naturally use its mind to urge it to fly away.

Because Yun Yu thought that this thing was a difficult treasure refined from an unclear filamentous material, it was quite valuable for research, so he never transferred it to others.

In addition, Yun Yu also had an idea, he wanted to study this thing thoroughly, and combine it with the array he created to become a real array Turing weapon.

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