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Chapter 81 Could the Dirty Stone Black Rain be...

Zhang Wei looked at this place suspiciously.

A deep cave with a thick turbid air.

"That's it?"

Ning Caichen explained: "Since the Dirty Stone Black Rain disaster more than 5,000 years ago destroyed the Yunya Immortal Sect, most of the areas were burned to ashes by the flames transformed from the Dirty Stone Black Rain, turning into a white land.

So if you want to find the ruins of the Yunya Immortal Sect, you just need to focus on the places where the Dirty Stone Black Rain gathers and dig.

This is a place where Dirty Stones gather that I once found. At the beginning, I also thought about searching inside to see if I could find some opportunities.

In the end, I only found some magic weapon fragments, and I was polluted by the filthy air emitted by the Dirty Stones inside. Later, I soaked in the spiritual spring for a long time before I recovered."

Speaking of this, Ning Caichen also sighed. He didn't expect that the dangerous place he avoided at the beginning would come back again after a long journey!

And this time he couldn't help but go in!

"Dirty Stone... Black Rain..."

Zhang Wei muttered, touching his chin.

Zhang Wei has heard about these two culprits that caused the decline of the Five Realms Immortal Dao countless times, but he has never actually seen them.

Even in the "Five Realms Miscellaneous Records", there is no detailed description of these two items.

As for the source of the turbid air, the cultivators were afraid to avoid it, so after the disaster, the remaining filthy stones and black rain were collectively dealt with by the cultivators. Some of the filthy stones were thrown into the sea, and the other part was buried deep with the black rain using earth magic.

Only places like Black Mountain, which caused a fire and burned the local area to white, survived, but after five thousand years, these remaining filthy stones were also buried by sand.

Unless it is a casual cultivator for the legacy of Yunya Immortal Sect, no one is willing to dig such things.

Otherwise, being soaked in turbid air will affect the path of Taoism.

Even Zhang Wei was cautious at this moment. He stood at the entrance of the cave and did not go in immediately, but stretched out his hand and pressed on the wall at the entrance of the cave.

Then...

Buzz~~

Electromagnetic force spreads rapidly inward along the wall of the cave.

This is the method of using the power of divine consciousness that Zhang Wei has cultivated over the years. He uses his unique electromagnetic force divine consciousness to perceive the structure of the objects he touches, and then forms a three-dimensional view of the perceived structure of the objects in his soul.

This is Zhang Wei's preparation for entering various dangerous dungeons in the future. As long as he practices well, Zhang Wei will be equivalent to opening a God's perspective in various dangerous places, which is very convenient for searching for treasures or escaping from danger.

In addition, Zhang Wei also found that the more powerful the existence, the stronger the magnetic field it emits, and the magnetic field of each person is different.

So Zhang Wei can completely use this trick to see through other people's disguises, so that everything hidden under his electromagnetic divine consciousness can be exposed.

Of course, if the other party's breath-holding technique is too advanced, or has the magical power to completely transform himself into another existence, Zhang Wei will have no way to detect the truth.

At least he can't do it now.

Under Zhang Wei's electromagnetic perception, the direction of the underground cave and even the stones on the road were presented in detail in Zhang Wei's mind.

Not only that, Zhang Wei also found hundreds of rats inside!

This is good news, the presence of rats means that it is safe inside.

But there is also bad news, because each of these rats is as big as a mastiff, and the largest one is as big as a calf!

Zhang Wei asked Ning Caichen: "Do you know that there are monsters here?"

"Monsters?"

Ning Caichen was stunned, and seeing Zhang Wei's eyes, he quickly explained: "Please forgive me, the last time I came here was forty years ago, and I really don't know the environment inside!"

Seeing Ning Caichen's frightened look, through the induction of the electromagnetic magic sand, Zhang Wei determined that the other party's heartbeat frequency was just frightened and rapid, and then he put down some of his doubts about Ning Caichen.

He waved his hand and said, "You will encounter some strange rats on the road, remember to clean them up."

Hearing Zhang Wei's words, dozens of demon cultivators, including Ning Caichen, all looked bitter, but they did not dare to disobey Zhang Wei's wishes, so they could only walk into the cave.

Not long after, the rats in the cave discovered the intruders. With a series of urgent calls, more than a dozen red-eyed rat monsters with cultivation levels that looked like the early stage of Qi Refining rushed out and attacked the group of demon cultivators without fear of death!

But the weakest demon cultivators present were all in the middle stage of Qi Refining, so they were naturally not afraid of these rats and easily solved them.

But a demon cultivator was still injured. Looking at the festering wound and the red-eyed rat monster on the ground, he couldn't help but say, "This is a fierce beast!"

Fierce beast?

Zhang Wei raised his eyebrows, and the records about fierce beasts emerged in his mind.

The so-called fierce beast, like the spirit beast, is a different name for the demon beast.

But its character is the opposite of a spirit beast. It has an extremely strong desire to kill and is extremely ferocious. It is too difficult to communicate with it effectively, so it is called a fierce beast.

In the current Five Realms, the name of fierce beasts refers to those monsters that absorb too much turbid air, thus affecting their consciousness.

The turbid air in the flesh and blood of this monster is seriously infiltrated, and the value of selling it has to be halved, so few monster hunters are willing to take the initiative to deal with this kind of thing.

Ning Caichen looked at these red-eyed rat monsters and said, "It seems that there is too much turbid air in the cave, which makes these rats fierce."

Everyone looked at Zhang Wei again, and saw Zhang Wei nodded lightly and said, "Keep going, there are still a hundred rats ahead, and the largest one is as big as a calf."

Hearing Zhang Wei's words, everyone present except Ning Caichen turned pale.

Hundreds of vicious rats, and there is a rat king as big as a calf? !

Everyone quickly turned their heads to look at Ning Caichen, and the look in his eyes seemed to say.

Boss, you take the front row!

Ning Caichen's face darkened, but he did not refuse, because he knew that in Zhang Wei's eyes, he, a foundation cultivator, was the same as other Qi-refining demon cultivators.

They were all used to tread on thunder.

In this way, everyone advanced all the way and killed all the way.

With a foundation cultivator in the front row, all the rat monsters in the cave were quickly killed. Only the rat king wasted some time, but he did not hold on for two moves from Ning Caichen and was directly beheaded.

Zhang Wei came to a black stone wall, stretched out his hand and touched the black stone wall, frowning more and more deeply.

"This is... the dirty stone?"

Ning Caichen opened his mouth and said: "Yes... Sir, you don't know?"

Zhang Wei told the truth: "I just came from another place, and it's the first time I've seen the appearance of dirty stone. So this is the dirty stone..."

Zhang Wei's speech speed was very calm, but in fact, his heart had already set off a storm!

If... he was not mistaken, this so-called dirty stone had another familiar name in his previous life.

Coal.

Yes, it looks like coal and feels like coal! It's exactly the same as the fuel used for heating in winter in his hometown in his previous life!

Coal is dirty stone?

What is the turbid gas produced after combustion?

Carbon dioxide, carbon monoxide, sulfur dioxide, nitrogen dioxide, nitrogen tetroxide, nitrogen monoxide, dust and other things?

Zhang Wei had countless complaints in his heart.

But he still knocked off two pieces of coal and turned away, and ordered: "Dig."

"Ah?"

The monks were stunned, and then looked at Zhang Wei's back with disbelief.

"Senior...Senior...this is dirty stone!"

Some people wanted to beg for mercy, but Zhang Wei's conscience would not give them alms.

He turned around and looked at this person and said: "Why, you don't want to do it? It's okay."

Hearing Zhang Wei's words, the monks' faces were happy.

But Zhang Wei stretched out his hand at this moment and made a pistol gesture to the man who spoke first.

Puff!

The demon cultivator had countless blood holes all over his body, and the divine light in his eyes dimmed at the same time. Hundreds of black sands also drilled out of his body and turned into a small iron bead and flew back into Zhang Wei's sleeves.

"Just die."

With a plop, the body fell to the ground, and the cave suddenly became quiet. Only the sound of Zhang Wei's footsteps leaving was clearly audible in the air.

Ding, ding, dang...

Sitting outside the cave, listening to the knocking sounds coming from inside the cave, Zhang Wei weighed the coal stone in his hand, and recalled the limited records about the dirty stone in his mind.

According to legend, when the dirty stone burns, it can not only produce turbid air, but also release devil sounds to disturb people's souls.

If a cultivator practices near the burning place of the dirty stone, it is not only easy to absorb the turbid air into the body, but also let the devil sound penetrate the ears, causing low-level cultivators to go crazy and fall into madness. Only the mind of Master Zifu can resist and suppress it.

"Turbid air... devil sound..."

Zhang Wei murmured, and took out a second-level exorcism talisman he bought from Linglong Fairy Island, and released a fire method at the dirty stone under his feet with his other hand.

The dirty stone burned instantly, and wisps of black smoke began to emerge in the air, and a smell that Zhang Wei was very familiar with came out.

At this moment, he was finally sure.

The dirty stone is coal!

At the very least, it is a fuel like coal!

However, just when Zhang Wei thought that the so-called devil sound was just an illusion caused by the poisonous gas produced by coal burning, a whisper suddenly sounded in his ear!

Zhang Wei was very sure that he did not breathe any poisonous gas, because the turbid gas produced was covered by his magic weapon as soon as it was born.

But the so-called devil sound still appeared in his ear.

This shows that this filthy stone is not just simple coal.

The content of the whisper was very strange. Zhang Wei could clearly understand every word, but when they were connected together, Zhang Wei could not understand it.

"Damn... Did this world of immortal cultivation provoke some Cthulhu gods? How come even the whisper of the ancient gods came out?" Zhang Wei couldn't help cursing inwardly.

But he didn't go crazy because of the whisper.

After all, his cultivation is not weak now, and he is blessed by the power of divine thoughts. The devil sound produced by a small piece of filthy stone has no effect on Zhang Wei.

And as the filthy stone burned, Zhang Wei also compared it with the coal in his memory, and found that the so-called filthy stone burned longer and had greater firepower, even better than those high-quality spiritual charcoals!

If it were not for the turbid gas and magic sound it produced, it would definitely be a high-quality fuel!

Zhang Wei simply used this magic sound as background music and flipped through the relevant knowledge about coal in the book in his mind again.

After a brief browse, Zhang Wei fell into deep thought.

Coal was formed by ancient plants under high pressure and high temperature through a series of complex geological processes, but it should also be buried underground. How could it fall from the sky and become the so-called filthy stone disaster?

And black rain...

"Wait..."

Suddenly a bolt of lightning flashed across Zhang Wei's mind, making him think of it.

What if the dirty stone is really like coal, and it was a part of a certain creature or a part of some creatures before it turned into a dirty stone? And is it also part of an incredibly powerful being?

Their flesh and blood have been soaked with a large amount of high-quality spiritual energy during the long period of cultivation, so that every bit of them contains pure energy.

And the turbid gas produced after burning... the magic sound...

Zhang Wei thought about it. According to legend, when a monk reaches the level of Yuanying, his soul will transform again. Will he turn into the soul from the fairy novel in his previous life?

And the power of the soul is pervasive, and even after the death of the great monk, there is still some residue, so it seems not impossible that the so-called magic sound can be transformed into the fragments of its corpse.

What about Black Rain?

Could it be blood?

The blood of that great monk? !

So what kind of disaster can destroy such existences, turn their flesh and blood into filthy stone, and turn their blood into black rain covering the five realms?

Zhang Wei thought of a disaster, and it was a disaster they had to face!

"Heavenly disaster!"

Perhaps five or six thousand years ago, there was a powerful being, or even many powerful beings who went through the tribulations in the five realms together, but ended up dead.

Their bodies turned into this so-called filthy stone under the influence of the power of heavenly tribulation, and their blood turned into black rain, falling into the five realms and affecting the five realms for thousands of years!

And the remaining power of their souls is wrapped around these corpse fragments, released with further burning, and then they follow their instincts and scream unwillingly? Or narration?

The more Zhang Wei thought about it, the more likely it was, but he didn't know if it was an illusion. As Zhang Wei's thoughts gradually deepened, he seemed to be able to understand the content of these magic sounds more and more.

"The vastness..."

"Xianmen..."

"Become an immortal..."

"Dongzhou..."

After hearing the word Dongzhou, Zhang Wei suddenly woke up. At this moment, he seemed to see an incredibly huge cyan dragon roaring up to the sky!

Countless purple thunders exploded between the sky and the earth, and then a pair of giant eyes seemed to open in the sky, and an extremely thick purple thunder struck down, knocking the giant cyan dragon down from the sky!

hold head high------

Zhang Wei's eyes instantly burst with lightning, and his electromagnetic thoughts surged out, shattering all the illusions in front of him. Then, without thinking, he slapped himself and put the exorcism talisman on his head!

A refreshing and cool feeling came, and Zhang Wei breathed a sigh of relief, only to find that his back was soaked with cold sweat!

"How is it possible? Even if a monk cannot survive the catastrophe, his body should have been ripped apart by the catastrophe, right?

How could he still turn into this so-called filthy stone?

But just now, what did I seem to see?

Am I also affected by this magic sound? "

Just when Zhang Wei was confused, he found that the dirty stone was still burning and the turbid air was still generating, but the incomprehensible magic sound had disappeared.

"Magic sound..."

Zhang Wei lit another dirty stone, and the familiar whispering voice came again, but this time, this voice could no longer make Zhang Wei feel the slightest fluctuation.

Zhang Wei blinked, and the power of electromagnetic divine thoughts was released. There seemed to be a tremor in the void, and then the demonic sound seemed to have met its nemesis, and was torn into countless pieces and disappeared under the influence of electromagnetic power.

Zhang Wei said in surprise: "Can my electromagnetic divine thoughts destroy these magical sounds?"

It is indeed one of the four fundamental forces of the universe, it is awesome!

"If that's the case, then this dirty stone is also useful to me!"

Zhang Wei looked back at the dirty stone cave where the sound of banging could still be heard, and murmured: "Maybe, I can be a coal boss!"

Coal, as an important fossil energy in the development of human industry in Zhang Wei's previous life, plays a decisive role in many aspects.

Although I don't know if this dirty stone can be used for as many purposes as coal, but judging from its greater combustion efficiency than many coals in Zhang Wei's previous life, it is also excellent to use it to generate electricity.

Ever since Zhang Wei broke through the foundation building twenty years ago and could absorb spiritual energy on his own for practice, Zhang Wei put down the research and development of hydroelectric generators.

Except for conducting experiments on those Zhang family disciples who have not yet awakened their spiritual roots, Zhang Wei rarely practices by absorbing electricity.

Without him, the cultivation speed of absorbing electricity is about the same as when he practiced with spiritual veins. With his current cultivation level, it is difficult to help him simply by using the electricity provided by those primitive generators.

He needed some stronger power source.

But there is no suitable place in Zanglong Mountain or even in the entire Yun Kingdom. He can't use spiritual charcoal to generate electricity to provide energy for himself, right?

That cost is too high.

Zhang Wei often arranges wind-calling and rain-making formations, and then takes the opportunity to practice with the power of thunder. However, the power of thunder directed in this way is also very dangerous. The electricity and voltage of each thunder and lightning are different, which is far less stable and safe than thermal power generation. .

Unexpectedly, I found this dirty stone in the Black Mountain Mountains!

According to Ning Caichen, although most of the filthy stones were burned out more than 5,000 years ago, there are still more than 300 untouched places where filthy stones accumulate in the thousands of miles of black mountains.

If every place where dirty rocks accumulate is the same as the cave in front of you, then the reserves will reach at least tens of billions of tons!

Enough for Zhang Weishi!

Of course, the premise is that Zhang Wei lights up the technology tree of thermal power generation and develops a series of machines such as turbines.

Zhang Wei touched his thick hair and couldn't help but sigh: "The road to immortal cultivation is indeed endless..."

"It seems that I have to study mechanics in depth, um... and mining... No, it seems that the dirty stones can't be mined and burned casually."

Zhang Wei suddenly remembered that due to the influence of the dirty stone black rain disaster more than 5,000 years ago, the cultivators of the Five Regions hated these two things.

If Zhang Wei mined dirty stones, it would be fine. If he dared to burn dirty stones publicly to release turbid air, he would be cut off from the human race in the Five Regions, including the demon cultivators, who would have to come and make trouble for him!

Therefore, unless Zhang Wei could fight all over the Five Regions, he could only do dirty stone mining and even thermal power generation secretly.

It seems that I can only be the boss of a black coal mine?

Zhang Wei was so depressed.

However, at this moment, he suddenly found that the outermost layer of the dirty stone that burned first turned into slag and fell to the ground.

This slag is not the same white as the legend, but also with a light green color.

Zhang Wei was stunned, then quickly extinguished the fire and picked up a small handful of light green powder.

"This is..."

Zhang Wei carefully felt it, and then found that this small handful of powder actually contained a small wisp of pure wood spirit energy!

Wood spirit energy is the wood spirit energy among the five spirit energy, which is a special kind of spirit energy. Generally, it can only condense in the wood spirit vein, which can greatly promote the growth of spiritual plants.

Can burning dirty stone burn out wood spirit energy?

Are you kidding?

"Could it be..."

Zhang Wei covered his eyes, took out another dirty stone and lit it, letting the devil sound linger, without any movement, just waiting for it to burn slowly.

When the surface of this dirty stone was broken, the powder that appeared was no longer the wood spirit energy, but the gray-white powder recorded in the classics.

Zhang Wei murmured, "Sure enough, it's the devil sound... These devil sounds are assisted by the wood spirit energy.

After I used electromagnetic divine thoughts to break the devil sound, the wood spirit energy was no longer consumed, but continued to remain in these byproducts after the burning of the filthy stone."

Zhang Wei couldn't help but sighed, "Sure enough, it's worthy of the world of cultivation. There are such magical minerals. Since there is wood spirit energy, then the filthy stone is not only used for power generation. At least these powders can be used as fertilizers to make a lot of money."

Then Zhang Wei looked into the cave, listening to the knocking sounds inside, and suddenly felt that the sounds inside were so beautiful.

But when he thought of the dozens of devil cultivators working under him, he felt like a knife again!

Zhang Wei touched his chin and muttered, "It seems... I have to find some companions for you."