After negotiating, Tang Zheng followed the remnants of that night into the mine, but Qiu Shuyu and others did not follow because of the rules.

Some of the miners in the cave were still walking around with their baskets on their backs, but the narrow tunnel led to the unfathomable depths of darkness.

It is said that for the sake of this spiritual stone vein, the Shimen sect almost dug the mine to the depths of the mountain, and now the outer edge of the mine has been hollowed out, and it is as bright as the mountain hall. In order to dig enough spirit stones, miners often have to walk along the mine road for a long time.

The walls around the pit were all reinforced by cultivators with earth-based spells. After confirming that the mines in this area have been dug up, the cultivators will seal them with earth-based spells to prevent them from collapsing, but according to the rules, there will be a certain gap in each forbidden reinforcement point to facilitate the exploration of the spirit master.

At this moment, with the remnants of the night walking a few steps in the main hall, Tang Zheng came to a rock wall, put his hand into the gap, and activated the aura. A trace of aura penetrates through the gap, and there can be energy fluctuations after feeling the barrier.

After probing for a while, Tang Zheng only felt a little bit of extremely faint energy fluctuations, and knew that it was just some residue that was not worth excavating, and this piece of rock wall had indeed been hollowed out.

This is not surprising, this is the entrance of the mine, and it is the most unlikely place to be missed, Tang Zheng is here to investigate, mainly to feel the soil and aura feedback here.

After trying, Tang Zheng took out the pit map, made a few notes on it, and said to the remnants of the night: "Let's go." ”

The pit map is an early map, and as the mine roads were dug in all directions, the map gradually couldn't keep up, so even if there was a map, Tang Zheng still needed to find a guide to move forward accordingly.

He is not afraid of getting lost, but if he gets dizzy, he doesn't even know where he has been and where he hasn't been, in case he misses a certain point, and there is a batch of ore after this point, it will be a loss to the Moon Washing Sect.

Tang Zheng's instructions to Xi Remnant were to use the shortest route to walk through each mine road.

At this moment, the two of them continued to move forward, and every time they walked a certain way, Tang Zheng would stop and carefully search each mine wall, not missing a single one.

Under the dim light, the two of them walked forward step by step.

The further you go, the more rugged the road becomes, and as the number of forks in the road increases, fewer and fewer people you encounter. At first, miners could be seen crouching in front of the broken rocks rummaging for rough stones, vigilant to everyone who approached them. Gradually, there were fewer and fewer miners, and only occasionally the sound of a distant pickaxe hitting the rocks could be heard.

"Didn't you say that the deeper you go, the more mines there are? Why are most of the miners concentrated in the middle and late sections, and no one is there any deeper?" asked Tang Zai.

Without looking back, the boy replied, "Because there are monsters in the deepest depths." ”

"Monsters?" Tang Zheng was taken aback: "You said that there are monsters in the cave, then why don't you find a spirit master from the Shimen Sect to kill the demons?"

"I've been here. "It's a pity that it's useless, as soon as they come, the monsters disappear, they don't appear at all, as if they can be found." ”

With the narration of the remnants of the night, Tang Zheng understood.

The cave haunting was about two years ago.

On that day, the miners were mining in the deep tunnels when they suddenly heard a scream. When the miners followed the screams, they found only a pool of blood on the ground, but one of the miners had completely disappeared.

Shortly after that, three more miners disappeared in succession.

It was at that time that the Shimen Sect sent people to investigate, and this was also their first time coming.

However, after investigating, the people of the Shimen Sect found nothing.

However, with the departure of the Shimen disciples, the demon incident reappeared, and it appeared even more ferocious.

This time, it was a direct manifestation - someone had seen the yokai with their own eyes.

Tang Zheng asked, "You said that someone saw the monster with his own eyes and did not die?"

"Yes. The young man nodded: "And there is more than one person, there are about ten people before and after seeing it." It is said that it has thick long hair, about three meters high, extremely powerful, and has sharp claws, which can make a big hole in the rock wall at once. It can drill into the ground, and by the way, it can also devour raw ore. ”

"Long hair, three meters, sharp claws, strong force, burrowing into the ground, devouring raw ore...... What kind of monster is this?" Tang Zheng thought repeatedly, but he didn't expect that there was such a monster. However, there are no wonders in the world, the grass and trees can be made into essence, even if there is something that they have not seen, it is not unusual, don't say yourself, even if you are able to wash the moon, you dare not say that you are used to seeing strange things in the world.

"And then?" Tang Zheng asked.

The young man shrugged: "What else? Inform the Shimen Sect again." But that monster is also really cunning, as long as the people from the Shimen Sect come, they will immediately lie dormant. This is a big mountain, and it can drill into the ground, if it doesn't come out, unless the entire Yongsui Mountain is lifted, the Shimen sect can't do anything about it. Later, the Shimen faction simply sent disciples to pretend to be miners, restrain their breath, and secretly wait for the monsters. As a result, it was really waited for once, a Shimen disciple fought with the monster, but unfortunately he couldn't kill the monster, and was slipped by the monster before the Shimen reinforcements arrived. However, the disciple also knew something about it, saying that the monster should have some kind of ability, and it can divide its own territory, and all life that enters its territory can be discovered by it. Because of this, it is very difficult to encircle and suppress this demon. In addition, the method of impersonation has been used, and the monster has suffered a loss, so it must not be fooled lightly, and it is almost impossible to catch it. However, as long as it is outside the territory of the monster, the monster will not be lightly dispatched. ”

"So the miners don't go deep into it anymore?"

"Yes. Fortunately, the monster came out late, and all the mines that were good to dig in the depths have been dug up, and its territory is not large, so although it will miss some ores, the loss is not too big. In addition, sometimes there are brave miners who sneak over and knock twice to bring out some raw ore. As long as the movement is not too big, the youkai will not pay attention to it. ”

Saying that, Xi Remnant looked back at Tang Zheng: "The reason why I can get the most raw ore is because I steal the most times." Maybe it's because I'm too small, and every time I go in, the monsters won't eat me. ”

"I see...... Tang Zheng let out a long tail note, his eyes narrowed slightly.

After walking for a while, the Tang Tribulation and the remnants of the night have reached the deepest depths.

At the end of the mine is a bottomless abyss, and when you look down from above, it is pitch black and you can't see anything.

"This is the end. Xi Remnant said: "The ore vein ends here, there are still some raw ore on the rock wall here, but the underground is the monster, and the miners dare not come." If it weren't for you, I wouldn't dare stand here, I used to be on the edge of its territory, picking some and running. ”

The ore wall in this area was not blocked, Tang Zheng stretched out his hand to probe it at will, and found that there were large energy fluctuations in the rock wall, confirming that there were indeed a lot of raw ore here.

This is also the last surplus of this vein.

According to the Shimen faction, after the ore in other places is mined, the Shimen faction will personally send disciples to guard this place and dig up the remaining ore, and what Tang Zheng has to do is to report the number of proven remaining ore, and when the time comes, after the Moon Washing Sect collects its own share, it will no longer need to pay attention to this ore vein.

In order to confirm the simplicity of the remaining ore, to find out the specific amount of the remaining ore, the cultivator needs to take the trouble to probe with all his attention. However, Tang Zhengwu has wisdom and insight, and prospecting is just a trivial matter for him, so just a little attention, the raw ore behind the rock wall is roughly clear.

After counting the number, Tang Zheng took out a black stone: "What about this?"

This black stone is what Xi Remnant gave him before, and it is also the core key to this young man's ability to open the Jade Gate, and it is also the key to moving Tang Zheng.

Xi Remnant pointed to a rock wall not far away and said, "It's over here." I came to steal ore that day and happened to see an exposed piece of raw ore in front of me. To the miners, the bare ore was like gold on the ground, so I went over and mined the ore despite the danger, and brought out the stone. I saw that the stone was a little strange, so I took it back, but I didn't expect that the whole body was hot that night, and something seemed to rush around in my body, and then I felt much stronger......"

"And so it was. Tang Zheng muttered.

"Do you know what this is?" asked Yuzuki. Ever since he got this black stone, he felt that his body had changed significantly, and he was also curious about what it was, but he knew that he was not capable of keeping secrets, and he didn't dare to reveal it until Tang Zheng saw his secret, and he was forced to tell it. Now that Tang Zheng knows about it, he naturally wants to ask clearly.

Tang Zheng didn't hide it from him: "This is a crystallized sand silkworm." ”

"Sand silkworms, are you saying it's not a stone, it's an animal?" asked Yuki in surprise.

"Yes. Tang Zheng nodded: "To be exact, it is the sand silkworm that has turned into stone, and it is a rare material in the cultivation world." ”

The exact name of the sand silkworm is actually called the spirit eating sand silkworm, which is an extremely rare demon insect. The biggest feature of this demon insect is that it is fond of eating spirit stones, the life span of a sand silkworm is generally about five hundred days, in these five hundred days, it desperately devours spirit stones at a rate of two catties a day, and can devour about a thousand catties of spirit stone raw ore in a lifetime, which is converted into a hundred spirit stones.

With such a terrifying appetite, the sand silkworm does not waste a single trace of aura, except for those meaningless residues, every bit of aura is in its body. The reason why this is so is because the sand silkworm has a special ability, which is the crystallization of aura. However, as the sand silkworm devoured more and more, the crystallized aura became more and more fierce, and eventually the entire body of the sand silkworm would be completely crystallized, and the black stone in Tang Zheng's hand was formed.

To the cultivators, it is a supreme treasure.

Because it is an important material that can increase the spiritual energy reserves of cultivators.

For cultivators, due to innate limitations, cultivators can only liquefy aura.

For example, the peak of the spiritual sea, ten thousand drops of spiritual liquid, is the surface of the liquefaction of spiritual energy. Even a cultivator after departing from the mortal world is only able to attract the spirit of heaven and earth with the spirit in his body, but his own spiritual space reserves are actually the same as those of the peak students of the spiritual sea, and there is no change, because this is the limit of the human body.

If the aura can be crystallized, then the cultivator's mana will undoubtedly be greatly enhanced, but unfortunately, the innate limitations of the human body make it almost impossible for the cultivator to crystallize the spiritual liquid.

The crystallized sand silkworm is a treasure that can make up for this regret, it can help the cultivator to generate a structure in the body that can crystallize the spiritual liquid, so that part of the spiritual liquid can be crystallized, thereby increasing the spiritual energy reserves.

Of course, cultivators can't crystallize all the spiritual liquid because of this, that will only make the cultivator like a mortal swallowing gold, falling into the spiritual sky and dying, so the spiritual sea is still the foundation, and the crystallization is only for assistance, just like an iceberg in the sea, which belongs to a limited improvement.

Although it is a limited increase, it is the total amount of aura that has been raised, and its value can be imagined!

Because of this, the crystallized sand silkworm is a hundred times rarer than the spirit mine, and almost every piece can be sold for a sky-high price in the market.

Like this crystallized sand silkworm in Tang Zao's hand, if used properly, it can help Tang Zao form a spiritual qi crystallization structure of about three hundred points. The crystallized aura that a cultivator can hold is about thirty percent of the upper limit, which means that ten crystallized sand silkworms can increase the total mana of Tang Tribulation by thirty percent, which is quite amazing.

With such a terrifying aura content and quality, it is normal to be able to help Xi Remnants break through the Jade Gate, but it is also this kid's luck. Although the crystallized sand silkworm can help break through the Jade Gate, the danger is not low at all, his immortality is his life, it is rare that under no guidance, this little guy has even reached the sixth level of the Jade Gate. Tang Zai asked, only to know that this kid was stubborn by nature, although he was in pain all over his body at that time, but under no guidance, he was able to keep silent just by nature, and did not waste his talent at all, so that Tang Zai had to admire.

At this moment, knowing the meaning of this sand silkworm, Xi Remnant was also dumbfounded: "Isn't this thing very valuable?"

This was the first thought that popped into his head.

"Yes, in the cultivation world, a piece of crystallized sand silkworm can be sold for at least 100,000 yuan, or there is no market. Tang Zheng replied: "But because you don't take care of it properly, your piece has been absorbed by you day and night, and its value has been reduced a lot...... Using crystallized sand silkworms to rush the jade gate, you can be regarded as a luxury, but it is not all without benefits, at least this body is strong. ”

Xi Remnant had never learned the Immortal Cultivation Technique, and the excess aura had nowhere to go, so he spontaneously nourished his body, making this kid's body and bones quite strong, otherwise it would be impossible to defeat the four strong men.

"One hundred thousand spiritual money. The boy's eyes were almost bursting into flames when he looked at the black stones.

"Why?, regret it?" asked Tang Zai with a smile.

The boy thought for a moment and replied: "It's just a pity, but it's nothing, I don't know if you don't sue sù, you will only waste good things in vain." ”

"It's kind of sensible. Tang Zai nodded with satisfaction, and suddenly shook his hand, giving the crystallized sand silkworm to Xi Remnant.

Xi looked at Tang Zheng with puzzlement, and Tang Zheng said: "But all life will not be alone, there are often one and two." Therefore, if there can be a piece of crystallized sand silkworm, there will also be a second piece and a third piece...... All I want is the place where they are stored, and as for this piece, I'll give it back to you, so that you don't think that my dignified cultivator is still cheating things from your little broken child. ”

Yuki Remnant shouted, "I'm not a little broken child!"

The hands and feet quickly put away the crystallized sand silkworm, and there was a trace of gratitude in his eyes.

Only then did Tang Zheng continue to explore the mine wall, looking for crystallized sand silkworms.

However, no matter how hard Tang Zheng tried, he couldn't find a piece.

This made Tang Zheng very puzzled, although it was said that the crystallized sand silkworm had very little energy escaping due to crystallization, and there were spirit stones everywhere behind the rock wall, its energy fluctuations were more likely to be disturbed, but Tang Zheng was the one who comprehended the insight, and he was confident that if there was really a sand silkworm in this area, there was no reason why he couldn't find it.

Could it really be that there is only one sand silkworm?

This is not impossible, the sand silkworm is good at escaping, a day for a hundred miles to live in the spirit mine, it is a common thing, if it is just a foreign sand silkworm found the veins here to eat, although the probability is smaller, but there is a precedent to follow.

Or has it been mined by the previous people?

It's not impossible.

In fact, the overseers will steal from themselves, which is a common thing in the cultivation world, and even the Moon Washing Sect does not think that the Shimen Sect will be clean, but everything needs to be done in moderation, as long as it is not too much, the Moon Washing Sect will usually turn a blind eye, just like the Shimen Sect duì that Wu Xiucai opened his eyes and closed his eyes.

But the sand silkworm is a big deal, if this is also self-stealing, once it spreads, it will be a disaster.

And this kind of thing is difficult to keep secret, after all, after the crystallized sand silkworm comes out, it will either be used for its own use or sold out, no matter which option it is, it will be big news when it comes out, as long as there is no exact way to come from, the major factions will definitely chase its source, and it is very difficult for the Shimen faction to hide it.

However, since the demon incident, there are no miners to mine the rock wall here, and the rock wall is intact, if someone secretly steals it, it is impossible for the rock wall to remain so intact, and it is impossible for the miners not to know.

Or ...... In fact, this is not a nest of sand silkworms?

Tang Zheng turned his head sideways and looked towards the abyss at the end of the mine.

He slowly walked to the abyss and shot out his right hand, and an eyeball in the palm of his hand was generated for no reason, which was the clear eye.

The eyeball rose towards the top of the abyss, and when he looked closely, he could only see through the whole perspective with his clear eyes, but he had no ability to penetrate it, and everywhere he saw it, it was pitch black all around, and there were solid rock walls everywhere, but he didn't find any clues.

Tang Zheng frowned deeply, and stood in place and pondered for a long time.

Finally, a little light lit up in the center of his eyebrows, and a vertical eye gradually appeared.

As soon as the vertical eye appeared, a pillar of light shot out of the vertical eye, shining on the opposite rock wall, and then swayed around like a searchlight.

It's a pity that even if Tianmu investigates, he still hasn't found anything, and Tang Zheng can't help but think again, maybe he really made a mistake, this sand silkworm is just walking alone.

At this moment, an exclamation suddenly came from behind him.

Aftermath!

The vertical eyes disappeared, Tang Zheng turned his head sharply, and saw that the remnants of the evening had flown towards him.

As soon as Tang Zai stretched out his hand and grabbed the remnants of Xi, he heard a roar, and a huge black shadow rushed towards Tang Zai.

Hairy!

Tall!

Claws!

In the faint light, Tang Zai saw the faint appearance of the black shadow rushing towards him, which was the monster that Xi Remnant said.

It turned out to be there.

At this time, Tang Zai grabbed the Xi Scar, his hands were restrained, he could have lifted the Xi Scar and used him as a shield to resist this claw, but at that moment, Tang Zheng still let go of the Xi Scar and did not let the Xi Scar be hit.

At the same time, the monster's claws had already slapped fiercely at Tang Zheng, hitting Tang Zheng's chest. A blow smashed Tang Zheng into the air, falling towards the depths of the cliff.

―――――――――

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