"Lord Merlin, which path should we take next? The one on the left or the one on the right? The fork in the front seems to be inclined towards the ground, and there is wind flowing. It might be the way back to the surface. "
Lin Yun didn't say anything and instead walked to the intersection of the three paths. An Earth Law Rune appeared on his palm and in an instant, Lin Yun's palm turned the color of soil. It was as if his palm had turned into a pile of soil. Lin Yun's palm slowly touched the ground and ripples appeared on the ground as Lin Yun's palm slowly merged with it.
After a few seconds, Lin Yun pulled his palm out of the ground and walked ten meters away before gently stomping his foot. In an instant, the ground trembled slightly and a large hole appeared. Looking down from the hole, there was also an underground cave. The thickness of the rock here was the thinnest, only about three meters thick. After breaking the rock here, the cave entrance was directly exposed.
"Let's go, we'll head underground from here."
Max looked at Lin Yun in bewilderment.
Mafa Merlin seemed to be very familiar with this place. He actually discovered that there was a huge underground cave and directly found the entrance. After breaking the entrance, it didn't affect the surrounding structure. He had definitely studied this place.
However, on the way here, he didn't seem like he had been to this cave many times. His subordinates also didn't seem to have been here before. How did he know about this?
Could it be that his research of this plane has already reached such a level? What a terrifying existence …
Max was bewildered, but he didn't show it on his face. Lin Yun led his people and took the lead to jump into the small hole. Max also led his people in.
The purpose of their exploration of this cave was to explore the mineral resources of this plane. There was no place more suitable than directly entering this underground cave.
The group went deeper, but there wasn't the slightest feeling of suffocation. The air mixed with mana was still flowing here.
After entering the deeper part of the cave, the group of people were immediately stunned. The walls of the cave were inlaid with large and small crystals. These crystals emitted a faint, gentle light, and a rich aura of mana lingered around these crystals. On the ground and above them, there were also a lot of sparse crystals exposed from the rocks. After entering this place, the aura of mana instantly became a bit stronger.
Max moved the fastest. As a mage who had fused with the Crystal Monster Bloodline, he was the most sensitive to crystals. When he landed on the ground, he appeared beside a blue crystal that was half exposed.
"Heavens, Mana Stones! Those are terrifyingly pure Mana Stones! How could there be Mana Stones of such high purity? This is impossible! Theoretically speaking, there shouldn't be Mana Stones of such high purity. These are naturally formed Mana Stones that haven't been purified. How is this possible? And so many of them …"
Max lost his composure. This cave was more than two thousand meters wide and three hundred meters high. Just by looking at the naked eye, he could already see thousands of these Mana Crystals. The smallest was the size of a fist, while the largest was half a meter high. Moreover, these were the exposed parts of the walls. Their true size was at least twice as big as this. Moreover, there were probably more of these Mana Crystals inside the walls.
After all, mana crystals had many uses. Large-scale alchemy machinery, large-scale mana reactors, mana crystal cannons, some Magic Tools that didn't need mana input, and even magic staves could use mana crystals.
Moreover, the purer the mana crystal, the more useful it was. It was a lot more precious than the mana crystals produced by magic beasts. Most mana crystals produced by magic beasts had an obvious elemental focus, and it was very difficult for the power inside to be pure. Only some special magic beasts' mana crystals had a single type of pure mana, and that was the most valuable.
On the other hand, Mana Crystals were mostly made up of pure Mana, so they had a wide range of uses, far more than the Mana Crystals produced by Magical Beasts. Mana Crystals with pure Mana could even be directly absorbed by mages to recover Mana and assist in meditation, so they could gush out a lot.
The mana crystals here were terrifyingly pure. If they were excavated, they would definitely be more useful than purple golds in Noscent. Using this kind of pure mana crystal could definitely be exchanged for anything one wanted.
Lin Yun coldly watched from the side, not saying anything.
According to the records, the cave entrance just now was discovered by accident a few decades after the plane was officially developed. Going down from here, the underground caves would become accessible in all directions. Those maze-like tunnels could almost extend to all parts of the underground of this plane, just like natural mine tunnels.
Moreover, those weren't mana crystals, but high-purity mana crystals, just like the mana crystals found in the Demiplane. The two were almost the same, but the quality of these mana crystals was a bit inferior, between mana crystals and mana crystals.
Mana Crystals were pure Mana that had been compressed and condensed to form a stable crystallization. Mana Crystals, on the other hand, were slightly inferior. They were crystals with extremely high purity. Mana condensed inside, and eventually, the Mana Crystals would slowly expel the crystallized part of the crystal.
Mana crystals …
'Haha, that's only the lowest grade. Noscent can only produce mana crystals, and higher grade mana crystals are rarely seen. Even if you dig up a large mana crystal vein, there might not be many mana crystals inside, and they would only be regarded as relatively pure mana crystals.'
'How could Max and the others know the difference between the three?'
Lin Yun didn't explain. These things were originally mana crystals, and as mana crystallized more and more within the crystals, they would eventually expel the crystal's substance and become pure mana crystals. The two didn't seem to have much difference, but there was a huge difference when used.
The main fuel consumed by the mana reactor of a magic battleship was mana crystals, and the best was mana crystals. And all the veins nurtured here could meet the requirements of the magic battleships.
After coming to this plane, apart from gaining control over the material production plane, the most important thing was that there were almost no ore veins here. The underground ore veins only produced Mana Crystals, Mana Crystals, or something in between.
This was the fuel needed for magic battleships. As the research on magic battleships became more and more perfect, they might even be able to form a magic battleship fleet, which would require a huge amount of mana crystals. Using the purest mana crystals in the Demiplane as fuel for magic battleships was too extravagant, and the quantity was too little.
Lin Yun's expression was indifferent as he looked at these mana crystals. Apart from already knowing, the most important thing was that there were too few mana crystals here. The biggest one was only half a meter tall, and most of them were the size of a fist. Such a big cave, yet there were so few of them, it was truly unworthy of his attention.
"What a fertile plane. There are so many mana crystals of such high purity, and they're so big. Even the smallest one is the size of a fist. Look at this one, it's half a meter tall. Oh no, heavens, it's almost a meter tall …"
Max personally dug out the half-meter-tall Mana Crystal. He looked at the Mana Crystal that was emitting a faint blue glow as if he was looking at a rare treasure.
He then used a spell to examine it a few times before smiling and putting away the largest mana crystal. After putting it away, he seemed to recall something and awkwardly looked at Lin Yun.
"Lord Merlin, this … This mana crystal is very important to me, the mana inside is very pure, it's very suitable for me, I'll take it first. Lord Merlin, there are still so many mana crystals here, you can take them as you see fit …"
After putting away the largest mana crystal, Max became a lot more magnanimous.
Lin Yun had an indifferent expression, he simply didn't feel like bickering with Max. It was only a half-meter-big mana crystal, yet he was already so excited. If he saw a few dozen meters of pure mana crystals, wouldn't he explode from excitement?
"Alright, Sir Max, if you like it, you can take it. If you like the mana crystals here, you can collect them yourself. Just don't destroy the structure of the cave.
Xiuban, Reina, if you like it, you can also dig some. "
Hearing Lin Yun's words, Max's subordinates couldn't help themselves. Sunny and Sheldon, the two guys who didn't like Lin Yun's group, also went to dig for mana crystals.
Xiuban grinned, disdain visible on his face.
'A bunch of idiots, Uncle Xiuban has seen better things. The best things in Sir Merlin's Demiplane are casually thrown into the lake, he simply doesn't feel like picking them up. Would Uncle Xiuban personally take action for these trash? 'Truly a bunch of country bumpkins that haven't seen the world. Look at them, they are actually using mages to mine?'
Reina didn't even glance at those mana crystals. She had seen too many of them. In Lin Yun's Demiplane, mana crystals were laid at the bottom of the mana lake as pebbles.
In Noscent, a fingernail-sized piece of Eternal Dark Gold could make two Heaven Rank powerhouses fight over it, but it was treated as trash in the Demiplane and was buried all over the Demiplane. How could someone that had seen the world care about these mana crystals?
But Shawn seemed to be very interested. He grinned as he looked at those mana crystals. When his mana was almost exhausted, he kept eating mana crystals. Later, he ate mana crystals, and he even ate the mana crystals in Lin Yun's Demiplane. Now, he was purely gluttonous. Eating them wouldn't have such obvious benefits, but devouring these mana crystals could also slowly increase his level.
In the Demiplane, it was impossible for Shawn to wantonly devour mana crystals. There was a fixed amount of rations every month, and it depended on Lin Yun's mood.
'Damnit, although the quality of these mana crystals can't compare to mana crystals, how could they be better than magic beasts' mana crystals? Those mana crystals with the stench of magic beasts are really unpalatable …
'But I can't dig them myself. Merlin didn't let me do it, he must be guarding against those idiots transplanted with the bloodline of a variant lifeform …'
Shawn's eyes turned as he jumped onto Xiuban's shoulder.
"Xiuban, how does Lord Shawn usually treat you? When Syudos bullies you, I always help you. When Lord Merlin wants to beat you up, I also tipped you off many times. Shouldn't you repay me?"
Xiuban looked at Shawn with a blank expression.
"When? "How come I don't remember? I remember that you stole a roasted beast leg from me last time, and you stole a potion from me the day before that. And the day before that, when Sir Merlin was beating me up, you were speaking ill of him …"
Xiuban frowned and counted with his fingers. After counting a few times, he felt a headache coming on, as if he didn't know how many times he had counted.
Shawn looked at the Crown of Thorns' people, who were unceremoniously digging away all the mana crystals, and suddenly became anxious.
"Idiot, don't mind these details, don't count, help me dig these … Hmm, crystals, a Health Potion as payment!"
Xiuban grinned as he ridiculed Shawn.
"Do you think I'm stupid …"
"Two potions, no more!"
"Deal!"
After reaching an agreement, Xiuban grinned and started excavating those mana crystals. Xiuban's monstrous body was extremely violent when digging. His palm directly pierced into the rock as if it was sand. He easily dug out a whole piece of mana crystal before continuing to dig for other mana crystals.
As he dug, Xiuban grinned, looking at Shawn from time to time as if he was looking at an idiot.
'That idiot Shawn is truly frighteningly stupid, as stupid as these country bumpkins. These broken rocks are used as decorations by Lord Merlin, yet Shawn is actually using two Health Potions in exchange. Really, ever since Shawn grew three eyes, he has become a lot more stupid, maybe his head was crushed. Last time, he was even taught a lesson by Lord Merlin, does he really think I'm stupid? Even Lord Merlin doesn't like something, how could the great Lord Xiuban like it?
'Forget it, I only collected a dozen of Lord Merlin's Health Potions, a bit more is good, two Health Potions, that idiot Shawn …'
After a dozen minutes, all the exposed mana crystals in the cave had been dug out. Seventy to eighty percent of the mana crystals had been dug out by the Crown of Thorns, while Xiuban had dug out 20% on his own.
They hadn't been exploring for long, yet they had already obtained such a huge benefit. Everyone from the Crown of Thorns was in a very good mood. Even Sang Ni and Sheldon felt that Lin Yun's group was a lot more pleasing to the eyes.
After digging, Lin Yun led the way and kept moving forward. Apart from the newly dug hole at the top of the cave, there were four or five large passages. Lin Yun chose one that clearly led downwards and kept moving forward.
After walking through these winding passages for a dozen minutes, they once again appeared in a cave. This cave wasn't big, it was only a few dozen meters tall, over a kilometer long, and two to three hundred meters wide. The radiance within this cave was even more intense than the previous one, and the mana crystals on the walls were piled up like blossoming crystal flowers. The density of the mana crystals was a lot higher than in the previous cave, and the size was even larger. There was even a huge mana crystal that was three meters tall.
Seeing so many mana crystals, the Crown of Thorns' people were stunned. A flash of understanding appeared on Max's face as he stealthily glanced at the calm Lin Yun.
Mafa Merlin already knew about this, he already knew that there were many such veins here, and a lot of them. The deeper they went, the higher the purity of the mana crystals they encountered, and the bigger they were. Since there were better ones, he definitely wouldn't care about the ones they had encountered before.
Max pondered for a moment and understood a lot of problems. Although the mana crystals in front of them were better and larger, Max didn't have the intention to excavate them. After all, these mana crystals were here, and they could be excavated at any time. The most important thing now was to investigate.
Just as the group entered the cave, Lin Yun suddenly frowned. There was a faint rustling sound in his ears, as if his ears were ringing.
"Rock Camouflage, Aura Fusion, have you mastered it?"
Lin Yun suddenly looked at one of the Warlocks with Bloodline Transplants. This guy's skin was cyan like a rock, and the veins on the surface of his skin looked more like granite. His hands seemed to be made of limestone, just like the hands of a Rock Puppet.
This was a Warlock who had fused with the Rock Giant's bloodline. Some of the Rock Giant's abilities would be fused with the human bloodline after the Bloodline Transplant.
Lin Yun exposed the special ability of that Warlock with a Bloodline Transplant. Light flickered in Max's crystal eyes as he nodded at that Warlock with a Bloodline Transplant.
"I've mastered it, Lord Merlin."
The surrounding people were somewhat puzzled, even Max was a bit puzzled. Why did Lin Yun suddenly ask this?
At this time, the rustling sound became louder and louder. Everyone felt a trace of strange fluctuations appearing in the cave, like soul fluctuations, but also like mana fluctuations.
Lin Yun raised his head to look at the dozen passages around the cave and frowned.
"Release Rock Camouflage and Aura Fusion, hide all of us, and fuse our auras with the surroundings. Otherwise, we'll be in big trouble."
Lin Yun didn't have time to finish his sentence before the rustling sound echoed in everyone's ears. It was very clear.
Max nodded, and the group walked to a corner of the cave. The Warlock with the Rock Giant's bloodline released a bit of mana, and the rock behind him slowly caved in, forming a 20-meter-wide and 4-meter-deep depression. After the group entered the depression, a layer of cyan light shrouded the depression.
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