The four randomly chose a mine tunnel and went down. It was initially narrow enough for one person, but after descending dozens of meters, it suddenly opened up. A huge mine shone with gleaming treasure light in front of the four. It was like a natural treasure palace.

Kang Guangwen said, "It seems that this place used to be a gathering place for spirit stones, which attracted everyone to drill for them. Over time, this place was dug into such a large mine."

Shu Han nodded and asked his most concerning question, "Brother Kang, you once said that there are traces of top-grade spirit stones in this vein. How do we distinguish them?"

Kang Guangwen said, "It's actually easy to distinguish. Spirit stones are divided into five elements. The wood element spirit stones are green, and the fire element spirit stones are red. But top-grade spirit stones are different, they contain the complete power of the five elements, so the trace left behind is a five-color aura. As long as you find the five-color trace in the mine, it is left by the top-grade spirit stones!"

So that's how it is.

Kang Guangwen continued, "Let's not talk about this for now, let's first dig up the spirit stones for each of us, and then talk about finding top-grade spirit stones."

Shu Han was nonchalant. What he was most concerned about was the trace of the top-grade spirit stone. As for the lower-grade spirit stones, he could have as many as he wanted, why would he bother to dig them himself? But in order to conceal his intentions, he still followed Kang Guangwen and the others to the deepest mine tunnel.

There were narrow and wide mine tunnels here, countless large mines were distributed in them, and there were crossroads everywhere. Every time the four of them came to a place, they had to check the map and distinguish the route. After a full day of shuttling in the mine tunnel, they finally arrived at the bottom of the mine tunnel.

This place was rarely trodden, and the spiritual energy was a bit richer, but the visibility began to plunge into darkness. Except for the occasional faint light in the stone walls, it was pitch black at all other times. It has to be said that walking in the vein was indeed suffering.

Half of the time, Shu Han was crouching. If it weren't for searching for the spiritual energy left by the top-grade spirit stone, he wouldn't want to stay in this mine for long.

The four came to a fork, and Kang Guangwen suggested, "The undeveloped mine tunnel is ahead, which is even narrower. It is not conducive for us four to collect spirit stones together. So, I'll take Shu Han, Xie, you take Lin, and we'll dig separately."

So, Shu Han followed Kang Guangwen into a narrow mine tunnel. The two of them held moonlight stones and groped forward. After about a few hundred steps, they came to the end of the mine tunnel.

Kang Guangwen took out a pickaxe from his storage bag and said, "Brother Shu Han, this spirit stone ore is very hard, and we need to constantly drive the pickaxe with magic power to effectively drill it. But this pickaxe consumes a lot of magic power, so let's take turns drilling. In case of any problem, we won't be completely drained of spiritual power."

"Alright, we'll go with Brother Kang's plan."

So the two of them began to work in turns. The pickaxe indeed consumed a lot of magic power, but in front of Shu Han, this consumption was not worth mentioning. The two of them worked extremely quickly by alternating.

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In less than a day, they had drilled hundreds of meters and mined forty-eight lower-grade spirit stones.

Kang Guangwen couldn't help but laugh with joy, "Brother Shu Han, it seems we really made the right choice with this mine tunnel! To actually produce so many spirit stones, it far exceeds my imagination!"

Shu Han laughed along, but Kang Guangwen didn't know that more than half of the spirit stones were secretly taken out from Shu Han's storage bag.

Shu Han thought about quickly completing this spirit stone drilling task so that Kang Guangwen could lead him to find the traces of top-grade spirit stones.

On the other hand, Xie Ming's drilling was also going smoothly, and they managed to obtain twenty-nine spirit stones.

In this way, the seven days passed slowly.

Shu Han had already collected more than two hundred spirit stones, but Kang Guangwen felt that they had hit a major vein, and he was unwilling to leave the mine, seemingly forgetting about finding top-grade spirit stones.

This stunned Shu Han, and he regretted he had thrown out too many spirit stones. He didn't understand why Kang Guangwen cared so much about stones that were going to be handed over and weren't even his.

He urged Kang Guangwen from time to time. Kang Guangwen helplessly said, "We're almost done on this side, but Xie hasn't responded yet. If you can't stand the mining life, go help them. Once they've collected enough, come and find me."

So, Shu Han retraced his steps back to Xie Ming's side. Their progress wasn't as smooth as Shu Han's side, and Lin Wenguang, with his seventh-level Qi Refining, was extremely tired. With Shu Han's "help", they also miraculously drilled many spirit stones in a short time. Within three days, they had collected their share.

Shu Han brought the news back to Kang Guangwen's mine and saw Kang Guangwen, dirty and displeased. It turned out that after Shu Han left, the spirit mine didn't produce many spirit stones. He had been drilling alone for three days and had gained nothing!

"Brother Shu Han, you might have better luck than me. You drill again. After this round, we'll leave, okay?"

Shu Han, reluctantly, picked up the pickaxe and began to drill, while Kang Guangwen began to regain his spiritual energy.

………

On Xie Ming's side, Lin Wenguang was very obedient to Xie Ming's words and continued to drill diligently.

Xie Ming finished restoring his energy and waved his hand, "Alright, brother, take a break. We're almost there."

Lin Wenguang wiped the sweat bead from his forehead and smiled at Xie Ming under the dim light, "It's okay, Brother Xie, I'm not tired!"

Xie Ming laughed heartily, "Who's not tired? Mining is the most exhausting work. It's not only tiring but also dangerous. For these few spirit stones, it's simply sucking our blood!"

Lin Wenguang laughed, "I would be satisfied with ten spirit stones."

Xie Ming joked, "If you're so keen to earn spirit stones, what are you going to do with them once you get them?"

Lin Guangwen scratched his gray head and chuckled awkwardly, "Not to hide from you, Brother, I have a cultivation partner back home. I plan to earn some spirit stones and give half to her for cultivation."

Xie Ming couldn't help but laugh, "Ah, a romantic! Tell me, did you cultivate together?"

Lin Guangwen's face turned red, "When I return, we will..."

Under the dim light, Xie Ming's face broke into a sly smile, "Miss her?"

"Yes... How can I not..."

Xie Ming's voice was faint, "How about I send you home to see your wife today?"

Lin Wenguang blushed and gave a shy smile, "Brother, stop kidding! My home is at least half a month's journey from here."

"What joke? Look who's behind you!"

Lin Guangwen followed the sound and looked, then suddenly felt a chill at the back of his head, and fell heavily into the mine tunnel.

Xie Ming's smile turned grim as he took out a bunch of azure space crystals from his storage bag.

"Sorry, Brother. When I meet your cultivation partner, I will take good care of her."

After saying that, he slammed the space crystals into Lin Guangwen's corpse. The faint blue light flickered in the dark mine.

After about half a day, Xie Ming wiped the sweat off his forehead and emptied all the spirit stones they had mined in these days from his storage bag. He took one and placed it on the Dantian of Lin Guangwen's corpse.

Swish!

The spirit stone actually directly entered Lin Guangwen's Dantian, and his body seemed like a storage bag.

Xie Ming began methodically to insert the spirit stones, one by one, into Lin Guangwen's corpse.