And just when Qin Fan moved the iron box away, what they didn't notice was.

At this time, in the center of this vein, there were faint black lights constantly flickering, like stars, exuding a special aura.

"Is it obsidian?"

Seeing this, Qin Fan couldn't help but be surprised in his heart, he didn't expect that today's action would be unexpected.

You must know that these obsidian are a rare mineral resource, which is extremely rare in Datang China.

It's a material that's harder than steel, and even if a sword slashes it, it won't leave a mark.

Not to mention the slashing, it is simply extremely strong and invulnerable.

Qin Fan watched from the sidelines, his eyes showing a fiery color, and the thought that he could use obsidian to forge weapons, that feeling was really wonderful, and it made him feel excited.

But it soon occurred to him that he didn't have so much obsidian on his body now, so he could only endure it for the time being.

The guards behind him didn't know how precious the obsidian was.

He was still frantically carrying the iron box of this vein, hoping to get some benefits from these obsidians.

"If we keep going, we might be able to find some veins of gold, maybe there's what I need."

Qin Fan continued to explore ahead, a look of excitement on his face.

It wasn't long before he finally discovered that in the depths of this obsidian, there was a faint smell of gold ore veins coming out, which made people feel extremely excited.

And on top of the deep black rock wall, there are some holes, obviously these holes are some years old.

Qin Fan walked to the entrance of those caves, looking at the entrance, and couldn't help but have a smile on his face.

"These holes are supposed to be the entrances to the gold veins, and it seems that my luck is really good."

Thinking of this, the corners of Qin Fan's mouth also raised an arc, and his eyes were full of confidence and smile.

Then he stepped into the caverns with a group of guards.

Soon they were in a dark cavern.

The cave was surrounded by dense vegetation that obscured their view.

"Hey, this is..."

Suddenly, Qin Fan's pupils shrank.

I saw that in the depths of this cave, he found a lot of strange things.

Those strange things, all kinds of strange stones.

These stones are very strange, and some of them are transparent.

There are some stones, but some are shiny, and some are pitch black.

These strange stones were engraved with some words that Qin Fan couldn't understand at all, which made his mind involuntarily think of some ancient and mysterious languages.

"Could it be..."

Qin Fan's heart suddenly moved when he thought of this.

"Could these strange stones be ancient characters?"

Thinking of this, Qin Fan's heart swelled with excitement.

This ancient script is very important to him.

Although now his level of ancient literature has reached the level of a master, he can barely read some words.

However, he didn't know anything about these ancient characters, and he didn't know anything at all.

If you have ancient texts in hand, you may be able to help you answer these questions.

"Pick up those rocks, I'd like to see them."

Qin Fan shouted to his guards, asking them to go over and collect all those strange stones.

Hearing this, everyone did not dare to slack off, and hurriedly collected all those stones.

And Qin Fan was holding a stone, and suddenly a strange message was transmitted and entered his mind.

"These ancient texts don't seem to belong to this era, who carved them

Whoever goes up."

After Qin Fan saw these ancient words, his heart was also shocked.

"It seems that these stones do have some value."

Qin Fan secretly said in his heart: "And I don't know the words on these stones, but they should have something to do with this vein."

Of course, Qin Fan was just guessing.

He didn't know what this place was, but he could guess that this should be a site somewhere in the Tang Empire.

And there are a lot of ancient writings here, which makes him a little curious, who set up this site here?

However, he didn't have time to think about it now, because the guards had already brought the iron boxes back.

"Carry these iron boxes into the cave."

Qin Fan opened his mouth and said.

At that moment, a group of guards moved the iron box into it.

These iron boxes contain all kinds of rare mineral deposits.

It also includes various deposits of various minerals such as some obsidian, some silver, some gold, etc.

Seeing such a scene, he couldn't help but be very happy in his heart.

However, he did not rush to open these iron boxes, but first summoned some of the guards around him and asked them to wait around to prevent anyone from approaching.

After doing these things, he carefully opened the iron box and took out some of the rare materials in it.

He memorized all the types of ores before putting them into his spatial ring.

These ores are so useful to him, whether it is to build warships or make weapons, these ores are definitely first-class treasures, and they are invaluable.

After Qin Fan collected the ore, he began to look at the cave.

However, he watched carefully for a long time, and still had no clue.

"What to do, if you don't know the way here, I'm afraid it's hard to take all the things out here."

Qin Fan's brows furrowed, and a trace of worry flashed in his eyes.

"No, I have to figure out a way."

After thinking about it for a while, Qin Fan decided to leave here first.

And he also wanted to figure out why there were so many secrets in this ancient vein.

"No matter."

Qin Fan shook his head, then turned around and walked out of the cave.

Outside, however, he was met by a guard.

"Brother Qin, when I went into the cave to search for minerals just now, I found that there seemed to be some strange things here, you can go with me to take a look."

Seeing Qin Fan walk out, the guard spoke, his face full of surprise.

"Oh? Is there anything about it?"

Hearing this news, Qin Fan's heart was also moved, and then he went to this mountain peak with this guard, and walked towards the peak.

The environment in this mountain peak is very eerie, and everywhere is desolate.

Qin Fan raised his eyes to look, but saw a group of soldiers in armor coming slowly.

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