Chapter 901 Spiritual Vein

"You get an energy crystal (level 4), trigger a hundred times reward, and you get an energy crystal (level 6)."

The sound of the system being upgraded has disappeared, but Xiao Han still stood motionless, the ecstasy in his eyes uncontrollably revealed.

It wasn't until a while later that he bent down and picked up the spar on the ground. When he was sure that it was a level 6 energy spar, he said blankly: "I'll go, is it possible that this is a spiritual vein?"

Although I couldn't believe my eyes, the energy crystal in my hand couldn't be faked.

Logically speaking, he wouldn't be so excited.

But when the energy crystal is upgraded from level three to level four, the meaning behind it is completely different.

The length of the vein is more than 500 meters, and the crystals produced are below grade three, which means that this is a complete vein.

But if a fourth-level energy crystal is dug out from its depths, the quality of the energy crystal vein in front of you may reach the level of spiritual veins.

Even though its length is less than three thousand meters, it has not yet reached the standard of spiritual veins.

But since the fourth-level crystal was born inside it, it is possible to go further, and it is also possible to eventually grow into a spiritual vein.

"Spiritual veins!"

After saying something with emotion, Xiao Han whispered softly: "If I build the city in this place, I don't know if I can manifest it together."

"I heard that in Tianshui City, north of Kyoto, the reason why evolved people have a very high probability of appearing is because there is a ground line there."

"This is a higher-level spiritual vein. Once it is successfully manifested, the proportion of evolvers appearing in Jingan City will explode!"

Saying this, Xiao Han stood there and thought for a while, then continued softly: "If I want to build a city here, I must first figure out the general shape of this spiritual vein."

"Spiritual veins are also a type of soil, and it should be possible to manifest them."

"But before that, I have to figure out its size and general direction. At least it must be completely wrapped in a city."

With such an idea popping up in his mind, Xiao Han's face became even more excited, and he immediately got up and ran in the direction he came from.

It took less than ten seconds to cover a distance of several hundred meters.

Standing at the gap less than half a meter in diameter, he immediately waved the mining shovel in his hand and started digging upward along the black granite wall.

when! when! when!

Amidst the crisp knocking sound, a cave winding upward soon appeared behind him.

I don't know how much time passed, but Xiao Han suddenly discovered that the energy crystal he picked up from the ground could no longer be stored in the space ring.

"Let me go, are all the space rings filled?"

Muttering in his heart, Xiao Han turned to look behind him and whispered softly: "Although the digging is not a straight line, it is at least three or four thousand meters."

"This vein seems to be a lump, not a linear one!"

"How long will it take if I dig alone like this? I have to call in some people to figure out the shape of this vein as soon as possible."

"But there are no advanced underwater breathing agents for sale outside. Even if they come, they probably won't be able to get in."

After lowering his head and thinking for a while, Xiao Han immediately sent a message to Bayin, asking him to help purchase materials for refining underwater breathing potions.

In the Wandan Code, there are also recipes for underwater breathing potions, and there are even more advanced water-avoiding pills.

It's just that when I was in Stormwind City, I didn't have any need for this thing, so I never considered refining it.

Now!

Since we have planned to build a city here, we definitely need to refine it.

After all, this is the bottom of the sea, or the bottom of the sea several kilometers above the ground. If the hole he dug, seawater would pour in.

By then, none of the players who have built a city here will survive.

So it is very necessary to make some preparations in advance.

"bite!"

At this moment, there was a soft sound in his ears, and Bayin's message came back. Xiao Han opened it and took a look, frowned and muttered: "Does it take more than two hours to run here?"

Thinking that no one would be able to get through for a while, he seemed a little depressed.

But when I thought that this was Qianxi Island, with not only more than ten kilometers of land routes, but also several kilometers of water routes, I immediately felt relieved.

"Since it still takes a while, let's keep digging!"

After muttering softly, Xiao Han continued to wield the explosive ore crushing shovel of the spiritual weapon level and began to dig quickly.

when! when! when!

Amidst the knocking sounds, the level 5 energy crystals that were dug out were almost spread all over the ground.

But at this time, the space rings have been filled up. Even though it is a pity, there is nothing that can be done.

Along the black granite wall, a 45-degree slope winding upward slowly takes shape.

when! when! when!

I don't know how much time has passed, but Xiao Han is still wielding the explosive ore crushing shovel, and even the passage behind him is blocked by the fallen fifth-level energy crystals.

Maybe thirty minutes, maybe an hour...

Click!

Suddenly a soft sound came, and Xiao Han was stunned for a moment, holding a torch and looking forward.

"Is it finally over?"

As he said this, he waved the mining shovel in his hand again, hitting it with a few "dang-dang" sounds.

The bowl-sized hole in front of him was quickly expanded to more than one person high.

After kicking the level 5 energy crystal on the ground aside, Xiao Han immediately got out of the hole, holding a torch and looking around.

The wall made of black granite was still extending upwards. With the brightness of the torch alone, the end could not be seen for the time being.

There was nothing else around, and the ground was all paved with energy crystals.

"Let's go around first and see how big this place is. If the side length can be 40,000 meters, build the city here!"

Thinking that if the spirit vein could be materialized, Xiao Han was even more excited, and immediately ran quickly along the black granite wall.

Although the vision was not very good, his speed was not slow at all.

Every kilometer or so along the way, a torch would be placed to measure the circumference of this place.

But in just a few minutes, he returned to the starting point.

"There are 36 torches in total, and the circumference is about 36,000 meters."

After calculating silently in his mind, Xiao Han continued: "Although it is not enough forty thousand, it should be close."

"Hey, I put thirty or forty torches, why can I only see less than ten now?"

The light source of the torches, although the distance of illumination is not too far, can still be seen even if it is a thousand meters away, as long as there is nothing blocking it.

But now, there are only eight flames that can be seen.

Thinking that there might be something in the middle, Xiao Han's eyes lit up slightly, and he immediately ran over quickly.

In less than thirty seconds, he saw a pillar with a diameter of more than five meters appear in front of him.

But strangely, this pillar was covered with dense dark yellow scales, and each scale was the size of a washbasin.