Somewhere in the west of Fengyuan City, in a huge mansion.

Hu Xiaofei and Xiaoqing led the way in front, and Yang Zhen followed behind.

Yang Zhen became a guest and his status was high, and Hu Shouyi was also generous, and specially gave Yang Zhen a mansion compound.

The entire courtyard, covering an area of more than 100 acres before and after, dozens of rooms, has eight formations that prohibit control, and the immortal aura is strong, except for the place where Hu Xiaofei practiced, the immortal aura in other places in Hu Xiaofei's mansion is not as good as here.

"Brother Yang, this will be your courtyard in the future, if you want a slave servant, I can arrange it immediately, or you can buy it in the market by yourself, there are many scattered immortals, you can't make money, and you are willing to sell yourself for decades, or hundreds of years, in exchange for the opportunity of Xianjing and the Jin-level family. ”

What Hu Xiaofei said Yang Zhen knew in Zhongsheng City that some scattered immortals could not make money, so they could only be slaves in the family, because being a slave of the family not only did not have to experience danger outside, but also had the opportunity to become a child of the family.

"No, I'll bring it myself. Yang Zhen waved his hand and looked around, still quite satisfied.

The main place is in the center of the city, and it is very close to several large trading places, and Hu Shouyi deliberately chose such a convenient place for Yang Zhen, which is conducive to his practice of Dan.

Something less, you can go to the exchange to buy it is also convenient.

"It's just a pity, if you want to say that the best place to practice, it's still your secret room. Yang Zhen never forgot Hu Xiaofei's secret room, the immortal aura there was strong, otherwise Yang Zhen's strength would not have expanded so quickly.

"Hehe, Brother Yang likes it, you can come to me anytime in the future. Hu Xiaofei smiled happily.

"I can't go any further, I used more than 100 million immortal crystals from you after living for a year, hahaha. Yang Zhen said as he spoke, and suddenly his mind moved.

Now as soon as his golden pill comes out, he can automatically absorb the immortal qi, practice it himself, and then transform the immortal qi he has practiced into Yang Zhen's body, improving Yang Zhen's strength.

The better the place to practice, the faster Yang Zhen's speed will be.

If there is a vein full of high-grade immortal crystals, let Yang Zhen's Jindan practice in it, wouldn't it be twice the result with half the effort, and it will rise higher and higher.

"Brother Hu, do you know what kind of mineral veins are under Fengyuan City?" Yang Zhen said with a smile.

"What? Hu Xiaofei was in a hurry when he heard this, and knew that Yang Zhen wanted to attack the underground ore veins of Fengyuan City.

As mentioned earlier, every city in the fairy world is built on huge mineral veins, so as to ensure that there is a strong immortal energy in a city.

So what is the concept of a vein beneath a city?

Yang Zhen has encountered several mineral veins, one is the one that raises the green lotus, and the other is under Hu Xiaofei's Hu Mansion, all of which are just in a mountain.

And now a Fengyuan City, equivalent to the size of 100,000 or millions of ore veins, it can be seen how huge the ore veins below are, and how strong the immortal qi inside is.

"These cities are all built by the Immortal Realm, they do not belong to private individuals, they do not belong to the family, they belong to the private property of the Immortal Monarch, and the cities they are all built on the huge Immortal Crystal Vein. ”

"The bigger the city, the bigger the immortal crystal veins below, and the immortal crystals in the veins are not measured in billions, but in trillions. Hu Xiaofei said.

"Shhh Yang really gasped.

"Trillion to calculate?" "Here in the fairy world, a trillion is a trillion.

In other words, even in a small city like Zhongsheng City, the number of mineral vein immortal crystals below has reached more than one trillion.

No one has ever dared to dig these immortal crystal mines, nor can they dig them up, because there are formations or prohibitions arranged by the Immortal Monarch with supreme mana on the outside.

In the Immortal Monarch, there was a rule that no one could dig the veins underground in these cities, except during wartime.

During the war, only with the authorization of the Immortal Monarch can be excavated, if anyone digs without authorization and touches the prohibition, he will be forbidden to be killed, and the heavy will attract the masters of the Immortal Monarch to exterminate the Nine Clans.

"The immortal realm has existed for hundreds of millions of years, even if there are trillions, or even tens or hundreds of trillions of immortal crystals below, it has already been used up for such a long time, right?" Yang Zhen asked again.

He practiced in Hu Xiaofei's home for hundreds of years, and he practiced one-tenth of the mineral veins under him.

In every city in the fairy world, there are as few as a few million people and as many as billions of people, and no matter how many immortal crystals there are underground, the immortal energy will be used up.

Hu Xiaofei smiled: "Do you know why the fairy world is called a vein?"

It turned out that what Yang Zhen encountered before could only be regarded as mines, and under a mountain, a large number of immortal crystal mines appeared.

And the city of the fairy world is built on real mineral veins.

The so-called ore veins are like a river, and in the underground, they are liquid fairy crystals.

That is, this fairy crystal, like water, is liquid and can flow.

He forms a long river underground, and with the change of time, he can constantly evolve the surrounding rocks, transforming the rocks into immortal crystals, thus producing a steady stream of immortal crystals.

How did the fairy crystal come about? It was produced from the edge of the vein.

Therefore, every city in the fairy world is built on the mineral veins, and the mineral veins continue to produce immortal crystals, and the people in the city also consume immortal qi continuously, no matter how the cycle repeats, it is impossible for the immortal crystals under each city to be consumed cleanly.

Therefore, a city, even if there are billions of people absorbing immortal qi, can support it for a million years, as long as the veins below are large enough and strong enough.

Once this vein is dug up, millions or tens of millions of people in the entire city will also lose their place to practice.

Hu Xiaofei was afraid that Yang Zhen would go underground to mine veins, so he hurriedly explained to him.

After Yang Zhen listened, he suddenly realized, it turns out that under every city, there is a vein, okay, I understand, I won't dig it, it is the enemy of the immortals of the entire city, cutting off all the ways for immortals to practice, and challenging the majesty of the immortal monarch.

It's good that you know, Brother Yang, in a medium-sized city like our Fengyuan City, the ore veins below are at least second-level ore veins, and they maintain more than ten trillion medium-grade immortal crystals all year round, so that they can adhere to the cultivation of tens of millions of people in a city, if you dig it, it is equivalent to cutting off the way of life of tens of millions of people.

The three of them walked around Yang Zhenxin's house and exchanged for a while, and Hu Xiaofei said goodbye and left.

As soon as he left, Yang Zhen released a few Void Immortal-level Heavenly Demons from the Gate of Eternity.

Then a jade plaque was hung outside the compound with the words 'Yang Fu' written on it.

With the Heavenly Demon Servant and the hanging sign, Yang Zhen's home in the fairy world can be regarded as officially settling down.

Now he just wants to meditate and practice and improve his strength.

If there is a top-grade divine crystal, you will immediately have to reverse the time and practice hard.

However, there is no news from Lin Jiabao now, and Yang Zhen does not have a high-grade divine crystal in his hand.

He arranged a few more simple prohibitions in the Yang Mansion, returned to his room, and summoned Zhu Ruowu and Mao Shengguo.

"You two, take care of my home for me, if there is any movement, I will come back immediately. ”

"Master, where are you going?" the two of them were puzzled.

"I'm going to go underground and see what the veins beneath this Fengyuan City look like. Yang Zhen smiled.

"What? The master is going to dig up the ore veins? It's really dangerous, there was once a black immortal, who had practiced to the Holy Immortal, and wanted to dig the ore veins of a small city like Zhongsheng City, but he couldn't bear the prohibition above, the Immortal Monarch forbidden, not a joke. Zhu Ruowu immediately reminded.

"Of course I'm not going to mine veins, I'm just going to take a look and practice. Yang Zhen smiled mysteriously.

His golden pill can absorb immortal qi in the air, there is no need to dig up the ore vein, as long as he can find the ore vein, he can absorb a large amount of liquid immortal qi, that is amazing, it is definitely faster than any cultivation, and for the underground mineral vein of Fengyuan City, there is no dime, and it will not hurt the muscles and bones.

"Then be careful, master, if there is any situation, you will come back. "The two believers are sitting in the Yang Mansion, as long as someone comes, what they see in their eyes, Yang Zhen can also see in the underground.

"But the underground of the fairy world is extremely dangerous, master, how can you go down?" Mao Shengguo didn't understand.

"I'll try it first, I'm in the human world, and I've learned a supernatural power, and it's been useless for a long time. Yang Zhen's mind moved, recalling a magical power he had learned.

"Nine Hidden Arts"

This is what he learned from a god and demon back then, when he was in the Heavenly Emperor Continent, he often walked away, came and went like the wind, and was a necessary weapon for escaping.

Later, the opportunity to use it became less and less, and I didn't try it after I arrived in the fairy world.

The various structures of the immortal world are different from those in the human world, and many human supernatural powers cannot be used if they cannot be operated by immortal energy.

But Yang Zhen learned this from the gods and demons, just like his Buddhist supernatural powers, he can still use it in the immortal world.

"The gods and demons are in the wild, the dragon dives into the abyss, and the dragon bone demon fire is burning in the Nine Shadows-"

Whoosh, Yang Zhen's body shook and successfully evolved into a demonic fire.

The demon fire sank down violently, and when it fell to the ground, boom, the ground was full of golden light, Yang Zhen screamed 'ah', and appeared in front of Zhu Ruowu and Mao Shengguo with a disgraced face.

It looked like I was hitting my head on the ground.

"Master, are you alright? The two of them were in a hurry.

"It's okay, it's okay, there's a ban in the room, I'll go out and try. Yang Zhen was extremely embarrassed.

I originally wanted to be majestic, but I didn't expect to bump into the ban.

Every house in the fairy world has prohibitions, ranging from strength to weakness, Yang Zhen's house was given by Hu Shouyi, and it is relatively advanced, and all kinds of prohibitions are actually a bit powerful.

Yang Zhen walked out of the house depressedly, and then thought about it, walked a little farther and came to the middle of a garden.

"The gods and demons are in the wild, the dragon dives into the abyss, and the dragon bone demon fire is burning in the Nine Shadows-"

Whoosh, Yang Zhen turned into a demonic fire again, and slowly sank to the ground.

With the experience just now, Yang Zhen's movements also became gentle.

When the demonic fire touched the ground, Yang Zhen felt that the rocks on the ground were like a bend of clear water, and the demonic fire sank into it.

Whoosh, Yang Zhen saw the constant changes in front of him, and layers of rocks appeared in his eyes.

Did it go down? Did it really sink into the ground?

Yang Zhen was ecstatic.

This magical power can be used again in the fairy world.

However, he immediately discovered that this supernatural power sank into the ground very quickly when it was in the human world, and it could also escape for its life and throw off the enemy.

But in the fairy world, it doesn't work, and the sinking speed is very slow.

Just like ordinary people at the bottom of the river, when they dive, they are affected by resistance and their speed is slow.

Yang Zhen is not in a hurry, anyway, there is a lot of time, swishing, and constantly sinking.