Lu Qing'an smiled and said, "Then listen to Uncle Lan and use this formation to exchange for the immortal medicine. As for the price of this teleportation formation on the human side, it is 100 million immortal stones. I can give you a 30% discount, so it will be 70 million immortal stones. How about that?"

Upon hearing this, Lan Yanhao quickly calculated in his mind that 70 million immortal stones for a teleportation array of this level was actually acceptable. Moreover, this thing could be used continuously. Unlike immortal medicine, it could be continued to be cultivated even if the immortal medicine was gone.

"Okay! Let's do as you say, Xiaowu!" Lan Yanhao said with a smile.

At this time, Lan Yun and Lan Wangji were both studying the teleportation array. In fact, not long ago, Lan Wangji saw Lu Qingan setting up a super long-distance teleportation array in the secret realm. Maybe Lu Qingan was in a hurry at the time, or there were some restrictions, so the array he set up was not as exquisite and detailed as this teleportation array.

However, at that time he also discovered that the teleportation array arranged by Lu Qing'an was a bit special, but he did not expect that this kid had such an exquisite teleportation array.

He roughly studied it and found that Lu Qing'an had used a special method to hide the structure of this formation. He could not see the overly detailed structure, but just from some small details, he could tell that this formation could be said to have utilized the formation to the extreme and was perfect.

The internal structure of the formation is definitely something that any formation master would like to explore. However, he also knows that Lu Qing'an would never teach him such a formation. After all, Lu Qing'an also has to rely on this formation to earn immortal stones and then exchange them for immortal medicine.

After studying the formation, Lan Yun was also shocked by Lu Qing'an's formation. She could never imagine that a formation master could use the formation to such a perfect level.

This is the state she has always dreamed of!

Unexpectedly, I saw it today!

And this person is not only like this in formation, but also in alchemy!

She couldn't help but look at Lu Qing'an a few more times and found that Lu Qing'an seemed to be even more handsome than before.

After Lu Qing'an and Lan Yanhao agreed on the price details, he took out the teleportation array he had set up some time ago and prepared to exchange it for a batch of elixirs.

"Uncle Lan, there are fifty teleportation arrays here. If each one costs 70 million immortal stones, that's 3.5 billion immortal stones. Just prepare any immortal medicine of that price for me. It can be high-grade or low-grade, but don't give it to me below the fifth rank."

He has now begun to sympathize with Xiao Heizi's family and exchanged them for more high-grade elixirs so that they can burn faster. Moreover, he has now given Black Dragon a task, which is to start preparing for the second birth!

One litter is not enough, it would be best to give birth to more than ten or twenty of them!

First, the black dragon's child can burn elixirs for him, and more dragons mean greater power, which can help him gain a longer lifespan.

Secondly, these are dragons of pure blood. When they develop, they can also be a considerable combat force. When the time comes to fight someone, he can just lead a group of dragons to kill them, and the lineup will be full.

Lan Yanhao smiled and said, "Okay! I'll have someone prepare it right away!"

Lu Qing'an suddenly said, "Uncle Lan, can I go with you to visit the place where the Lan family cultivates immortal medicine?"

If possible, he would also grow some elixirs himself and cultivate them in large quantities in the future.

"What's the big deal? Let's go together!"

Lan Yanhao stood up, the smile on his face never disappearing.

So, the group left the hall and flew towards the Lan family.

Not long after, Lu Qingan and his companions flew to the back mountain of the Lan family, and here, Lu Qingan saw the scene that he had dreamed of seeing.

A large area, full of magical medicines!!

The distance between each immortal medicine is not far, only two or three square meters. This is contrary to what Lu Qing'an knows, because in his understanding, if immortal medicine wants to survive better and grow stronger, it is unlikely that other immortal medicines will appear nearby. The Fire Clan obviously has some special technology that eliminates this difficulty.

"Wait, this scene seems familiar." Lu Qing'an suddenly thought of something and had a strange expression on his face.

He had seen this scene before, in the Enze Fairyland within the Particle Secret Realm. At the time, he had thought it might be fake, believing that immortal medicine couldn't be cultivated on such a large scale and in such close proximity. Now, he couldn't help but wonder if the immortal medicine in the Enze Fairyland had come from a dubious source, stolen from the Fire Clan...

If this is true, then the person who created the particle secret realm array must be a super talent...

Lu Qing'an didn't tell Lan Yanhao about the Particle Secret Realm, for fear that his guess was correct, and Lan Yanhao would be furious after hearing it. It was unnecessary for Lu Qing'an to offend Lan Yanhao.

He continued to observe these immortal medicines, his eyes fell on the soil in the immortal field, and found that these soils were not simple soils, these soils were black. At first glance, he thought it was the modern black soil, but soon, he found that these soils changed color and turned red, and then almost every three breaths, the color of the soil would change to the next color.

He counted them and found that there were ten colors in total.

"Uncle Lan, are these soils unique to the Fire Clan? The fact that the elixir can grow so well is probably related to these soils, right?" Lu Qing'an asked tentatively.

Lan Yanhao smiled and said, "This kind of soil is indeed only found in the Fire Tribe, but the quantity is not large. Nowadays, this soil is almost entirely controlled by the major powers. Occasionally, some ancient secret realms appear, and perhaps it can still be obtained there. As for the growth of immortal medicines, it is naturally related to this soil. You see, immortal medicines can be grown so densely, which is inseparable from this soil."

Upon hearing this, Lu Qing'an secretly took note of it in his heart. If he encountered this kind of soil, he would collect it and plant elixirs in the Particle Secret Realm.

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