After the three of them agreed, they decisively carried out a simple ceremony and began to become sworn brothers.

Lu Qing'an discovered that the sworn brotherhood in the fairy world was simpler than the sworn brotherhood he knew. They just drank a few cups of wine together, said a few vows, and that was it.

He even suspected that these two people were trying to trick him. Isn't drinking the wedding wine a wedding ceremony?

After the successful sworn brotherhood, the three of them were also divided into different generations.

Lin Dan is the oldest and the boss.

King Qin Dan is slightly younger than King Lin Dan and is the second oldest.

Lu Qing'an is younger than Qin Danwang's apprentice Zhang Shitao, so he is the third oldest.

"Third brother, we will call you this from now on!" King Qin Dan hugged Lu Qing'an's shoulders and said with a smile.

"Okay, second brother." Lu Qing'an said with a smile.

King Qin Dan quickly realized that there was something wrong with this address, so he quickly said, "Forget it, I'll call you Third Brother."

"Boss, do you think there's something wrong with what I'm calling you?" Lu Qing'an looked at Lin Danwang with a smile.

"Haha, there's nothing wrong with calling him the third brother!" Lin Dan said with a smile.

"No, the second one doesn't sound good. Your eldest one sounds much better!" King Qin Dan's mouth twitched.

"Never mind, just call me like this from now on, and it shows that we have a good relationship. You, the second in command, have to listen to the eldest brother." Lin Dan said with a smile.

King Qin Dan: “…”

"It seems that there are exactly eight formations from the ancient times in the sect now. I will have someone bring them over and lend them to the third brother. Third brother, you must return them after you have comprehended them. After all, they are also sect items. It is okay for us to use them for a while. I will try my best to help you find other ones later." King Lin Dan patted Lu Qing'an on the shoulder. At first, he didn't think about lending Lu Qing'an one or two ancient formations from time to time when they became sworn brothers. Now that they are so close, he has to do his best.

Lu Qingan quickly bowed and said, "Thank you, Boss! Don't worry, I'll return it to you as soon as I'm done comprehending it!"

"I'll let Shi Tao bring it here." King Qin Dan directly took out the sound transmission treasure and sent a message to the disciples in the sect.

"Disciple, go tell the Sect Master that Old Lin and I need to use the sect's eight ancient formations for a while. Don't ask for the specific reason, we will return them to the sect later. Once you have them, come to the Linyou Teahouse immediately."

Not long after.

Zhang Shitao is here.

After entering the box, Zhang Shitao was stunned for a while.

Uh, why is Wu Ciren here? !

Like many others in the Immortal Realm, he had personally witnessed the Immortal Sword Sect's heroic feat of slaying a group of Dao Saint Realm peak powerhouses. Many believed that the Immortal Sword Sect was able to accomplish this feat because of Wu Ciren.

"Did you bring the formation?" King Qin Dan looked at his apprentice and asked with a smile.

"Master, the formations are all in here, would you like to take a look?" Zhang Shitao nodded and took out a storage ring.

"No need to show it to me, just give it to your uncle." King Qin Dan said.

Zhang Shitao: “???????”

Uncle Master?! What the hell!!

"Third brother, take a look." King Qin Dan said with a smile.

When Zhang Shitao heard this, he instantly understood what had happened here.

Could it be that they have become sworn brothers?!

Good job!

He and this kid were originally of the same generation, and he was even much older than Lu Qingan. Now, he was a generation older than him?!

"Let me see." Lu Qing'an took the storage ring from Zhang Shitao. After seeing the eight ancient formations inside, he nodded with satisfaction and looked at King Lin Dan and King Qin Dan and said, "Thank you, brothers!"

Zhang Shitao: “…”

......

In the combat power flow hall, in the training space.

Lu Qing'an controlled the consciousness puppet and returned to the sect. He came back to himself, took out the immortal stone and eight ancient formations he had obtained, and placed a book of secret techniques in front of him.

"The immortal stones I gained from selling six hundred eighth-grade immortal treasures, and the multicolored formation stones I made, are enough for me to set up quite a few large demon-hunting formations. Add in the two ancient formations He Hong lent me, and I have ten in total, which is enough for me to comprehend for a while."

"And this book on the secrets of alchemy! This trip was really worth it!"

He put away the immortal stone and the formation, and now his attention was entirely on the secret art of alchemy.

Taking a deep breath, he began to concentrate on reading the book on alchemy secrets.

"Wait, besides the cover being different, the paper quality is also different..."

As soon as Lu Qing'an opened the first page, he found the highlight.

He took out the two volumes of the alchemy manual he had exchanged from the Shouhuan Tower, and after comparing them carefully, he found that the paper quality of the alchemy manual in his hand was almost exactly the same as the other two.

"I have a feeling this was torn from the second volume of the Alchemy Manual..."

He put the matter behind him and continued to study.

As soon as he read it, he felt that a lot of time had passed quietly. After reading it, he carefully compared the time and found that two months had passed!

"So this is the only way to reach the level of alchemy that a Dan Emperor can reach!"

Trying to make two pills from one elixir was not what he expected.

He originally thought that in order to achieve this unconventional method, like the formation, he would need to comprehend something like the Heavenly Dao Dan Pattern related to alchemy.

"To reach that level, the research point is in the immortal medicine. We have to study the structure of the medicinal power clearly. How is it similar to the molecular structure in modern science?"

The secret method given to him by King Lin Dan allows him to learn a special secret method that allows his eyes to observe the subtle structural changes when the medicinal power of the elixir flows.

After learning this secret method, he only had to do one thing, which was to calmly and attentively study various kinds of elixirs. He could burn elixirs, cut elixirs, and plant elixirs.

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