He looked at the empty hall and realized that the hall he was in was very peculiar.

The surrounding bluestone walls are inlaid with pale white crystals, and under the reflection of the crystals, a thin layer of white sand appears on the ground.

If one looks up, they will see that the roof of this hall also has many white breasts hanging upside down.

These white pillars are densely packed all over the place, and it seems that most of this hall was built in the belly of the mountain.

There was a long passage in the corner of the hall, and Shen Luo saw that the hall was empty, so he just looked at it a few times and walked towards the inside of the passage.

The passage was not long, and after a dozen steps, a slightly larger room appeared at the end of the passage.

In addition to a long table in the room, there was also a short and thin old man standing at the table, looking at him happily.

Shen Luo saw that before this person could speak, the old man smiled and opened his mouth first: "This little friend, look at your face, it's the first time you've come here!" ”

Facing the old man who appeared in front of him, when Shen Luo first arrived here, he looked at him with his spiritual eye technique.

I found out that the old man was also an immortal cultivator in the foundation building period, facing the immortal cultivator in the foundation building period.

How dare he slack off, so he hurriedly saluted: "The junior has seen the master, and the disciple is indeed here for the first time. ”

"Oh, I see, I don't know why you're here." The old man said.

"Uncle Qiqi, the disciple wants to find some formula books related to pills and study the way of alchemy." Shen Luo explained his intentions.

"Huh? You're a little guy in the Qi refining period, it's a little too early to think about alchemy. ”

After the old man was shocked, he pointed to the staircase behind him and said, "The alchemy formula you want is there, just go up this staircase."

Shen Luo was overjoyed, and after thanking him, he hurriedly walked to the vicinity of the stairs.

Just as he was about to leave, the old man suddenly spoke: "If you want to view the collection of books on the second floor, you will have to charge five low-level spirit stones for an hour, and you are only allowed to take the original documents out of here."

"If you want to copy the content of the book, you also need to pay another copy fee, ten spirit stones per copy."

The old man's words made Shen Luo's figure stagnate, this fee is too high, not to mention the cost of copying ten low-level spirit stones.

Even the browsing cost of the five spirit stones in one hour will make many shy disciples stop at it.

You must know that a low-level disciple can only earn a hundred or ten spirit stones through various jobs in a year.

Counting the daily consumption and expenses of various cultivation, the spirit stones that can actually be saved are only a few dozen.

In desperation, he handed over five spirit stones, and then walked up the stairs quickly.

Shen Luo, who walked up the stairs to the second floor, glanced at the things in front of him a little, and began to look for them from the bookshelves.

When he read all the books on a shelf roughly, his face instantly darkened.

Unexpectedly, none of the books on this bookshelf recorded alchemy, and the ones on it were either the secret techniques of curing diseases and saving people.

Either it's a home remedy for strange and intractable diseases, or it's some mortal martial arts cheats or something.

And those so-called mortal martial arts cheats were of no use to Shen Luo, who was an immortal cultivator.

Just as he was about to go through the books, there was a book on another shelf.

The old man downstairs suddenly shouted: "An hour has passed for my nephew, if you want to see it again, you have to add spirit stones."

When Shen Luo heard this, he didn't care about talking to him, so he took out a few spirit stones from his body and threw them down the stairs.

When the old man downstairs saw Shen Luo coming to the staircase, he was about to throw down the spirit stone in his hand, took the spirit stone thrown over, and said with a smile: "Okay, the master and nephew can continue to watch, and I won't bother you, old man!"

Shen Luo nodded, turned around and went straight to the second bookshelf and began to rummage.

After rummaging, he really found some information about alchemy.

One of the things that he paid the most attention to was the Zhuyan Pill above, which is a kind of elixir that can be refined by novices, and its effect can make the user stay young forever and fix the appearance.

"Is there an elixir that can be refined for newcomers?" Shen Luo looked at the literal information and muttered to himself.

In terms of alchemy, he has only refined the True Qi Pill, and as for this Zhuyan Pill, it seems that it is not bad, Shen Luo has a little idea of refining this Pill.

After all, no one wants to become an exhausted look, with gray hair and a late twilight appearance, and an aging appearance.

Moreover, this kind of thing is especially evaluated by women in the immortal cultivation world, and it is basically in short supply.

If you can refine this Dan well, you can also take it to the market to exchange for some spirit stones.

After weighing the pros and cons, he decided to take this pill to practice first.

When your alchemy skills are mature, let's refine Zhuji Dan again.

He took the jade slip and walked down the stairs from the second floor.

When the old man saw Shen Luo walking down, he immediately asked with a smile, "Senior nephew, have you found what you need?"

"Yes, the junior wants to copy everything on this jade slip." Shen Luo put the jade slip in his hand in front of the old man's table and said.

"Senior nephew, copy the jade briefly ten spirit stones!" The old man glanced at the jade slip and said lightly.

Seeing that the other party asked him to hand over the spirit stones, Shen Luo took out ten spirit stones very neatly and placed them on the table.

After seeing the spirit stone on the table, the old man smiled knowingly, took out a blank jade slip, and then copied the information with a few spells.

"The copy is done, give." The old man handed him the copied jade slip.

"Thank you, uncle." Shen Luo took the jade slip, put it in the storage bag, and said politely.

After saying this, he turned and walked away, and walked out of the Daozang Temple.

After leaving the Daozang Temple, he returned directly to his residence and began to comprehend this Dan Fang.

The Heavenly Fire Hall is a place in the Taiqing Gate that is specially used to refine pills or refining weapons, and there can be earth fire under it for people to refine pills or refining weapons.

Long before immortal cultivators used earth fire alchemy, they all used innate true fire to refine the pill.

The innate true fire is a kind of Taoist fire that can only be possessed by monks in the foundation building period.

Therefore, before refining with earth fire, basically the people who would refine the elixir magic weapon were mostly monks in the foundation building period.

It wasn't until later that someone discovered that the earth fire in this leyline could also be used for alchemy.

Moreover, the elixir that was refined was much purer than the elixir that was refined with true fire.

It is precisely because of the appearance of earth fire that those monks who have not yet built a foundation and do not have innate true fire can also refine pills and magic weapons.

Shen Luo came to the Heavenly Fire Hall and walked in along the passage in the hall that spread underground.

When he reached the end of the passage, two paths appeared in front of him.

On the top of these two passages, there is a Dan and instrument characters written respectively.

It seems that most of these two passages are for alchemy, and the other is for refining.