After doing these things, Li Qingshan walked into a stone room in the cave, took out the alchemy book, and studied it.

According to the records of the Xuanlingmen classics, there is actually no special method for alchemy, only experience and understanding.

There are three kinds of Dan Dao, distinguishing the ingredients of the elixir, being familiar with pharmacology, and controlling the heat, if you study these three thoroughly, you can become an alchemy master in the famous cultivation world. The Alchemy Grandmaster is able to improve the Dan prescription and develop new pills, and is omnipotent in the Dan Dao.

The vast majority of alchemists draw gourds according to the alchemy master's recipes, but they are only proficient in controlling the fire, and they don't know much about the ingredients of the elixir and the pharmacology of alchemy.

Alchemists are further divided into beginner-level alchemists, who can refine qi-refining stage pills, middle-level alchemists, who can refine foundation-building stage pills, and high-level alchemists, who can refine Jindan-stage pills. As for the Yuan Infant Stage Pill, if it can be refined, even if it is not an alchemy master, it is still a half-grandmaster.

This alchemy book is the alchemy experience of a low-level alchemist.

What is recorded above is only the refining experience of the Raising Spirit Pill, Pei Yuan Dan, and Gu Yuan Dan, and there is not even the Zhuji Dan. The ingredients of the various elixirs only record the elixirs that need to be used in these elixirs, and there is no pharmacological analysis at all.

Learning the Dan Dao is a long process, and Li Qingshan does not expect to become a generation of alchemy masters, who can refine the pills according to the Dan formula.

Alchemy is not easy to operate even if it is based on the scoop to draw a gourd, how to extract the essence of the elixir, how to remove impurities, how much firepower is needed, how to melt the pill, all of them add up, there are hundreds of steps to refine a pill, and if you take a wrong step, you may fall short.

Li Qingshan was first familiar with the ingredients of the various elixirs recorded in the books, and then memorized the steps of the pill in his mind and analyzed how to refine it.

For a month, Li Qingshan did not leave the cave, studying books and Danfang during the day and meditating and cultivating at night.

The effect of the red gold fruit is very good, Li Qingshan only took one, and it took a month to absorb it, and the aura also rose a lot, it is estimated that after taking two more red gold fruits, his cultivation can reach the peak of the eleventh layer of qi refining.

On the morning of this day, Li Qingshan left the cave mansion and came to the Immortal Palmetto City Workshop.

Although he has a fire spirit root, he has not completed the spirit root, and he can't use the fire method, so if he wants to refine the pill, he can only go to the earth fire house to refine it.

Li Qingshan saw this workshop last time on the high slope of Immortal Palmetto City, although he didn't come in, he also knew that this place must be a place that provides alchemy refining tools.

There is a closed cave on the innermost wall of the temple, and next to the cave is a stone house embedded in the mountain wall.

Judging by this situation, the cave should be a fire house.

Li Qingshan walked into the stone house, there was no one else in the stone house, only a lean old man, who was sitting on a chair behind the table and taking a nap, watching the aura fluctuations on his body, which was about the early stage of foundation building.

It seems that business here is not very good.

"One spirit stone for one day for the lower ground fire house, and two spirit stones for one day for the middle ground fire house. Sensing the arrival, the thin old man opened his eyes, looked at Li Qingshan, and said listlessly.

"Senior, I want an inferior fire house for two days. Li Qingshan took out two spirit stones and put them on the table.

The lean old man waved his sleeves to collect the spirit stone, then stood up lazily, walked out of the stone house, and came to the cave.

Li Qingshan followed him and also came to the cave.

The lean old man took out a jade slur, and his divine thoughts guided it to fly to a pit in the cave door, and the stone door flashed and slowly opened.

"Come with me. The lean old man spoke, and walked in.

Inside the cave is a tunnel deep into the ground, the walls of the cave are made of unknown metal, and the thermal insulation effect is much worse than that of the tunnel of the Taixu Gate Shengong Temple, and you can feel the oncoming heat as soon as you enter the tunnel.

He hadn't gone far, only a hundred feet away, when the lean old man stopped in front of a fire house at the top.

"That's it. The lean old man reached out and turned the turntable next to the fire house and opened the stone door.

"There's a stone stick inside, and if you press it, you won't be able to open the stone door outside. If you don't know how to control the fire, take a look at the controls carved into the walls. When leaving, press the button next to the cave door outside, and I will open the stone door for you, if it is more than two days, you need to pay the spirit stone. With that, the lean old man left.

Li Qingshan walked in, closed the stone door, and pressed the stone stick next to him.

Now that he thinks about it, he doesn't know if it was a mistake to pull out the stone stick directly when he was in the Taixu Secret Realm. But this is also an inconsequential matter, and Li Qingshan instantly left it behind.

The earth fire house here is not big, the length and width are less than two zhang, and there are indeed some words carved on the wall in the house, Li Qingshan looked at it a little, and then came to the ground fire jet in the middle.

The top cover of the spout was lifted, revealing five thin Ugin tubes.

As soon as it touched the air, the Ugin tube began to emit blue-purple flames.

Li Qingshan attached his divine thoughts to the flames, suppressing and indulged, the flames were also thick and thin, constantly changing, and he felt that it was easy to control.

Li Qingshan took out six bottles, and then took out four elixirs, two sea insect torsos, among which there was a sea spirit ginseng. Here, sea ginseng is the main material for refining the spirit pill and Peiyuan pill.

Taking out the purple cloud furnace again, Li Qingshan put the sea spirit ginseng into the furnace and covered the stove lid.

Guiding the Purple Cloud Furnace to the flames, Li Qingshan controlled the temperature of the flames with his divine thoughts.

To refine sea ginseng, the temperature should not be too large at the beginning, otherwise it is easy to burn, you should first soften the sea ginseng at a low temperature and turn it into a paste, and then gradually increase the temperature to separate the impurities, the more impurities are separated, the better, and it is easier to succeed in alchemy.

Compared with other Qi Refining Cultivators, Li Qingshan had a great advantage, that is, he had divine consciousness and could see the scene inside the furnace.

Alchemy cannot be opened and refined, otherwise the spirit of the elixir will volatilize and overflow and become useless.

Li Qingshan watched the scene in the furnace, controlled the size of the fire over and over again, and saw that the sea ginseng had a tendency to burn, so he lowered the temperature, and after a while, the sea ginseng in the furnace turned into a puddle of paste. Observing the changes in the ointment, Li Qingshan gradually increased the temperature, and the ointment was separated, and the upper supernatant was turbid. As the temperature continued to rise, the ointment began to become turbid again, and Li Qingshan decisively removed the Ziyun Furnace from the flames.

After a while, the temperature of the furnace cooled, and Li Qingshan opened the lid, although the ointment inside was different in color, it was not clear enough.

Li Qingshan thought for a while, it seemed that the refining time had taken a long time just now.

Such an ointment, according to Danfang's records, can be regarded as a success. Li Qingshan took out a medicine spoon and scraped off the upper part of the ointment in the Dan furnace, put it into a small bottle, and then used the water method to clean the Ziyun furnace.

Li Qingshan continued to refine other materials.

An hour passed, and Li Qingshan had refined all the six elixirs, none of which were considered good, but they were just ready to use.