However, the higher the level of the elixir, the more materials need to be used, and some pills may require hundreds of elixirs, and it is inevitable that there will be medicinal properties in these elixirs that are mutually restrictive or conflicting in medicinal properties.

When these pills are put into the middle, some elixirs that can be alleviated or fused need to be added in the middle, so the order of the medicinal materials must not be wrong.

Refining medicinal materials is to refine the medicinal materials into liquid medicine after they are put into them, and at the same time, it is also necessary to remove impurities, which can be eliminated one by one, or they can be eliminated together after all refining.

However, the difficulty of removing impurities after all refining and fusion will be greatly increased, unless the divine sense is particularly strong, it is best to remove each medicinal material immediately after refining, because the amount of impurities will affect the quality of Cheng Dan.

Therefore, it is best to remove the impurities of each herb in turn and fuse them together.

After the fusion, it is the Fendan, because of the low-level pills, there is not only one pill in a furnace, and under normal circumstances, the more low-level pills, the more pills in each furnace.

However, when the medicinal properties are fused, all the medicinal liquids are combined, so it is necessary to divide them into multiple parts with divine consciousness. Of course, the higher the level of the pill, the smaller the number of orders issued for each furnace.

After that, it is Ning Dan, Ning Dan is a pill that is solidified into a solid after the water in the liquid medicine is evaporated by heat, and at the moment when the Ning Dan is completed, a faint medicinal fragrance will float out, and the first moment you smell the medicinal fragrance, you must immediately turn off the fire source and open the furnace to take the Dan.

It can't be early or late, it's early and there is no medicinal fragrance wafting out, indicating that the Ning Dan has not been completed, at this time, the furnace will be opened, and a furnace of Dan will be wasted, if it is late, the impurities will increase and the quality of the Dan will decline, and the whole Dan will be burned into slag.

If you want to make an alchemy, you not only need to be familiar with the process of alchemy, but also need to have enough understanding of the medicinal properties of the elixir in the pill to be able to grasp the accurate ratio.

Because there is only the approximate number of elixirs required in the pills, but due to the different phases of the elixirs and the different growth years, the medicinal properties will also be different, so when refining, the exact ratio needs to be controlled by the alchemist according to his own understanding of the medicinal properties.

However, Lixia has kept the spirit grass encyclopedia in mind two years ago, the basic theory is already there, and now that he has the elixir in his hand, he can take out the elixir to specifically understand the medicinal properties and grasp the ratio.

However, it is difficult to accurately grasp the matter of elixir ratio before there is enough experience, and some may need to open the furnace dozens of times to grasp the accurate ratio.

After feeling the medicinal properties and having a preliminary judgment on the ratio, Lixia began to practice the fingertips again, and many fingers need to be used in the alchemy process, especially the more high-level pills, the more complex the tips are, so before opening the furnace, you must practice the tips skillfully, so as to ensure that the alchemy process does not stumble and cause alchemy failure.

When everything was ready, Lixia picked out a medicinal herb of Bigu Dan, and prepared to practice the simplest Bigu Dan first, Bigu Dan only needs three kinds of spirit grass, and each furnace can become a maximum of twelve pills.

Lixia first meditated to restore the best state, then cleaned the Dan furnace with a water balloon technique, placed the flint stone under the Dan furnace, and then played a trick, and the flint stone burst out with red flames.

Lixia obviously felt that this flame was different from the flame in the fire crystal, the flame temperature of the flint was much higher, and the scorching was unbearable, and Lixia could only turn on the spiritual power protection.

After Lixia's divine consciousness controlled the Dan furnace to be evenly heated, he began to put the elixir in the order recorded in the Dan Fang, and the divine consciousness was put into the Dan furnace and saw that after the elixir was slowly heated and melted, some black particles appeared in it, which was impurities.

Lixia was about to remove the impurities, but he didn't want the liquid to turn into a black liquid in an instant, Lixia was startled, and before he could react, the water in the liquid had evaporated and turned into a pile of black residue.

The teacher was unfavorable, Lixia was a little frustrated, and did not immediately open the furnace to refine the second time, but first reflected on what he did and found out the reasons for his failure, so as to ensure the success in the future.

Lixia explained the above instructions in detail against the alchemy basics, as well as his own operation, obviously there is no difference, then the only possible thing is the problem of firepower, because the firepower is too large, so that the refining process is too fast, so that he does not have enough time to remove impurities.

Finding the reason for the failure, Lixia cleaned the Dan furnace again, meditated and breathed back to its best state, and then prepared to start refining again, this time controlling the flames released by the flint stone to one-fifth of the previous level, and starting to operate again according to the steps just now.

The speed at which the elixir was put into the Dan furnace and melted into liquid medicine was much slower than just now, and when it was completely melted and black particles began to appear, Lixia quickly began to use his divine sense control to remove them one by one.

After confirming that they were all eliminated, the liquid medicine was wrapped in divine consciousness and isolated aside, and the medicinal materials were continued to be put in, refining and removing impurities in turn, and then the two groups of liquid medicine were combined into one, and then the third elixir was continuously put in, and the liquid medicine was merged again after removing the impurities.

As a result, as soon as they fused together, the milky white liquid instantly turned black again, and this time the attempt failed again.

The materials have all been melted, and they failed when they were fused, which means that there is a problem with their own proportions, which is because they have no experience, and they have no feeling for the medicinal properties of the elixir and the elixir, and they can't grasp the exact weight.

After Lixia meditated again and returned to his best state, he picked out a new elixir and carefully understood the medicinal properties in it, and after adding or decreasing the amount again, he opened the furnace again.

This time, after removing the impurities, the liquid medicine was smoothly fused together, which showed that there was no problem with the ratio of the elixir this time.

Then the finger pinched out a spiritual power to control the top of the furnace cover, but the divine consciousness remained in the Dan furnace, there were twelve pieces in the Bigu Dan furnace, Lixia used the divine sense control to evenly divide the medicinal liquid into twelve groups, and the next thing was to wait for the Ning Dan.

As long as there is Danxiang wafting out, you can open the furnace to take Dan, and then did not wait for Danxiang to arrive, but after half an hour, a scorched smell wafted out from the Dan furnace, Lixia hurriedly extinguished the supply, opened the top of the furnace, and saw twelve black pills at the bottom of the Dan furnace, because this can no longer be called Dan.

Obviously, this time it failed again, Lixia was a little frustrated, but immediately cheered up to find the reason for this failure, Lixia thought carefully about every step, and confirmed that there was no problem, and the liquid medicine could be completely fused, indicating that it was not a problem with the proportion.