The second method can only be done in the process of alchemy. That is, when the spirit grass is put into the alchemy furnace, it is necessary to separate the newly put spirit grass from the medicinal liquid that has been removed from the impurities in it with spiritual energy, so that when the newly put spirit grass melts into the medicinal liquid, it does not need to be mixed with the previous medicinal liquid, so it will be easier to remove impurities.

Although the two methods that Mu Ying thought of could make the impurities remove cleanly, as long as he thought about it, he could find that they both had troublesome places.

First, let's talk about the first method.

The advantage of the first method is that it is more worry-free, because it only needs to purify all the medicinal materials needed, and when it comes to alchemy, just use it. But there are also disadvantages, that is, it is not easy to distinguish what kind of medicinal material it is after refining it into a medicinal liquid, and even if the name is marked on the bottle, if there are many types of medicinal materials, it will be difficult to pick out when you put it in the Dan furnace, and it is more likely to find a mistake, as long as the mistake is the same, the pills in that furnace will be destroyed.

The advantage of the second method is that it will not make mistakes, just like the ordinary alchemy method, you only need to throw the spirit grass into the alchemy furnace in the same way. However, because the two medicinal liquids are separated by Reiki, this method requires a particularly high level of spiritual power from the monk. Therefore, if you want to use aura to separate the two medicinal liquids, and you will not do it just once, the requirements for spiritual power will definitely not be low. The more types of spiritual herbs needed to refine that kind of elixir, the stronger the requirements for spiritual power, and it is possible that the monk will not be able to persist after a few times, so if the spiritual strength of the monk is not high, it is not suitable for this method.

Relying only on imagination, Mu Ying can only think of a rough idea, and he is not completely sure whether these two methods are operable. The best way to see if it works is to try it out for yourself. Only two copies of Mu Ying's materials were used, and there were still thirty-eight copies left. Enough for her to experiment. Anyway, Hu Lei didn't say how many pills he had to hand in, so it didn't matter if he had fewer pills to refine, so Mu Ying was very confident to do the test.

Thinking like this, Mu Ying planned to start doing it now. Although she had also refined the medicinal liquid before, she had not used an alchemy furnace at that time, and there was no alchemy furnace in that room. Therefore, she could only refine medicinal herbs with her bare hands.

Although it can also be refined with bare hands, the effect is not as good as the real alchemy furnace, otherwise if the entire step of alchemy can be completed perfectly with bare hands, then no one is willing to buy an alchemy furnace to use, after all, the alchemy furnace is exquisitely shaped, and the materials used will definitely not be too ordinary, otherwise it will not be able to resist the fire at all, so the price of the alchemy furnace will not be low.

Refining with bare hands is more aura-consuming, not to mention. And because the spirit grass has been in contact with the air in the process, it will be infected with some dust impurities, in addition, the medicinal properties of the spirit grass will also be volatile, so the effect of the medicinal liquid refined in that way is not very good, but it is just more convenient.

At this time, with the alchemy furnace in hand, Mu Ying would certainly not choose to refine it with his bare hands. So after firing, Mu Ying took out another copy of Bigu Dan's materials. After refining each material in an alchemy furnace and removing impurities, Mu Ying filled the refined liquid into the jade bottle. When all three materials have been processed. Mu Ying poured the medicinal liquid that should have been the first to be put into the alchemy furnace in order.

When refining for a while, he found that the liquid medicine had a tendency to solidify gradually, Mu Ying knew that it was time to put the second liquid medicine, so he hurriedly waved his hand and put the lid on the bottle. The second medicinal herb that had been placed aside was brought over, and the liquid was sent into the alchemy furnace with spiritual energy.

Mu Ying used his divine sense to see that as soon as the second medicinal liquid entered the alchemy furnace, it gradually flowed to the pool of medicinal liquid at the bottom of the furnace, but just when the two medicinal liquids were about to completely merge together. Something happened to Mu Ying's surprise.

I saw that the two medicinal liquids seemed to resist each other for nearly a second, and then they turned into ashes with a "poof" sound!

Mu Ying was taken aback, and stood up directly from the futon in shock, and when she opened the lid and saw with her eyes that there was indeed a piece of black slag in the furnace, she was really at a loss.

What the hell just happened? Isn't it very good that she controls all of them, the flames are still so big, and they are also very stable, and there is no abnormality at all, but why did she suddenly burn into slag!

Mu Ying sat down, frowning and carefully recalling every step just now, except for the part where she changed the part of the liquid medicine to remove impurities, the rest of the place was no different from the previous two alchemy, even the first time she did alchemy, when there was a problem, it was at the last moment, but this time she actually suffered a failure not long after she started.

After thinking about it again and again, Mu Ying was very sure that she had not made any mistakes in the process, so in this way, the problem was in the refining and purification of the medicinal liquid.

However, when she was refining and purifying, she didn't make a mistake. The process itself is not difficult, and Mu Ying has always been very cautious, so it will not be due to the problem of refining and purification itself.

Therefore, there is only one explanation: the method of refining all the spirit herbs in advance and removing impurities, and then coming to alchemy, will not work.

Thinking of this result, Mu Ying was a little frustrated, but he was not willing to give up like this, so he took out another copy of Bigu Dan's materials, and planned to try again.

Not long after, Mu Ying looked at the slag at the bottom of the alchemy furnace and was stunned.

Alas, failed again.

After being stunned for a while, Mu Ying picked up a copy of the materials of the Heart Condensing Pill, first of all, she first used the original basic method to refine the pill step by step, because the grade of the Heart Condensing Pill is the same as the Bigu Pill, it is a low-level pill, plus Mu Ying has refined it a few times before, so although the experience is not sufficient, it is also there. Therefore, until the last step, Mu Ying is very smooth.

When the lid of the alchemy furnace opened, and a string of pills flew out of it one after another, Mu Ying also picked up a jade bottle and took over these Qi Condensing Pills, and after collecting them, Mu Ying fell into the palm of his hand and looked at it. Fortunately, this time she paid a little attention to the shape of the pill, so at this time, the pill in her palm finally looked normal, and it was the same as the pill she had taken before, it was all round, and then she was relieved.

So far, she has refined five furnaces of pills, and finally got a bottle of pills that can be taken out, so that when she goes out, she can explain to others, and she will not be so ashamed.

Otherwise, if the Dan she refines in each furnace is the same as the second time, and she gets a bunch of irregular shapes, then she might as well find a crack to drill into, so as not to be laughed at to death.

After confirming that she could successfully refine the Heart Condensing Pill, Mu Ying planned to try the first method of removing impurities again, if it worked, it means that she might have really made small mistakes in some places on the previous two occasions, so she would lead to failure. If it still doesn't work, then that method really doesn't work.

After making a decision, Mu Ying refined the three materials that made the Heart Condensing Pill separately and removed the impurities. When everything was processed, Mu Ying threw the ingredients into the furnace.

When it was time to put the second material, Mu Ying watched the movement in the furnace with bated breath, only to see that after the medicinal liquid of the second spirit grass entered the Dan furnace, it headed towards the medicinal liquid of the first spirit grass, and the two slowly merged together. Mu Ying's eyes widened, and seeing that the last bit of liquid medicine was about to merge, Mu Ying was overjoyed, but before her smile could be revealed, she heard the same slight sound, and after that, there was another scorched paste in the furnace.

The corners of Mu Ying's mouth twitched, and his head couldn't help but shrug down.

This time she was very careful, and there was absolutely no misoperation in the whole process, but the result was still the same. As much as she hated to admit it, it was true, and the first method of removing impurities failed.

Well, since the first method is sure that it doesn't work, forget it. Although she still doesn't know the specific reason for her failure, this may be because she has little knowledge and doesn't know much about alchemy. When she finds an opportunity to consult the alchemist of the Jin family in the future, someone should help her solve her doubts.

After reluctantly clearing the slag in the furnace, Mu Ying noticed that the slag she had cleared out of the previous furnace was gone! Mu Ying was stunned for a moment, hesitating in her heart, she remembered that she had obviously gotten them into the corner just now, why was there suddenly no more?

Mu Ying subconsciously saw the spots, and sure enough, he saw it lying on the ground with a round little belly, when it took the medicine residue for the first time, although the stomach was also round, but it was not as round as it is now! Therefore, Mu Ying knew that this guy must have eaten the dregs of the medicine just a few times just now.

Mu Ying had been thinking about the reason for the failure before, and then he was thinking about how to refine it better, and he didn't pay attention to the spots and the pile of medicine residue in the corner of the wall. So at this time, she found out that the pile of medicine residue was eaten by the spotted guy again.

And when Mu Ying had just cleared the dregs of this furnace to the corner of the wall, she saw that Spot's eyes lit up, and her body jumped from the ground very flexibly, and then twisted her round body to the corner of the wall, and began to eat it with her head buried in it.

Mu Ying: ......

How hungry is this guy? This belly is round like this, it won't burst the belly, right? Mu Ying was just about to call the spot over to stop it from acting like self-harm, when he saw the spot raise his head, and then lay down on the spot, but where Mu Ying had just put the dregs, there was no slag left at this time!

Mu Ying: ......

Mu Ying wanted to say a few words out loud, but he could feel the satisfaction of the spot in his heart at this time, so he had to stop helplessly. I thought that if I failed again for a while, I would hide the medicine residue and not let this thing eat again, otherwise I would have to die.

After thinking about it like this, Mu Ying no longer cares about spots. She plans to try the second method of removing impurities now and see if it works. If it is still not feasible, then she will simply honestly follow the alchemy as mentioned in the jade slip, and no longer have crooked thoughts. (To be continued......)

ps: Ask for recommendation votes, ask for rewards...... Huh, can you make an appointment for next month's little pink ticket? So far, I haven't had one, so miserable. There are more pinks, and you can vomit blood and add more in March