The auxiliary materials are ready, and what needs to be more troubled is the processing of the golden centipede.

Only when the Inner Dan is properly concocted can the next step be carried out, and the Inner Dan power and auxiliary materials can be combined together.

The Golden Centipede Inner Pill has been in hand for many years, and due to his own circumstances, Lu Xuan has never used it.

Now that I take it out, I think of the past.

It is said that this Neidan is not small, first go to Zhonghe Temple to fight the sword, and then there is Centipede Ridge to eliminate demons. Because of this golden centipede, I have met many friends and colleagues, and when I think about it, it is also emotional.

Neidan is in his hand, and he has stored it in the Xuanxu Sword Box for many years, and his aura is obscure, and there is no consumption.

It is like a simple stone pill with the texture of gold and jade, round and smooth, held in the palm, light as nothing, as if it does not exist, quite wonderful.

The Golden Centipede Inner Dan is quite extraordinary, it is a spirit insect that has been carefully cultivated by the Golden Whisker for many years, and the Golden Centipede itself also has a bit of heterogeneous bloodline, and the Inner Dan refined is much more special than ordinary demon beasts.

This kind of inner pill refining, the process is a little cumbersome, the demon beast inner pill itself is smelted by its own essence and mana divine soul, the material is very special, and if it is not disposed of well, it will be scattered between heaven and earth.

At that time, there will be a single inner dan, and nothing will be left.

Not to mention that Lu Xuan didn't have a true fire in his hand in the past, so he didn't think about using this inner pill, in fact, among today's monks, true fire is the best and most common means to deal with substances such as demon beast inner pills.

Of course, correspondingly, the method of true water refining is also feasible.

These two methods, because of their nature, can ensure that the inner pill is removed from the turnip and the essence is preserved at the same time, and the yuan force will not volatilize, so that it will lose its original utility.

Under this condition, there are many particularities in the sacrificial materials.

True fire power, inner pill attributes, refining environment and conditions, etc......

It seems that it is just dealing with a Inner Dan, but in fact, the process is not simple, and there are many requirements, so even if Lu Xuan is in the current realm, he is still very focused on dealing with this Golden Inner Dan.

......

Taking out Kanli Yugui, Lu Xuan immediately refined the mana, agitated the qi of the fire in it, and built a fire lotus.

Just as he was about to throw Kanli Yugui, who had turned into a fire lotus, into the copper tripod that had been prepared long ago, he suddenly had a thought, and he realized something.

The Golden Centipede Inner Pill was different from the spiritual materials that had been smelted before, and it did not need Lu Xuan to melt it with the fire essence qi and change its nature, but only to remove the turnip and save the green and change the state.

In this case, it is faster to operate together from the fire essence qi and the two qi from the fire.

So the trick was twisted lightly, and the two qi of Kan Li Yugui moved, and the water and fire lotus appeared, and then escaped into the copper furnace.

Just listening to the soft sound of the copper furnace, I saw the Xuanguang emerge, reflecting the entire furnace body as if it were not ordinary.

Lu Xuan originally used this copper furnace to refine a pair of auxiliary spiritual materials, and the copper furnace was also specially found, and now the second sacrifice is very smooth to use.

Casually threw the golden centipede Neidan into the copper furnace and fell into the water and fire lotus, like lotus seeds.

But seeing the lotus-seed-like golden centipede inner pill, with the rotation of the water and fire lotus flower transformed by Kanli Yugui, strands of crystal clear filaments were peeled off, Lu Xuan nodded with satisfaction, and then directly covered the top of the furnace.

Then he used his mana to maintain the change of Kanli Yugui, and waited silently before sitting on the copper furnace with his eyes closed.

......

It is said that it is waiting, naturally it is not a dry wait, Lu Xuan must always maintain the refining of the Water and Fire Lotus on the Golden Centipede Inner Dan, otherwise there is no active control, and it will be difficult to deal with the Inner Dan properly in a short period of time just with the power of Kanli Yugui.

Fortunately, with Lu Xuan now returning to the Dan realm, this mana consumption is not a problem at all, if you don't care about time, even infinite maintenance is not impossible.

Of course, this is without the full effect of Kanli Yukei.

Concocting the Golden Centipede Inner Dan is not to destroy the Inner Dan, Kanli Yugui's power needs to be controlled within a certain range, so the consumption is not much, and the more consumption is actually the mental aspect.

However, with the entry into the Huandan, the essence and spirit of the monk himself have been initially combined, and under the mutual complementation, it is easier to recover in terms of his own mind.

Although it was troublesome to deal with the Golden Centipeda Inner Dan, it was not very difficult for Lu Xuan.

......

I don't know how much time has passed, before refining, Lu Xuan had instructions, and no one disturbed, and his own mind was immersed in the changes of Kanli Erqi, taking advantage of the kung fu of the sacrifice, to grasp the mysteries of Yugui more deeply.

Kanli Yugui is a rare spiritual thing, not to mention the grade, but the innate Kanli Erqi itself is very extraordinary, and Yugui itself naturally contains endless mysteries.

It can even be said that even with Lu Xuan's current realm, just one innate Kanli two qi is enough for him to comprehend, and if he wants to truly grasp the changes in Kanli Yugui, he doesn't know how much time it will take.

It is also an opportunity to take advantage of the opportunity to take advantage of the opportunity to refine the inner Dan to gain an in-depth understanding of the changes in Kanli Erqi and Kanli Yugui.

And for various reasons, Lu Xuan himself didn't pay too much attention to time, and by the time he took his mind out of the changes in Kanli's two qi, it was already time for the Golden Centipede Inner Pill to be completely refined by the Water and Fire Lotus.

His eyes opened, his fingers were closed, and he stopped refining from Yugui, and the light in the room also disappeared a lot.

Although most of his thoughts were on the changes in Kan Li's two qi, Jin Wu Neidan had always been under Lu Xuan's control, so he knew very well what Neidan had become now.

Lu Xuan's eyebrows could see the joy, which showed that the changes in Neidan were in line with expectations.

And so it is.

As the top of the copper furnace opened, an aura inside seemed to gush out, but fortunately, Lu Xuan stopped it in time, so he didn't teach the essence to leak out.

Looking at the scene in the furnace again, Kanli Yugui is still maintained by Lu Xuan's meager mana, suspended in it, the water and fire lotus flower disappears, and there are hidden Kanli two cyclones around, but it is not obvious.

In addition, the jade clouds formed by the lingering wisps of crystal clear filaments rise and fall on the jade gui, and the appearance is very exquisite, among which there are wisps of metal halo refraction, like a magic weapon for cultivation.

And this jade cloud is the main material of the flying sword that evolved from the Golden Centipede Neidan after the Kanli Erqi was polished.

Seeing the jade cloud that this group of Neidan turned into, even if he had already mastered it, Lu Xuan couldn't help but frown.

This jade cloud is complete, which means that the sword embryo can start to be cast.

However, Lu Xuan was not in a hurry, he only covered the top of the furnace again, and then pinched his fingers, it had been more than a month, and at that moment, he transmitted the news and summoned the white-clothed sect members stationed outside to inquire about the news of the demons, and learned that there was no information for the time being, so he began to prepare for refining again.

Now that everything is ready, it's time to start the sacrifice of the flying sword.

After calming down slightly, Lu Xuan took out the auxiliary spiritual materials that had been refined a long time ago.

These spiritual materials had been smelted into a mass of spiritual liquid, and he sealed it in a jade bottle.

Taking out the jade bottle, Lu Xuan prepared it, and then opened the jade bottle......

(I'm sorry that I have a bad cough, weak limbs, lack of energy, poor appetite, self-isolation and recuperation, and can't be renewed...... ）