The moment the fire lit up, whether it was Cheng Bo or Xu Yi, their spirits were immediately extremely concentrated.

At this moment, there was only this furnace of elixir in their world.

Xu Yi's gaze was fixed on the old man's body, and his thoughts and spiritual power spread out, always paying attention to everything in this space.

For him at this moment, Cheng Bo's every move is extremely important, and he must keep it in mind.

Cheng Bo opened the lid of the furnace and put one of the medicinal herbs into it.

Xu Yi couldn't help but get a little closer, if someone else did this, Cheng Bo would definitely scold him on the spot, and even drive him out. However, after discovering that Xu Yi stepped forward, Cheng Bo slowed down a little bit.

Although the Pill is a top-level pill at the ground level, there are not many people who can refine it, at least there is a big guy in the Skillful Weapon Sect who can easily refine it. Therefore, Cheng Bo does not mind being learned.

Of course, he is only refining on the spot, and how much he can learn depends on chance.

A variety of medicinal herbs are put into the Dan furnace, and the rich medicinal fragrance wafts up.

Xu Yi could only see Cheng Bo's movements, but he couldn't spy on the situation inside the Dan furnace. Although he knew this, he was still a little unwilling in his heart.

In fact, he also knew that it was already a great opportunity to let him watch from the sidelines. As for the situation inside the Dan furnace, even Cheng Bo couldn't describe it, and it was impossible to open the lid to show him on the way to alchemy.

In alchemy and alchemy, the first thing to ensure is to become a pill, not to show people.

The corners of Xu Yi's mouth pursed slightly, and his heartbeat became faster and faster.

Suddenly, a wisp of thought spread into the dark dantian. For some reason, the calm and waveless dark dantian suddenly began to fluctuate faintly.

Xu Yi was stunned, there was a trace of distraction at this moment.

What's going on?

Secretly, the dantian only fluctuated when it was close to the refining fire pool, absorbing the energy of the fire pool, but other than that, it had no waves.

But at this time, why did this secret dantian start to turmoil again?

In the next moment, Xu Yi suddenly discovered an extremely strange thing.

It was pitch black, without any light, in the dark dantian, but an item slowly rose up.

Dan furnace?

The muscles on Xu Yi's face twitched slightly, if it weren't for the fact that his concentration at this time was no longer what it used to be, I was afraid that he would have screamed out in fright on the spot.

In that pitch-black and dull world, a translucent Dan furnace suddenly appeared, what was it like?

With a slight movement in his heart, Xu Yi suddenly had a realization, and his gaze was fixed on the Dan furnace in front of Cheng Bo. As a result, the Dan furnace in the dark dantian gradually became clear, but what made Xu Yi feel unbelievable was that it was not the Dan furnace itself that was clear, but the internal space of the Dan furnace.

Xu Yi could see every change in the medicinal materials inside through the translucent Dan furnace.

He even has a sense of seeing through his performance.

Oh, it turns out that after these two medicinal herbs are fused, it actually looks like this.

Ordinary people may not be able to tell the difference, but Xu Yi has studied this elixir countless times, and in his opinion, it is clear at a glance, and there is no secret anymore.

The medicinal herbs were put into the Dan furnace one after another, and slowly the medicinal power became more and more intense.

And Xu Yi is also watching the eyebrows flying, people look at the Dan furnace, but he is looking at everything that happens in the Dan furnace.

That is, one looks at the appearance, while the other sees the essence of it.

At this time, Xu Yi's heart continued to surge with a burst of enlightenment. It turns out that the blend of these medicinal materials is like this, and my understanding of Danfang is wrong.

In just a quarter of an hour, Xu Yi discovered his three mistakes. He sighed infinitely in his heart, if he didn't know these three points, but let him figure it out by himself, he would have to try at least a hundred more times before it was possible to find the defect.

However, for an ordinary earth-level alchemist, where would there be hundreds of opportunities to refine the Didi Pill?

If you can't do it eight times out of ten, it is estimated that you will not want to touch these medicinal materials again in your life.

Cheng Bo's movements are getting slower and more cautious. Finally, he picked up the two flavors of the main medicine.

Xu Yi's heart also rose inexplicably, whether the pill could be made or not, it was only after this moment.

Cheng Bo flicked his fingers, and the lid of the Dan furnace suddenly flew up.

And at this moment, with a flick of his wrist, the two main medicines shot into the Dan furnace like lightning. At the same time, the flames under the Dan furnace became extremely intense as if alcohol had been added.

The lid of the Dan furnace fell instantly, and the Dan furnace was covered to death.

Cheng Bo's hands kept flicking, and with every movement he made, all the juice inside the Nadan furnace began to rotate violently.

And all of this was truthfully reflected in Xu Yi's secret dantian.

The rotation of the liquid medicine in the translucent Dan furnace reminded him of the washing machine on the Blue Star, he had never thought that refining the Pidi Pill would require such a powerful external power.

The rotation of the liquid medicine is not as fast as possible, and many liquid medicines even pay attention to the slow and delicate work, if the fusion is too fast and too much, it will also affect the quality of Chengdan.

However, Piditan is markedly different.

Xu Yi had already clearly felt that Cheng Bo's true qi and spiritual power were operating to the extreme, and the medicinal liquid in the Nadan furnace was also rotating to the extreme.

Fortunately, this Dan furnace is a ground-level magic weapon, otherwise, I am afraid that it will not be able to withstand the full strength of an earth-level powerhouse.

After another moment, Cheng Bo's eyebrows raised slightly, and the power he released gradually slowed down.

And at this moment, Xu Yi also saw through the translucent Dan furnace that the medicinal liquid inside was thoroughly stirred, and there was a faint indescribable charm in it.

Charm?

Xu Yi suddenly looked a little familiar.

He sensed it quietly, and slowly understood.

In these medicinal liquids, there is not only the power of medicine, but even a hint of the taste of the realm.

Cheng Bo actually left a trace of realm perception in the medicinal liquid.

Oh my God, how is that possible?

It's just an elixir, not a talisman or something, can it still leave a feeling?

With a turn of his gaze, Xu Yi saw Lingxiao Baolu and Xuanshuang Tianye. He opened his mouth slightly, and his eyes showed a sudden realization.

I understand, Heavenly Rank Medicinal Herbs, this is the supreme use of Heavenly Rank Medicinal Herbs.

At this point, Xu Yi finally understood why he couldn't refine the Pidi Pill. That's because before that, he didn't understand the realm at all, so how could he leave the realm perception in the pill?

If you don't enter the earth level, or don't know the realm, it is impossible to refine the Di Di Dan at all.

Nima's, does Elder An Cang know this?

If he knew this truth, but didn't tell himself, wouldn't it be that the pockmark was not called pockmark-called a pit man.

Looking at Cheng Bo, who was relaxing and preparing to collect Dan, Xu Yi also understood what he meant.

It is estimated that he heard that he had comprehended the power of the realm, so he brought himself to observe the refining of the Pidi Pill.

At this moment, he was really grateful.