The originally dim alchemy room was lit up by the firelight in Gu Yuan's hand, and the firelight seemed to be burning, and the reflection on the wall also seemed to flicker and sway.

Although Lin Tao had never seen anyone show this hand, he could roughly guess it after thinking about it in his mind.

There is a fighting spirit in the human body, and the fighting energy is in the form of energy (invisible) to achieve the release of the fighting energy, so generally speaking, it is absolutely impossible to form a substantial flame.

To that extent, there are only two possibilities.

1. Guyuan instantly stimulates a large number of dense fighting energy, transforming from quantitative change to qualitative change, and finally describing the real flame. The prerequisite for the first case is that a large amount of intensive fighting spirit must be instantly aroused.

2. Gu Yuan did not use the method of fighting qi at all, but used a method similar to that of a magician, through meditation or incantations to attract the fire ions in the surrounding air to gather in the palm of his hand. The result is a substantial flame.

Lin Tao had to admit that no matter which way he could do it at present, thinking of this, Lin Tao's mind couldn't help but be a little eager to try.

At this moment, Guyuan was in the period of opening the furnace and refining the fire, even if Lin Tao had more questions in his heart, it was not good to interrupt rashly.

At this time, I saw Gu Yuan's right hand wave, and the flame flew towards the bottom of the Ding Furnace in an instant as if it had no roots.

"Huh!" As soon as the flame touched the black object under the furnace, it instantly turned into a raging fire.

"What is that?", Lin Tao asked curiously, pointing to the black object under the Ding furnace.

The black object looked like condensed asphalt, tangled in pimples, but it didn't smell like asphalt oil.

"This, black silica gel, is the alchemy fuel that alchemists must have. It is extremely flammable and dense, and often a small piece can burn for a day or two. ”

Hearing this, Lin Tao was very surprised. In their previous lives, whenever Quan Qingzi was refining the pill, several of their brothers and sisters always had to take turns all night to guard the fire. Sometimes if you are not careful, it is easy to put out the fire and fall short. So at this moment, when Lin Tao heard the properties of this black silicone, he couldn't help but be interested.

At this time, Gu Yuan's deep voice sounded in Lin Tao's ears, and he said, "The first step we are doing now is called Ning Dan Fetus. It is mainly a combination of various medicinal materials to condense the medicine fetus. This step is very simple and can be done with this black silicone. When the hot gas at the mouth of the furnace is loud and the steam at the outlet on both sides is chaotic, this first step is considered to be completed. ”

Lin Tao nodded, which was considered to be understood.

The length of the process of condensing the pill fetus varies, and basically the time varies with the different qualities of various pills. High-quality elixir Obviously, this first step takes a little longer.

Taking advantage of his free time, Gu Yuan whispered to Lin Tao about the knowledge of alchemy.

Or there is a lot of experience in this area in the previous life, at this moment, Lin Tao actually understood quickly when he heard the class, and he understood the meaning of Gu Yuan's words in less than half a day.

Gu Yuan was a little surprised by this. I didn't expect Lin Tao's understanding to be so high. Most of these things that I said casually are some of my own feelings, and I think of where I say it. Unexpectedly, Lin Tao actually wrote them all down.

At first, Gu Yuan didn't believe it, but when he casually asked about something he had just said, Lin Tao answered quickly and accurately, and then he couldn't help but open his mouth wide and look surprised?

I couldn't help but think in my heart: "Could it be that this kid is a genius in alchemy? But then I was relieved when I thought about it, because Lin Tao had said before that he also knew something about pills. At that time, these words seemed to Gu Yuan to be just a joke, but he didn't expect Lin Tao to not only understand a little, but also understand it very well.

Time passes away in the process of what you say and I hear.

In the blink of an eye, seven or eight hours passed.

At this time, the furnace suddenly began to hum, and a large amount of water vapor instantly gushed out from the exits of the two wings. The huge water vapor seemed to be ignited in an instant, detonating the entire inside of the Ding Furnace. Most of them couldn't vent, and the lid of the top furnace moved slowly.

Gu Yuan, who had just begun to close his eyes and recuperate not long ago, suddenly heard this voice, opened his eyes, and then said, "This is the end of this first part. The rest of the beginning is the part of raising Dan. ”

"Yangdan?"

Gu Yuan nodded and said, "Exactly." When the Dan fetus is successfully condensed, most of the medicinal materials have been blended, and there are many impurities in it, at this time, we need to use our own fighting spirit to guide, slowly act on the surface of the Ding furnace, to achieve a process of removing turnip and preserving green. ”

"Then, does Yang Dan have any requirements for the fighting spirit of the fighter?"

"Of course there is, if not, it's not that cats and dogs have practiced high-grade pills. Gu Yuan smiled and continued, "I told you before that the pill is divided into four levels: Heaven, Earth, Xuan, and Huang. The requirements for the level of Dan cultivation corresponding to each level of pills are also different. For example, the yellow-level pill requires a strong person who is at least a fighter level to use the fighting qi in his body to nourish the pill. The Xuan level, on the other hand, requires at least a level above the Great Dou Master. ”

"What about the terrass and the earth?"

"At the prefecture level, you need a strong person above the strength of the Dou Sheng. And the heaven-level ......" Speaking of this, Gu Yuan's eyes showed a glimmer of essence, and he said with a longing look: "Whether the existence of the heaven-level pill exists or not is still a mystery so far. No one had ever seen a heaven-level elixir, but according to the records in the classics, it did exist. It's just that I don't know, even a strong alchemist like a fighting god can't even think of reaching the level of cultivating heaven-level pills. ”

"Coax!" Lin Tao's brain seemed to have been hit by a thunderbolt. Gu Yuan said, "Even a strong alchemist like a fighting god can never reach the level of cultivating heaven-level pills." It kept echoing in his head, buzzing. What does this mean, he is not even qualified to fight gods, is it only a god who can? Thinking of this, Lin Tao's body couldn't help but shudder.

As if enjoying Lin Tao's expression, Gu Yuan laughed, "This Dan cultivation is not a simple job, it requires constant application of fighting qi throughout the entire Ding furnace, and at the same time to ensure that it is heated evenly. The most important thing is that this is also a long-term process, and many alchemists who are not good at the basic skills of fighting qi are planted in front of them. At the same time, the process of cultivating Dan is also an alternative kind of Dou Qi cultivation, which is about the microscopic control of Dou Qi. ”

Lin Tao nodded, the part of raising Dan is not difficult to understand, but it is more difficult to do. Not only does it require strength and character, but even luck is good. In fact, this part is essentially no different from the refining method of Kyushu, it is just a little different. It's just that one relies on fighting spirit to raise Dan, and the other relies on true qi to raise Dan.

Lin Tao silently calculated in his heart, according to his current strength, if he used Dou Qi to refine the pill, wouldn't he only be able to refine the poor Yellow-level pill? If he wanted to refine a higher-level Xuan-level pill, he would need to at least reach the level of a great fighter. Thinking of this, Lin Tao felt some cold sweat break out on his back.

There is nothing to describe in the process of raising Dan, and Gu Yuan's hands do not listen to the outside of the four walls of the Ding Furnace from beginning to end. It's like a set of boxing techniques, the faster and faster he fights, it is difficult for Lin Tao to see clearly.

Perhaps in order to deliberately take care of Lin Tao, and to let Lin Tao see a little more clearly, Gu Yuan's hand speed gradually slowed down, reaching a level where Lin Tao deliberately saw clearly. At this time, Gu Yuan's voice came, "This set of palm techniques is my own original method of raising pills, and it is also the most proud work of the old man's life." All the pills that have been refined through this set of palm methods will always be one percent higher than those refined by other methods of raising pills. Gu Yuan's tone was full of pride, a momentum of giving up who else.

Lin Tao was stunned when he heard this, and told him that he had a medicinal property, which was also too terrifying. Don't underestimate the medicinal properties of this product, it's too difficult to do.

"Hehe, the whole continent is not the same, there are six people who can do this. This is also a point that the old man is proud of. Try to remember, let me see how much you can write down. ”

Lin Tao nodded, and under his full attention, his eyes were firmly fixed on Gu Yuan's hand movements. I want to find some kind of pattern.

Lin Tao, who was concentrating, gradually found that the speed of his hands in Guyuan slowed down again......

A full six hours of raising pills is extremely long. Even after this set with Guyuan's strong strength, he felt slightly unbearable, and his face turned a little pale.

After doing this step, Gu Yuan slowly wiped the sweat from his forehead and smiled at Lin Tao. "The step of raising Dan has been completed, and the rest is to come out of Dan. ”

"Out of Dan pays attention to speed and stability. It is necessary to open the furnace at the moment when it is full of fighting spirit and is about to explode. Hehe, if it is a little slower, then it will be an explosion of the Ding furnace, a furnace of elixir will be destroyed, and the previous efforts will be in vain. If it is slow, although the pill is still there, the medicinal properties will inevitably be greatly lost, and the number of bad pills and dead pills will also increase greatly. ”

It's too late, it's too soon. As soon as Gu Yuan's words were spoken, the Ding furnace began to shake from side to side inexplicably, as if a pair of big hands were tearing hard.

Gu Yuan's expression froze, and his body spun rapidly like a spiral, rushing towards the Ding Furnace. With a wave of his hand, the lid of the Ding furnace was instantly revealed.

In an instant, a large amount of hot gas, water vapor, and a terrifying energy gushed out from the Ding furnace.

Lin Tao was slightly stunned, and just wanted to take a step forward, but his footsteps didn't move much. Gu Yuan in front of him saw what he was thinking, and immediately yelled, "Do you want to die?" ”

Lin Tao, who was originally a little distracted, was taken aback by this roar and hurriedly took two steps back.

At this time, the whole room is full of mist, which makes it difficult to see. The faint light emitted by the halo stone illuminates the water vapor that does not penetrate the mist, making the whole room look real and illusory.