Therefore, the heat is very important, especially when refining high-grade pills, you will find out how important the control of the heat is. Because the refining of high-grade elixirs does not allow a single step to make mistakes, the temperature of any kind of fire must be narrowed to an acceptable range.

In general, there are four types of heat: high fire, medium fire, slow fire (low fire), and light fire.

It is used to evaporate water, or to melt solid materials, such as hard materials such as spirit stones.

Medium fire is generally used to refine neutral medicinal materials, that is, it is a little hard, but not very hard, and it is medicinal properties, but it is difficult to boil out medicinal materials.

Slow fire is used to stew and boil medicinal materials, and it is also the heat required for some pills with a long refining cycle.

Microfire is used to refine relatively volatile, flammable, and melting medicinal materials.

However, although there are only four types of heat, if the temperature is to be subdivided, it can be divided into thousands.

In the case of alchemy, the temperature changes with the changes of the medicinal materials, and each medicinal material has its refining temperature, so it is not possible to use only these four kinds of heat, because these four kinds of heat are too general and have a wide range.

Therefore, alchemists should teach according to their aptitude, and when refining each or several medicinal materials, they should use the corresponding temperature of these medicinal materials to refine them, so that they can refine high-quality elixirs.

Venerable Peach Blossom Valley lit a fire out of thin air in the fire pit under the Dan furnace, and let Lin Yifan listen to the question and control the fire.

"Slow fire!"

Since Lin Yifan has the power to cultivate the truth, he doesn't have to go over and take out the torch to adjust the temperature in person.

He could stand at a distance and exert his cultivation power to control the fire.

So the next moment, he began to exert the power of cultivation.

The temperature of the slow fire was very low, and the flame was very strong at this time, so he had to lower the flame.

Lin Yifan's cultivation power was like a fire extinguisher, and he quickly lowered the flames. In the next moment, the flame temperature of the fire pit under the Dan furnace reached the temperature range of slow fire.

Perceiving Lin Yifan called out the slow fire, Venerable Peach Blossom Valley immediately changed the exam question: "Wanghuo!"

At this time, Lin Yifan immediately transformed the power of cultivation, and let the power of cultivation be like a catalyst, intensifying the fire. In an instant, the slow fire turned into a hot fire.

Subsequently, Venerable Peach Blossom Valley tested Lin Yifan's adjustment to the medium fire and the micro fire.

Lin Yifan improvised and concocted these two heats.

Adjusting these four types of heat is the most basic lesson, and if you can't even adjust these four kinds of heat, then you don't need to be an alchemist.

Next, Venerable Peach Blossom Valley began to test Lin Yifan's true heat temperature control ability.

"The refining temperature of the cucumber. ”

Xuanshen can generally be boiled at about forty degrees to produce medicinal properties, so Lin Yifan quickly concocted it.

"The refining temperature of the perilla vine. ”

This Lin Yifan was also familiar with, so he quickly concocted it.

"The refining temperature of the seven spice worms. ”

This one... Lin Yifan didn't know, because he didn't seem to have used the Seven Spice Worm to refine the medicine pill.

So he replied sincerely, "I'm sorry, Venerable, I won't do this." ”

Venerable Peach Blossom Valley was a little disappointed, he didn't expect that Lin Yifan didn't even know the most basic temperature of a single medicinal herb, so if the test was the temperature of mixed medicinal herbs, what should he do?

"Hopefully this is just an isolated case. ”

As a result, Venerable Peach Blossom Valley asked the exam question again with great expectations: "The refining temperature of the Thousand Frost Grass. ”

"Thousand Frost Grass, is there such a medicinal herb?" Lin Yifan asked.

He had read ancient and modern medicine books, and he had never seen the name of this medicinal material, so he did not know its refining temperature.

So he replied truthfully, "I'm sorry, Venerable, I haven't seen or heard of this herb, so I won't." ”

Lin Yifan couldn't answer again, and Venerable Peach Blossom Valley was extremely disappointed, and then couldn't help but ask angrily: "Aren't you a mid-to-high-level alchemist, why aren't you even familiar with the refining temperature of so many medicinal materials?"

Lin Yifan felt very innocent, although he was a middle and high-level alchemist, he had only refined three kinds of pills, and the medicinal materials involved were not very wide, so he was not familiar with the refining temperature of many medicinal materials.

"Venerable, to tell you the truth, I have a limited number of types of pills to refine, so I am not familiar with the refining temperature of many medicinal materials, and there are many medicinal materials that I have never heard of, let alone familiar with them. Lin Yifan replied: "However, if you can tell me the refining temperature of all the medicinal materials, I guarantee that the refining temperature of each medicinal material can be modulated." ”

After listening to Lin Yifan's explanation, Venerable Peach Blossom Valley understood the reason. Lin Yifan has the ability to never forget, and I believe that as long as he is given the refining temperature of all the medicinal materials, he will definitely be able to remember it firmly, so that he can easily concoct it.

In fact, the refining temperature of a single medicinal material is difficult for Lin Yifan, only the temperature of mixed medicinal materials is the real test for Lin Yifan, so Venerable Peach Blossom Valley told Lin Yifan the refining temperature of all medicinal materials.

Lin Yifan listened attentively and carefully remembered the refining temperature of each medicinal herb that Venerable Peach Blossom Valley had said.

At this point, his brain is like a memory, storing a lot of information, and when he needs it, he will know it when he needs it.

Not only visually, but also audibly. Anyway, as long as the information appears in the mind, it can not be forgotten.

There are thousands of kinds of medicinal herbs, so Venerable Peach Blossom Valley spoke for two hours before he finished speaking.

If he were an ordinary person, he would definitely be tired and panting, and his voice would be hoarse, but Venerable Peach Blossom Valley didn't have anything to do, he was very calm, and he didn't have any trouble at all.

When Venerable Peach Blossom Valley finished reading, Lin Yifan also remembered everything. Now, if Venerable Peach Blossom Valley asked him again about the refining temperature of a single medicinal material, he would definitely be able to concoct it quickly.

However, many times things will not go your way, so Lin Yifan is destined to use his brains.

"The refining temperature at which the golden spur and the perilla vine are mixed together. Venerable Peach Blossom Valley asked.

This is the medicinal material needed to refine the healing pill just now, Lin Yifan has not refined this pill, so now he is confused.

However, the refining temperature of the golden shovel and the perilla vine was very close, and Lin Yifan felt that the average of the refining temperature of the two should be taken, so he immediately modulated this temperature.

"Venerable, how is it?, is it right?" Lin Yifan asked uncertainly.

"Yes!" Venerable Peach Blossom Valley replied blandly, without any joy.

This time it was just Lin Yifan's luck, but it didn't mean that the refining temperature of all mixed medicinal materials was taken from the average of the refining temperature of these medicinal materials, so he changed his thinking and took Lin Yifan's other topics.

"The temperature at which Luo Ma and Fragrant Maple are refined together. ”

Listening to these two medicinal materials, Lin Yifan quickly got an average temperature.

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