Zuo Feng's casual guess really hit him. The four or five courtyards around the old man's hut were indeed no longer inhabited, and the reason was also closely related to the mysterious medicine. However, these things were all about Zuo Feng's visit to Luan City, so he just felt strange but could not think of the reason.

Zuo Feng didn't want to spend more time thinking about these things. He now focused on the refining of Julisan. Facing the medicine furnace in front of him, Zuo Feng fell into deep thought. He had never refined high-level medicine such as Julisan, so he did not dare to act rashly.

Zuo Feng thought about the prescription repeatedly in his mind. There were several problems that were discovered when he watched before. After thinking about them, the problems not only did not decrease but increased.

First of all, the order of refining medicinal materials was written very clearly in the prescriptions he had come into contact with. This was never seen in some of the prescriptions he had come into contact with. Secondly, there were some extremely special requirements for the treatment of the drug. These were all problems he discovered after he had just obtained the prescription. However, Yao Xun's impatient look at that time also made Zuo Feng hold the problem in his heart.

When he sat down and thought about the prescription carefully, he found a more strange problem, that is, the medicinal properties of several medicinal herbs are actually in conflict. The medicinal herbs themselves have their own unique attributes, including cold and heat, warm and cool. To the deeper level, there are yin and yang and five elements.

Generally, alchemists who master some fur can distinguish between cold and heat. Those who are deeper can understand warmth. Only those who are more profound can master Yin and Yang and the Five Elements. Although Zuo Feng's refining level is still sloppy at the primary level, he has learned a lot from Zhuang Yu in terms of understanding the properties of medicine. He can now begin to understand Yin and Yang.

This is why when he first refined medicine last night, Yao Xun looked at him in surprise and placed the medicinal materials according to their properties.

Zuo Feng thought about the prescription repeatedly, but still couldn't figure out the reason. He had no choice but to look up at Yao Xun again, but Yao Xun had already started drinking the wine on his own, and was still smacking his lips. Seeing that Yao Xun had no intention of explaining to him, Zuo Feng could only helplessly lower his head and study it again.

Zuo Feng, who was thinking, suddenly turned his eyes to the pack of medicinal materials, and then quickly spread the package gently. After a while, Zuo Feng's face once again showed doubt, because the medicinal materials in the package in front of him were actually more than the medicinal materials recorded in the prescription.

This time, Zuo Feng did not look up at Yaoxun for a second time, but began to put the mixed medicinal materials into categories according to the medicinal properties he knew. He was savoring the medicine of wine in his mouth. Although he did not look back, a smile gradually appeared on his face.

After placing the medicinal materials, Zuo Feng tried to start refining according to the records in the prescription and added the Yanjing to preheat the medicine furnace. These steps were already primary and primary, but Zuo Feng still did it meticulously.

When the temperature of the furnace reached a certain level, Zuo Feng began to put medicine into the medicine furnace. Because he had never refined the strength and dispersed, he was very cautious when putting the medicinal materials and was very slow.

But shortly after the third herb was put into the medicine furnace, the medicine liquid in the furnace began to change. The medicine liquid that was originally peaceful in the red flame began to have unstable situations between them shortly after the newly added herb entered. Then a slight explosion came, and drops of medicine liquid were completely scrapped with the explosion.

Zuo Feng looked at the gradually cooling down medicine furnace with a confused look on his face, then looked at the pile of residue at the bottom of the furnace. At this time, some of the medicine liquid was constantly exploding.

He frowned deeply. Although this was his first time to discover this situation, it was obviously a situation where the medicines were mutually exclusive. His first thought was that the prescription given to him was fake, but after careful consideration, he felt that it was not like that. These medicinal materials basically had the effect of enhancing strength. If they were refined according to normal conditions, they should be gathering strength and dispersing.

Taking a deep breath, Zuo Feng thought in his heart, "It's too early to give up now. Since the medicinal materials are not my own, there is no need to think about anything else. Do your best to talk about it first,'

Thinking of this, Zuo Feng grabbed the medicine furnace and poured out the residue, and then started the preheating process again. This time, Zuo Feng carefully refined the medicinal materials one by one, and did not leave the refined medicinal liquid in the furnace like before.

Because all the medicine liquids did not exist in the medicine furnace at the same time during the training, no other changes occurred. When Zuo Feng refined the medicinal materials according to his previous method, the old man's mouth curled up slightly, revealing a hint of ridicule.

Soon Zuo Feng refined all the medicinal materials needed, and then the steps of fusion. However, Zuo Feng learned his lesson this time. Every time he fusion, he poured out a few drops of each refined medicinal solution, and then fused them in the medicine furnace.

"Bang...bang..."

A low explosion sound kept coming from the medicine furnace, and the explosions also ended with failures of fusion. After all the extracted medicines were used up, Zuo Feng also had the urge to curse.

'This old man is not playing with me, I have been constantly changing the order of fusion, and even fusing the medicinal hedging liquids separately, but it still failed,'

Just when Zuo Feng's anger was almost suppressed, he suddenly remembered what Zhuang Yu once said, "The attributes of medicinal materials represent a rule. This is not only the rule of medicine, but also a rule in the world. Rules are unchangeable, but rules are elusive. Only by mastering the rules can one become an alchemist at the upper level."

Thinking of what Zhuang Yu once said, Zuo Feng was also in deep thought. He began to doubt the old man's prescription, but at this time he began to doubt, and he also remembered the extra medicinal materials.

At this moment, a flash of inspiration flashed through his mind, and all the medicinal materials wrapped appeared in his mind. They arranged them in the order of refining recorded in the prescription, and then the medicinal materials that were mutually exclusive were kept alone in Zuo Feng's mind. Then he began to compare with the extra medicinal materials.

Zuo Feng sat there like a wooden sculpture, but Yao Xun seemed to see something. He turned his head and glanced at Zuo Feng with his light, and nodded meaningfully, then turned over and continued to drink.

Not long after, Zuo Feng suddenly opened his eyes and cleared everything in the medicine furnace without any hesitation. Then he put the Yanjing preheating the medicine furnace and began the refining process. This time, Zuo Feng's movements were much faster than before, but his hands were orderly putting the herbs in one by one.

This time it was much smoother than before. All the extracted medicines remained in the medicine furnace, but there was no unstable situation. Soon it entered the final fusion step. A hint of joy appeared on Zuo Feng's face.

But his smile had just emerged, and the medicine liquid that was fusing in the medicine furnace suddenly roared violently. The medicine liquid immediately followed and burned like a flame crystal. Zuo Feng opened his mouth wide in shock, but he could not stop the medicine liquid from burning. Soon, a huge flame rose in the medicine furnace.

Zuo Feng watched the fruits of his hard work, and finally turned into a ball of flame until the medicine was completely burned out.

After a while, Zuo Feng came to his senses and turned his head angrily. The swear words in his chest were about to blurt out, but he found that Yao Xun was standing behind him with a smile. He looked as if he was expecting these accidents.

"Boy, I'm so anxious. Why? Judging from this attitude, I still want to try my skills with the old man,"

Seeing Zuo Feng's clenched fists, the old man said cynically. Zuo Feng finally calmed down slowly and tried his best with the old man in front of him. It was probably not that he would have any chance of winning if he stimulated the beast soul to enter the rampage. Moreover, he did not see any intention of playing tricks on him in the eyes of the old man. Instead, he had a hint of kindness in his face.

"Oh, go aside and take a good look,"

Seeing that Zuo Feng had calmed down, the old man gently kicked Zuo Feng with his foot and said slowly. The old man's toes were kicking Zuo Feng's right hip, but there was no pain. Instead, his body was floating and moved several feet aside.

The old man sat down without saying anything, then he bounced his fingers gently, and a sliver of fire rushed into the stove. Then the flames in the stove tumbling up. Although the flames looked extremely violent, Zuo Feng felt that the center of the flame was extremely stable.

The old man grabbed the medicinal materials beside him and then threw them into the medicine furnace. Zuo Feng clearly saw that the medicinal materials the old man grabbed were those medicinal materials he had refined to the last step. It seemed that the old man had indeed deliberately written some medicine names incorrectly.

Zuo Feng didn't have time to think about anything else, because he was already shocked by the old man's medicine refining technique. After the old man put the medicinal materials into the medicine furnace, he reached out and patted the wall of the furnace. The flames seemed to have spirituality and slowly rotated in the medicine furnace.

Those medicinal materials are quickly calcined and extracted in the violent flames around the periphery, and as long as the pure medicinal liquid is extracted, they will be immediately sent to a stable position in the center of the flame.

As the flames burned around the periphery, the dozens of medicinal materials were also refined. Dozens of drops of pure medicinal liquid were floating and wandering in the center of the medicine furnace. Seeing this scene, Yao Xun smiled slightly and raised the wine pot and took a sip. Then he slowly patted the wall of the furnace.

Zuo Feng found that he had actually sent a trace of spiritual power into the medicine furnace, and instantly wrapped dozens of drops of medicine liquid in it, isolating it from the flames outside.

(End of this chapter)
Chapter completed!