"Now the timer begins. After speaking, Venerable Peach Blossom Valley silently counted in his heart.

"It just so happens that I want to refine one too. ”

The exam questions of Venerable Peach Blossom Valley were very much in line with Lin Yifan's mind, so Lin Yifan went to do it with great interest.

Since he had never refined the Purifying Pill at all, he didn't know which medicinal materials the Purifying Pill was made of, and he could only rely on his own ability and intuition to refine the medicinal materials alone.

After Venerable Peach Blossom Valley's two-hour explanation just now, Lin Yifan was already familiar with the attributes, efficacy, refining temperature and refining time of each medicinal material in the alchemy room;

The main function of the Pulp Cleansing Pill is to help cultivators wash away the marrow and replace it with immortal bones. Of course, it is not a direct bone exchange, but to cleanse the impurities in the mortal bones of the cultivator and introduce pure cultivation power.

Therefore, among the refining materials of the myelin washing pill, there must be medicinal materials that clean up the impurities of the human body.

Lin Yifan quickly thought of several medicinal materials, but none of the medicinal properties of these medicinal materials could directly enter the bones to clean impurities.

Therefore, at this time, auxiliary medicinal materials are needed.

Lin Yifan thought of several medicinal materials that could carry other substances into the bone marrow of the human body, but the medicinal properties of these medicinal materials were insoluble in the blood of the human body, so they could not follow the blood flow and go to the bone marrow everywhere in the human body.

Therefore, at this time, auxiliary medicinal materials are needed again.

Medicinal materials that can be dissolved in blood and can be transported with substances, Lin Yifan quickly thought of several more. However, these properties can easily disappear in the air, so it needs a protective layer to protect it.

Medicinal materials that can contain medicinal properties that melt into the blood and will quickly dissolve when exposed to acid, Lin Yifan immediately thought of several.

After sorting out the entire path of medicinal action, Lin Yifan began to grasp the medicinal materials.

First of all, he grabbed medicinal herbs that could clean up the impurities of the human bone marrow, and the medicinal herbs that could have this function were none other than the water lotus. It is the most representative medicinal herb and has the most obvious effect.

The water lotus is very precious, more sought-after than the Tongmai grass, and in the outside world, the auction price of a water lotus is tens of billions, which is very terrifying.

However, in this valley full of rare medicinal materials, there are incredibly many water lotuses, as long as Lin Yifan wants it, he can always get it.

Because the water lotus is more precious, it is placed in a high-rise drawer, Lin Yifan will not work lightly, so he can only move a high stool, climb up step by step, and then sit on it to grab the medicinal materials.

Looking at this scene, Venerable Peach Blossom Valley couldn't help frowning.

A middle-level and high-level alchemist doesn't know how to do light work, so does he really devote all his time to alchemy? But I haven't seen much of his achievements?

"It seems that I have to teach him the light skills of "Alone in the World". Venerable Peach Blossom Valley muttered quietly.

"Walking in the World" is the fastest light skill so far, if it is picked up by Lin Yifan, he will definitely laugh and lose his teeth.

After grabbing the water lotus, Lin Yifan went to grab the medicinal materials that could carry substances into the bone marrow of the human body.

Among these medicinal materials that can carry substances into the bone marrow of the human body, Lin Yifan found a kind of refining temperature lower than that of the water lotus, so he chose this medicinal material.

This medicinal herb is called the piercing bone branch, which is of medium grade and is located in the middle drawer of the medicine cabinet.

Lin Yifan searched one drawer after another, and soon found the bone-piercing branch, so he quickly grabbed a large handful of the bone-piercing branch, put it on the medicine plate, and then left in a hurry.

The refining of the Cleansing Pill was timed, so he had to hurry up and grab the medicinal materials.

The next step is to grab the herbs that dissolve in the blood.

Lin Yifan's first choice must be the medicinal materials whose refining temperature is lower than the refining temperature of the Piercing Bone Branch, but after ruling them out one by one, he found that none of the medicinal materials were lower than the refining temperature of the Piercing Bone Branch, and at this time, he had to use catalytic medicinal materials to assist.

Catalytic medicinal materials can catalyze the medicinal properties of medicinal materials at a lower temperature than the refining temperature, so catalytic medicinal materials are more commonly used in daily alchemy, and it is precisely because of the existence of these medicinal materials that there are so many types of medicinal materials, because they can complete the work of ordinary relative contradictions.

Therefore, Lin Yifan chose two kinds of medicinal materials, one is a medicinal material that dissolves in the blood and can carry substances to transport - blood carrying flowers, and the other is a low-temperature catalytic medicinal material - Wuzhi.

After grabbing these two medicinal materials, Lin Yifan went to grab the medicinal materials that could protect the blood-carrying anthers.

He found that several herbs could protect the medicinal properties of the blood flower, and that these herbs were still combined, so he grabbed a little bit of each.

These herbs are: sharp beans, hydrated grass, and sand green leaves.

After grabbing the medicinal herbs, Lin Yifan began to refine the pill non-stop.

At this point, twenty minutes had passed, and there was not much time left for him.

Because when he was grasping the medicinal materials, he thought about the refining steps and the order of refining the medicinal materials, so when he came to the Dan furnace, he immediately added water to it, and then put in the water lotus, and then began to make a fire to refine.

While controlling the heat and thinking about the next refining, Lin Yifan made full use of the time.

After refining the water lotus, he already knew the detailed refining of each step of the next step.

It took him twenty-six minutes and thirty-two seconds to refine the water lotus; he couldn't make sure that all the medicinal properties of the water lotus were refined, he could only say that he would refine it as much as possible; after all, he had no experience in this unfamiliar medicinal material, so he could only rely on his own intuition to refine it.

After the first step is refined, it will be the second step.

The second step is the refining of the piercing branches.

The medicinal properties of the piercing branch surround the medicinal properties of the polyester water lotus, which protects the medicinal properties of the polyester water lotus from being violated by other medicines, which is extremely important.

Therefore, Lin Yifan spent about thirty minutes and forty seconds to refine.

The third step is the refining of blood flowers and Wuzhi.

The effect of the blood flower is actually similar to that of the piercing branch, which is a carrier, and the medicinal properties of the blood carrying flower surround the medicinal properties of the piercing branch, so after this step, it is equivalent to an egg without a shell and only a membrane.

Egg yolk is the medicinal property of the water lotus, the egg white is the medicinal property of the bone-piercing branch, and the egg membrane is the medicinal property of the blood-carrying flower. Surrounded by layers and protected by layers.

Since the third part has catalytic medicinal materials, Lin Yifan only gave about ten minutes to refine this step.

After the third part is refined, it is time for the final step, which is to make the shell of the "egg" without a shell.

After pouring all the sharp beans, hydrated grass, and sand green leaves, Lin Yifan began to patiently refine them.

Don't look at the fact that he only completed the short three steps, in fact, it had already taken more than sixty minutes, and now there was only more than thirty minutes left for Lin Yifan, he must complete the last step of refining in these more than thirty minutes, otherwise he would have no chance with the alchemy of Venerable Peach Blossom Valley.

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