After reading the Basic Refining Weapon Decision, Fu Yu did not continue to comprehend other refining jade slips. Instead, he rummaged through things in the Chengtian Ring.

After a while, Fu Yu finally found more than ten kinds of materials from them. These materials are the worst materials in the Chengtian Ring, but each of them is a priceless treasure in the eyes of the new disciples.

Fu Yu was actually going to use it to learn the basic refining weapon at this time.

If it was a refining apprentice who saw Fu Yu trying with such a material, he didn't know how to feel, I am afraid that everyone would jump to their feet and scold Fu Yu for his violent destruction of heavenly things.

At this time, a smile appeared on Fu Yu's face, and he didn't know what kind of expression Elder Ye Quanduo Ye, the elder of the Iron Chisel Peak who had refined the Song Hao Sword for him in the first place, would have when he saw this situation.

At the beginning, he was very excited to get two pieces of heptane gold mine, and at this time, the price of the materials in his hand was at least dozens of times that of heptane gold mine. If he knew that he was using such materials for the first time he learned to refine weapons, he would probably immediately vomit blood.

Thinking of this, Elder Ye's burly figure and dark face couldn't help but appear in front of Fu Yu's eyes. Let Fu Yu sigh inexplicably.

Qingyun Sect!

No matter how backward he is, he is still his hometown, no matter how high his cultivation is and how strong his strength is, he still can't forget the days and nights in Qingyun Sect.

The arduous struggle and cultivation of the outer gate, the former yearning, the former ideal, are still so clear. Those who used to be classmates, friends, and even hostile ones are now vivid and cordial.

Although at this time, he has far surpassed his original pursuit, and even reached the realm that he didn't dare to imagine when he was crazy. However, at this time, he was still not satisfied, and pursued higher ideals.

At the beginning, he fantasized about becoming a Jindan, but at this time, he was afraid that he also fantasized about becoming a monk of a higher order. It seems that everything has changed, but nothing has changed.

Life is like this, and to live you must have pursuits. It's like climbing a staircase that never ends. You can choose to stop or continue climbing.

If you stop, you will endure the unwillingness of countless people to surpass you, and if you continue to climb, you will also bear the hardships that must be paid to move forward.

Any choice is helpless, just as there is no eternal best place in life. Whether you are happy or good, crying or laughing, as long as you can feel the process of life happily, this life is worth it.

Let his thoughts wander for a long time, and for a long time, Fu Yu retracted his thoughts.

He took a piece of the material in his hand and did not immediately calcinate it with a flame as before. This is a piece of metal ore in Fu Yu's hand, and he carefully analyzes this ore with the dialectic technique in the material chapter.

The weight, shape, purity, and type of impurities, all the information about this ore was well known to Fu Yu.

These contents and compositions of each piece of material are different, and the method of removing impurities and the grasp of heat are also different. Only by thoroughly understanding it before refining can it be refined using the corresponding method, so even if it is the same variety of material, it is necessary to make great efforts to identify it and lay a good foundation for the next steps.

After confirming it several times, Fu Yu spewed out a flame, and the flame was constantly changing according to the key points of the fire chapter, sometimes large and sometimes small, sometimes high and sometimes low.

In Fu Yu's divine sense, the material began to heat up, change color, soften, and melt, and the changes in impurities were also extremely different.

Suddenly, Fu Yu withdrew the flames, looked at the unprocessed material, and fell into deep contemplation. Under Fu Yu's powerful divine sense, he found that it was not difficult to grasp the changes in the main components of the ore, but the impurities in the ore were different and ever-changing, and it was extremely difficult to clean up all the impurities without special techniques.

According to the method of the basic refining tool decision, the impurities will be removed by a maximum of 80%. And the remaining impurities are fused with the ore body, and the quality of the spirit weapon refined in this way is definitely not high.

However, these impurities have always been connected to the ore body and cannot be separated at all.

Could it be that the method of the Basic Refining Weapon Decision is too simple to increase the chance of removing impurities? Fu Yu deliberated the Basic Refining Weapon Decision again for a long time, and there was indeed no omission.

Looking at the other jade slips, Fu Yu picked up the Nine Techniques of Decomposition with a single move, and put his divine sense into it.

Half an hour later, Fu Yu still frowned. Put down the jade slip, pick up a jade slip again, and figure it out carefully. In this way, I actually finished reading all the jade slips one by one.

And the doubts in Fu Yu's heart were even stronger, and all the jade slips did not find the answer that Fu Yu wanted. Although there are some techniques that can improve the probability of removing impurities, it can be seen at a glance that the effect is not great in Fu Yu's eyes.

In fact, Fu Yu entered a dead end because there was no one to guide him.

There are indeed impurities in these materials, but they can still be used in refining tools. Moreover, from the actual operation, there are still a lot of impurities in the materials in the magic weapon. As long as the impurities are small enough to a certain extent, they will generally be ignored by the refiner if they have little impact on the spiritual weapon.

Of course, the cleaner the impurities can be removed, the higher the level of the spirit weapon that can be refined.

High-level refiners have their own set of experiences in removing impurities, and although each person's methods are different, they all have great benefits for the quality of the refiner.

These experiences are all valuable experiences that refiners have explored after countless refining attempts, and of course they cannot be purchased from the street.

These should be the concerns of high-level refiners, and the reason why Fu Yu was able to discover this problem at the beginning was mainly because he had a strong divine sense, was not afraid of high temperatures, and all the changes in refining spiritual objects fell under his control.

In addition, he himself is also an extremely powerful alchemy master, although there are many differences between refining and alchemy, there are still many similarities, especially the elder of Haoran Sect who guides Fu Yu, also thinks that although alchemy and refining methods are different, they have the same path, but the avenue is the same.

If someone guides, he will naturally tell Fu Yu about these things, but Fu Yu is groping by himself, of course, it is extremely difficult, and he always wants to get rid of the impurities.

"How do I do that?"

Fu Yu's right hand lightly tapped on the tabletop, making a clicking sound. But there were countless thoughts turning through my mind.

There are several kinds of impurities in each piece of ore, and there are even dozens of kinds, although the number is not large, but each has a different melting point, while refining the ore, some impurities are refined, and they are quickly removed, and some are not refined, and are turned into countless particles in the liquid of the ore.

These impurities are like mud mixed in water, and the water is muddy, and it is impossible to separate them. For this kind of impurity, maybe you can use the method of filtration to get rid of it, Fu Yu nodded.

And there is one of the most helpless, that is, these impurities melt together with the ore, and there is no way to separate them.

What to do about this impurity?

Fu Yu found that the methods recorded in these jade slips were all aimed at the first impurity, but there was no record of the second impurity. The third type is even more insignificant.

After all, Fu Yu discovered that with the method of using the basic refining weapon, even if he operated impeccably, there were still a large number of impurities left in the ore.

Let's think of a way to solve the second impurity first.

In a moment, Fu Yu thought of a method, which was based on his powerful divine consciousness that was not afraid of high temperatures. Actually, it's a simple divine sense exorcism.

Use your mind to control the particles, then manipulate them out of the liquid as if they were spiritual weapons.

I'm afraid that only Fu Yu in this world can think of this method, you know, put your divine consciousness into that mineral liquid, the terrifying high temperature, and the ordinary person's divine consciousness will be burned to ashes immediately. It was only possible to do this with the strength of Fu Yu's divine sense, combined with the mysterious repair ability of the purple star.

Thinking of this, Fu Yu couldn't help but praise himself for being smart. As soon as he said that, he picked up the half-refined piece of ore and spewed out a bright yellow spiritual fire to envelop it again.

Soon, the ore melted into a mass of liquid again, and Fu Yu's divine consciousness gushed out and threw it into the liquid, and countless particles flew out one by one under the control of Fu Yu's divine consciousness.

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