In the process of Qin Chen's rest, Qi Suphur Skeleton prepared a lot of things, but all of this was just preparation before refining, and what made Qin Chen stunned the most was that Qi Suo's Skeleton actually only took out a piece of Xuaniron, and it was also a piece of Xuaniron without any treatment.

"Isn't it strange why I use such rough metal?" Qi Sufu asked with a smile.

Qin Chen nodded, "Indeed!"

"We refiners just need metal that has not been treated at all!" Qi Sufu shouted confidently and forcefully, "If you are given a piece of metal that is perfect or reflective, then it is obvious that it has been treated, so that we don't know what kind of flaws this metal has, or rather, what kind of effect it has on the refiner!"

For example, this piece of dark iron, indeed, dark iron will only appear in yellow-level and Xuan-level weapons, but who can guarantee that it cannot forge earth-level and heaven-level weapons? Although the chances are very small, don't underestimate the possibility of any piece of metal!"

Hearing this, Qin Chen's face was extremely solemn, "I understand!"

"Okay, then next, take a closer look!" Qi Suoru rolled up the sleeves of the clothes he had just changed, put the rough black iron block in the furnace, and violently urged the flame with both hands, the furnace fire ignited instantly, and even the horror of the temperature reached a white flame, and the entire furnace was burned red, and the sound of "chirping" continued to sound in the furnace, although Qin Chen was a little curious, he did not approach.

"Now it's just about smelting the dark iron, and at the same time, the impurities in it need to be completely eliminated in this smelting process!" Qi Sulfur explained.

Qin Chen just nodded, he found that at this time, it became extremely hot here, and even the air became extremely dry, but his face at this time was not the slightest discomfort, on the contrary, it was all excited!

The temperature in the furnace was still rising, and the dark iron had already turned into a fiery red liquid like magma, and even the sound of bubbles bursting could be heard, and the fire-lit courtyard was red.

"The purification of each metal is different, this needs to be mastered by each refiner, when the dark iron is completely purified, it can be poured into the stone mold!" Qi Sulphur said as he released the stone mold of a long sword, and carefully poured the black iron into it, the fiery red dark iron did not splash any sparks when it came into contact with the stone mold, let alone melt the stone mold, and the fiery red dark iron slowly cooled down and solidified in the stone mold.

After a while, the Xuantie sword embryo in the stone mold gradually cooled, and the sword body was still extremely red, but Qi Sulfur directly took out the sword embryo, and the most important thing was that the stone mold did not change at all.

After taking out the sword embryo, Qi sulfur skeleton picked up the hammer and kept beating at the sword embryo, with the continuous beating, the sparks splashed, and the red light of the sword embryo gradually disappeared, obviously, the sword embryo has begun to cool, Qi sulfur skeleton turned around and put the sword embryo into the furnace just now, but obviously, this time the temperature was much lower than before, when the sword embryo burned red again, Qi sulfur skeleton raised the hammer again and kept beating.

However, to Qin Chen's surprise, the appearance of the sword embryo rarely changed due to the constant beating, and Qin Chen didn't ask why.

Because, he knew, Qi Sulphur would definitely say, "Forging weapons are not ordinary forging weapons, and now they need to refine and carve out the Yellow Level Final Seal, so every hammer is a preparation for the later refining and carving!"

Although Qin Chen didn't know why he said this, the next scene really opened his eyes, only to see that the Qi sulfur skeleton was completely different from the previous strength, it was completely full of strength, the sword embryo was constantly being beaten and stretched, and it was constantly elongated, and when it was half longer than the original length, Qi sulfur skeleton stacked the Xuantie sword embryo in half, and continued to temper, elongated, stacked, elongated, and stacked again, and the cycle continued uninterruptedly.

After a long time, Qi Sulphur finally stopped the process of elongating and overlapping, burned the sword embryo red again, and continued to beat it carefully as at the beginning, Qin Chen could find that although the sword embryo had not changed much, the blade of the sword began to gradually become narrower, and the spine of the sword began to become thicker.

Qi Suoru raised the sword embryo, took a closer look, and felt very satisfied, and after slightly burning the sword embryo red, he put it directly into a trough next to it, and suddenly the fire was everywhere.

Qin Chen was very surprised, what was going on?

"This is quenching! This is the last step in forging the sword, and it is also the most important step, if it is successful, it will be done, and if it is not successful, it will not be able to return to the sky! All the hard work will be in vain!" Qi Suqi said solemnly.

When Qi Sufu finished speaking, the sword embryo in his hand was taken out, and there were bursts of white smoke emitting from the sword embryo, and when he took it out, there were even countless flames gushing up, and when Qin Chen took a closer look, he found that it was liquid, and it looked like water!

Nodding with satisfaction, Qi Sulphur put down the sword embryo, "Now it's just a matter of waiting, in fact, the first and most important process of forging has been completed now, and then the second most important process is refining!"

"Refining and engraving is not directly refining and engraving the yellow-level final seal, but for this sword, is there anything else wrong with it, increasing or decreasing the abilities of the yellow-level final seal, so that the ability of this sword can be doubled or even several times! This is the role of the yellow-level final seal!" Qi Suqi said solemnly to Qin Chen.

Saying that, Qi Suoru didn't care about the scorching heat of the sword body, picked up the long sword and waved it, his brows furrowed, and then his hands stretched out suddenly, and the Xuantie Sword instantly hung in the air, but Qi Suo's body pointed to the Xuantie Sword in the void with his right hand, his eyes were slightly closed, and he didn't know when a wound appeared on his fingers, and the blood slowly oozing out, and then, Qi Suo's Void began to carve a mysterious pattern.

Although there was a big difference, Qin Chen knew that this was the Yellow Level Final Seal.

"It turns out that this is refining carving!" Qin Chen couldn't help but exclaim.

When the yellow-level final seal was formed in the void with blood, Qi sulfur skeleton suddenly retracted his right hand, and pointed the palm against the yellow-level final seal, and the palm attracted the Xuantie sword embryo through the yellow-level final seal, and when the sword body came to the palm of Qi sulfur skeleton, Qi sulfur skeleton pushed out the yellow-level final seal in his hand violently, hitting the sword body lightly and heavily.

Suddenly, the golden light burst out, the blood light dissipated instantly, and the yellow-level final seal appeared on the other side of the sword body through the sword body, and it became extremely huge, and the entire yellow-level final seal was as big as the sword body!

When the golden light dissipated and the void pattern of the yellow-level final seal also disappeared, Qi sulfur retracted the Xuantie sword with his backhand, looking at the yellow-level final seal above the sword, Qi sulfur looked very satisfied.

"The two most important processes have passed, and then it seems a little easier, but the Xuantie Sword has been dealt with, and this is a success!" Qi Sufu said vaguely about these words in the later stage.

However, even if he didn't need to say it, Qin Chen knew what to do next, which was to prepare the equipment and sheath, and make the Xuantie Sword sharp!

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