The refining hall was busy, and all the children of the Nangong family brought by Nangong Yan were assigned tasks by Yan Lao and began to refine the materials in their hands, and only Nangong Yan, Yan Lao and Xie Xinran were left in the entire field without moving, as if they were waiting for something.

Yan Lao squinted his eyes, there was a glint of essence in his eyes, and in a moment, the thunder power of his whole body gushed out, and a hot breath came out of his body, and in an instant, the temperature of the entire refining hall rose to a step again, as if it was scorched by the sun, and everything was about to melt away.

"Go!"

Yan Lao snorted, and with a wave of his right hand, a red flame poured out of his body, towards the place where the earth fire gushed. In an instant, as if a drop of water was dropping into an oil pot, the purple flame flame boiled instantly, the flame rose, and the red flame and the purple flame fused together, entangled with each other, and it seemed that the temperature had a rising trend.

"What is he doing here?" Lei Yu was puzzled, he had never seen someone refining a weapon, so he naturally didn't know what Elder Dao Yan wanted to do.

"He was adjusting the flame temperature of the Purple Flame Flowing Fire, and each refining master had his own optimal temperature. It's not that the higher the temperature, the higher the success rate of refining thunder soldiers. ”

"This guy seems to be quite familiar with refining weapons, judging from his movements, he is afraid that he has refined a lot of thunder soldiers. Otherwise, there would be no such self-confidence. Boy, you have to take a good look, although you want to refine the Abyss Spear with the method of water refining, this method of fire refining is also extraordinary, and the two complement each other, which will also be of great benefit to you refining the Abyss Spear in the future. ”

Yin Ming said earnestly, such an opportunity is too rare, and he doesn't want Lei Yu to miss it.

Lei Yu nodded, naturally knowing the meaning of the Yin Dao. Although the method of fire refining and the method of water refining are not the same, they are both the method of refining weapons after all.

After comprehending this method of fire refining, Lei Yu's refining level will also improve a lot, at least it can increase the success rate of refining the Abyss Spear.

Nangong Yan and Xie Xinran didn't ask Yan Lao why he did this, the two of them stood aside, Nangong Yan vigilantly guarded the surroundings, while Xie Xinran didn't have the slightest expression, and couldn't see what was going on in his heart.

Lei Yu didn't move, with Yan Lao demonstrating the method of fire refining in front of him, Lei Yu naturally had to concentrate on learning and make up for the gap in refining.

As a result, in the refining hall, there was no movement on several sides, and a delicate balance was formed in the refining hall, which was a little weird, no one made a sound, and it was very quiet.

Ziyan Liuhuo became more and more well-behaved under Yan Lao's training, not as turbulent as before, and the temperature also dropped a little. It's just that for all this, Yan Lao nodded, with a look of satisfaction on his face.

Half an hour passed, and among the other sub-refining halls, the children of the Nangong family successively handed over the materials for refining the good Lu to Yan Lao's hands, and in a short period of time, there were various light clusters suspended in front of Yan Lao, which was very strange.

These are all material solutions refined by the children of the Nangong family, and the effectiveness of these auxiliary materials themselves is not very high, so it is appropriate to hand them over to the children of the Nangong family for refining.

"Nangong Fairy, now that the auxiliary materials have been prepared, the old man will start to condense the thunder soldiers now! Please keep the fairy outside the door and not let anyone enter the refining hall. ”

Yan Lao said to Nangong Yan, here Nangong Yan's cultivation is the highest, so naturally this task of defense has also been handed over to her.

"Of course!"

Nangong Yan didn't shirk either, her mission to come to the Refining Hall was like this, and besides, she was also clear about Yan Lao's rules for refining thunder soldiers, so naturally she wouldn't let anyone else be present.

"Come out with me, and then just leave it to Elder Yan. Xinran, you can also go out, now that the thunder soldiers have not yet taken shape, it is useless for you to stay here. ”

Nangong Yan greeted a group of Nangong family's children, and even Xie Xinran called out of the body, and only Yan Lao and Lei Yu, who were hiding their figures, were left in the entire main refining hall.

"It's all gone, it's time for the old man to refine the weapon!"

Yan Lao saw that everyone in the Nangong family was gone, and a smile appeared on his face, looking at the clump of materials in front of him, he couldn't help but have a trace of frenzy in his eyes.

What the refiner cares about most is the refining material and the earth fire, and now that he has both things, he is naturally excited and inexplicable, and it is the time to show his skills.

"Remove impurities!"

Yan Lao's body turned into a fiery red flame, and his entire body began to burn. Suddenly, a fiery red flame emerged from his body, rolling towards the various clusters of light in front of him. In a moment, streams of black substance poured out of these clusters of light, accompanied by puffs of black smoke.

Lei Yu knew that this was Yan Lao removing impurities, and a material must contain all kinds of impurities, only by removing all these impurities from the body, the quality of the Lei soldiers refined after the most refinement would be guaranteed.

These light clusters are the result of the initial treatment of the children of the Nangong family, and the impurities in them have not been removed, but now after such refining by Yan Lao, the impurities in these materials can be regarded as the most complete removal, which can ensure the quality of Lei Bing to the greatest extent.

"It seems that this Yan Lao is still a bit level, and he can actually remove the impurities in these materials in a concentrated manner, and what he just said about being able to refine high-grade Gangbing is not a joke. ”

Lei Yu watched from the sidelines, very concerned, this was related to the success or failure of his future refining of the Abyss Spear, and he couldn't help but be careless.

Judging from Yan Lao's refining techniques, there is no doubt that Yan Lao's level is still quite high. Removing the impurities in the material is the first step in refining the thunder soldier, and it is also a very important step, the average refiner will remove the impurities in the material one by one, but it is very rare to concentrate on removing the impurities like Yan Lao.

It is not uncommon for refiners to remove impurities in this way, but these refiners are all highly skilled refiners. Otherwise, it can only show that the person refining the thunder soldier does not understand the refining weapon at all, and is just removing impurities indiscriminately, and even if the thunder soldier is refined at the very end, it can only be a mess.

The blazing flames enveloped these clusters of light, and the flames in the refining hall were leaping, and clusters of black substance flowed out of these clusters of light, and all the luminous clusters seemed to be much brighter, and the materials were more pure.

In this way, the quality of the thunder soldiers refined after the most canon will undoubtedly be greatly improved, and it is not impossible to refine the top-grade gang soldiers. And, not only that, but it's also very likely.

For the next day, Yan Lao didn't bother with the earth fire gushing out, but focused all his attention on the materials. After the refining of the true fire in his body, all the materials have been tempered once, and the degree of purity has increased by a few points.

And in this process, Yan Lao was also a little tired, Rao was at the peak of his Lei Gang Stage, and he couldn't stand it if he kept removing the impurities in these materials. Fortunately, he had prepared enough Lei Yuan Dan to maintain his refining speed.

The next day, Yan Lao stopped refining these auxiliary materials, and spent all his time resting to recover the thunder power and divine thoughts consumed on the first day and prepare for the next refining.

On the third day, Yan Lao began to process these materials that he had removed impurities, and wanted to fuse these materials into one to form the prototype of Lei Bing.

This process was undoubtedly complicated, almost draining the thunder power from Yan Lao's body, and even the divine thoughts were almost on the verge of collapse. However, in the end, these were all resisted by Yan Lao, and these materials were smelted into the prototype of a long sword, just waiting for the main materials to be added to the main materials after the most Lu and became a real thunder soldier.

On the fourth and fifth days, Yan Lao chose to rest again to make up for the previous consumption. And during this period of time, the refining hall has also remained calm, and no one has disturbed Yan Lao's refining weapon, as if no one has paid attention to the situation in the refining hall at all.

Lei Yu also felt a little strange, for this period of time, he had been staying in the refining hall, and he had learned almost all of Yan Lao's refining techniques, and he benefited a lot. But this does not mean that he is defenseless against the Xiao family, this is already the fifth day of refining weapons in the Refining Hall, and there is still no shadow of the Xiao family, Lei Yu felt a faint trace of uneasiness in his heart.

His divine thoughts revealed through the main refining hall, and he could see that the children of the Nangong family had almost finished, leaving only Nangong Yan and Xie Xinran still left, waiting for the final refinement of Lei Bing.

Lei Yu didn't believe that the Xiao family gave up so easily, although he didn't know what the Xiao family wanted, but he was able to break into the refining hall several times, and he didn't repent, obviously, there were some unknown secrets hidden in this refining hall, and it was extremely important to the Xiao family.

Time passed, the time of the sixth day was soon up, Yan Lao opened his eyes again, the old man's face was no longer tired, but full of energy, and there was a faint essence in his cloudy eyes, like a youthful youth.

"It's time to work on the main material!"

Muttering to himself, a gray pouch appeared in Yan Lao's hand, which was the space bag that Nangong Yan gave him at the beginning.

"Huh!"

A black light flashed out, and in a moment, a black stone the size of a fist appeared in front of Yan Lao.

This stone is black all over, but it is not the ordinary black, but there is a flash of bright light, and it is covered with some strange runes, like the stars of the heavens, flashing with brilliant light, shining in the starry sky.

"Star Meteorite!" Lei Yu recognized the stone at first sight, and a trace of surprise flashed on his face.

Star meteorite, as the name suggests, is a stone formed by a meteorite falling from the sky to the earth, and it has supreme power. It is rumored that every star meteorite is mixed with the power of the stars, as long as some star meteorites are added during the refining process, the quality of the thunder soldiers will be greatly improved, which can be said to be a rare material.

"Boom!"

At this time, a roar came out, the momentum was amazing, accompanied by a strong aura, although there were still some sub-refining halls, but still could feel the huge power, this is someone is going to break into the refining hall.