"Well, it's almost now, just wait for all the materials to melt thoroughly, and then spread the melt evenly on the blade so that the melt can seep into the blade." Old man Duan squinted and said. Ling Li ignored him, and used the fluorite used to cast the mold to carve the shape of the flying knife, and made the mold with his own hands.

"What are you doing?" Lao Duan took a sip of wine and asked.

"I feel that this material is rich, it's a pity to throw it away, and I'll add some fine iron into it later, and cast a few flying knives."

"What a money junkie."

"You know what." Ling Li made a gesture of contempt, "Saving is glorious, wasting is shameful!" ”

"This makes sense, how did you come up with it?" Old man Duan was stunned, "I think it is appropriate to hang these two sentences on the front wall of the classroom of the School of Manufacturing every year, so that the students can recite them silently every day and keep them in mind from time to time." ”

Now there is nothing to do, only the raw materials are completely melted, so the two of them returned to the hall, and used the stove to make a Korean-style iron plate barbecue, while explaining the details of upgrading the weapon refining, and drank up another jar of old wine, this sorghum wine is not high in alcohol, but it is full of stamina, and Ling Li feels a little dizzy.

After more than two hours, all the materials in the furnace were melted, and when viewed from the furnace door, the whole was in a golden liquid state, emitting a blazing light.

According to Duan Wuya's instructions before, Ling Li first used fire tongs to pinch out the long knife of calcining, and then opened the discharge port, and scooped out a large spoon of hot melt with a material spoon. Then with a slight touch of the fingers of his right hand, the golden liquid in the spoon was very evenly smeared on the surface of the long knife that had been simmered, and as Ling Li manipulated his spiritual power to smear and quench the scooped melt, the surface of the narrow long knife was gradually covered with golden-red molten liquid.

With Ling Li's soft snort, a powerful wave of spiritual power surged out from his seal hall, wrapping the battle knife in it and beginning to pressurize.

Driven by his spiritual power, the molten metal melt also turned into thousands of threads and slowly infiltrated into the blade, changing the countless subtle structures in the alloy of the blade. This is an extremely complex infiltration process, and only a spirit master with strong enough spiritual power can do such subtle operation and control.

Buzzing......

Under the pressure of powerful spiritual power, as these metal melts seeped into the inside of the long knife, the original metal balance attribute in it seemed to be broken, and the blade was violently trembling, making a buzzing sound.

"Give me fusion!"

Ling Li continued to pressurize, and the spiritual power that wrapped around the surface of the battle knife strengthened again.

Laugh at!

As his spiritual power compressed again, the molten metal on the surface of the long knife was directly pressed into the blade by a strong pressure, and it was forcibly combined with the original metal.

"This is the pressurized infiltration process of high-grade alloys, as long as the spiritual power is strong enough and the pressure applied is enough, the weapons produced are much more powerful than those made by industrial smelting methods. Pressurized infiltration in the metallurgical industry cannot be controlled so finely. Ling Li was operating with all his might, but Duan Wuya was explaining leisurely on the side.

The whole quenching was carried out several times, until the blade was saturated and no longer absorbed a fraction of the molten liquid, and then he stopped and placed the cast blade on top of the anvil. At this time, the dark red streamer on the surface of the blade flickered, as if there was active qi.

Strike while the iron is hot!

Ling Li didn't stop, his mind moved, a metal hammer appeared in his right hand out of thin air, he used the fire tongs, clamped the still red blade, swung the heavy hammer, and began to ping pong and forging continuously.

Forging is the last step of refining, and it is also the most labor-intensive step, the whole step is divided into three parts: rough forging, precision forging and grinding, a full four hours later, when the forging of the last step of the long knife and ten flying knives is completed, Ling Li can be regarded as completely relieved.

The long knife and the ten forged knives are put back into the furnace for calcination, and the final step is to carve the pattern. Only after completing the depiction of the source force formation, the blade of the blade releases the source force blade after infusing the source force, can it be regarded as a complete achievement.

This is his first high-grade weapon, and in the process of making it, he is naturally extremely hard and careful.

All night, early the next morning, the morning sun was rising, and Ling Li was finished.

The knife is three feet long, the blade is narrow, slightly curved, like the saber style of later generations, the back of the horse is thicker, with a neat fish scale pattern forged out. Gently stroking the blade, the original brilliant luster on the surface has been hidden under the blade under the forging of Ling Li, and the entire surface of the blade is covered with some dark red lines.

Ling Li showed the blade of the knife that had not yet been loaded with a knife handle to Old Man Duan, "Good knife, indeed a good knife!" The old guy's fingers caressed the blade of the knife, and the good name stroked the girl's body, with a cheap face, "I can't bear to give it to you."

"Cut!" Ling Li snatched the long knife, "Does this knife have anything to do with your old man?" ”

"You can make this knife without my guidance?!" Old Man Duan was immediately furious.

"Hehe, that's not for sure." Ling Li smiled shamelessly, "Besides, when refining the weapon, your guidance was obtained by me in exchange for two jars of old wine and a large bag of braised vegetables. The remuneration has been paid, and our master and apprentice are considered to be clear. ”

Old man Duan almost fainted, he had seen shameless, but he had never seen such shamelessness.

"Look, why don't you speak, you're out of words......"

"Get out!" The old guy finally squeezed a word viciously out of his teeth.

It's not too difficult to upgrade this sword, but it's not that simple to refine.

The process of upgrading the war bow is very complicated, the inner bone of the bow arm alloy has to be smelted with a number of rare earth metal spars for penetration, and then the internal pattern is re-carved, and then the outside needs to paste the demon beast horn pieces above the sixth order, beast blood, beast glue, etc. Legend has it that the ancient bow god soup is lifelike to make a bow, with Zinan dragon bamboo as the core, Kui Niujiao as the barber, infiltrated with Xuanjin, the backbone of the green dragon as the string, the white tiger's tooth as the cluster, the feather of the Vermilion Bird as the feather, the divine bow made is called the god killing bow, which can be described as the first divine bow in the world.

This tendon has to be peeled into filaments, soaked in high-grade animal blood for several days, and then kneaded with alloy wires to spin into bowstrings, and then it needs to be infiltrated with high-grade alloys, and then carved on the surface.

In addition, arrows must also be made of high-grade alloys and high-grade animal bones.

"Well, slicing the horns and wrapping the alloy arch bones, this is how the composite bow is made." Ling Li nodded and said.

Old Man Duan took it for granted, "All good bows are made of composite products, and this natural material always has various defects, which must be processed through various processes to make up for it." ”

It seems that in a short period of time, it is impossible to complete the upgrade of this green owl bow.

Old Man Duan is indeed unique in terms of hand-refining.

Under his guidance, Ling Li first soaked the tendon with the snake's blood, and after a few days, forged it into sheets, then torn it into uniform filaments by hand, and then melted the iridium with real fire and infiltrated it, and then woven it together, so that a pair of bowstrings could be completed.

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