In Liu Yun's most noisy years, he often rolled around on Lao Hu's back and legs, pestering him to tell stories about the rivers and lakes, imagining how heroes jumped across rivers and seas, stepped on the foot of thousands of mountains, how to take people's heads with swords, how to dare to recklessly dare to resign after drinking, and how to wash the eighty battalions in one night. When he was hungry, he pestered the master to eat meat, and the master smiled and asked the baby apprentice whether he wanted to eat tiger meat or black bear meat, no matter how tricky Liu Yun asked, Lao Hu would be able to find the meat that the apprentice wanted to eat at once. The only request that he didn't agree to was to open the box, and the master always said that one day Liu Yunneng would no longer rely on the master, and he would be able to open the box himself to see what was inside.

Holding the polygonal key, Liu Yun suddenly had an urge not to open this box, and pestered the master carefree all his life, how good it would be to be a little apprentice who would never be sensible. But emotion is emotion, and reality is reality.

Slowly twisting the key, after a few clicks, the lock was opened, taking a deep breath, Liu Yun opened the lid. I saw a pink stone, a scroll of iron, and a few long nails.

"Apprentice, take out the pink stone and show it to the old farmer. Lao Hu interrupted Liu Yun's gaffe.

"Yes. Liu Yun bent down and picked up the stone, which was different from what he imagined, surprisingly light, lighter than the rotten wood of equal size. Hand the stone to the old farmer. Duan Tian, who wanted to come up to help hold the stone, was surprised after touching the stone: "Hey, it's so light!" So he relieved Liu Yun to hand over the stone to his grandfather.

Holding the stone in his hand, the old man looked carefully, touched and touched, sniffed and sniffed, and then fell into deep thought.

After a while, he raised his eyebrows and looked at Lao Hu with a frown: "Engong, is this stone master Engong untouchable?"

Duan Tian and Liu Yun are puzzled, what is it that can't be touched?

Unexpectedly, Lao Hu smiled meaningfully and nodded.

"Engong has heard of the rumored 'unicorn' in the rivers and lakes?"

"Qilinzi, that's the same I thought. But how do you use this object for your own use?"

"To extract the unicorn ore, be sure to burn it with the fire of extreme refining, pour the molten iron into the mold groove, drip into the blood of the master, after leaving the fire of the extreme refining, the molten iron will solidify after a breath, and it can no longer be melted, be sure to drip blood before coagulation, otherwise it will become an ownerless thing forever. ”

Lao Hu nodded when he listened, and after contemplation, he returned to his usual smile with relief. "Apprentice, remember what Old Master Duan said today. Put the stone back in the box, and take out the iron roll and nails inside and put it on your body. ”

"Master......" Liu Yun put down many doubts in his heart and did as the master said. It was not good to ask questions in front of Old Master Duan and Master Duan, and after the master smiled, he could feel that he was hiding sadness.

"I didn't expect it, I have cast weapons all my life, and I have seen countless Shentie, but this legendary thing is only in rumors, I don't want to see it today, although I have no regrets about death!"

After a moment of gaffe, the old farmer asked: "Engong, this unicorn can be hidden, if it is passed out, although I don't know who Engong is, but I am sure that even the Martial Emperor City and the five major factions will come to snatch it at all costs." Tian'er?" As he spoke, the old farmer threw the golden knife he was carrying to Duan Tian.

As the owner of the villa, he often deals with the entire rivers and lakes, so he is naturally refined to the bones. Hearing what his grandfather said to Engong, Duan Tian gritted his teeth, picked up the favorite knife of his grandfather's life, stuck out his tongue, and cut it with a swing.

Just as the quick knife was about to stick to the tongue coating, Duan Tian's body shook, and the right hand holding the knife waved in front of him, his painful expression looked hideous, but there was no blood left.

The golden knife appeared in Lao Hu's hand, and while handing it to the old owner, he said: "No need to do this, take out this thing and show it to you, I can trust your grandfather and grandson." ”

Duan Tian was covered in cold sweat and swallowed his saliva, "Engong, please rest assured, today's matter will never reach the ears of the fifth person, Duan Tian swears here." ”

"The oath of trust between people comes when they lose it, and we don't have to do that with each other. Lao Hu interrupted Duan Tian's words and continued: "It's not a secret, a hundred years ago, the rivers and lakes called me 'Bu Shen', and there were very few things that I didn't know, so whether the two of you would spread today's events in the future, I already knew before you said it." ”

"I should have guessed that Engong was one of the two Hades kings in the rivers and lakes a hundred years ago. It's just that after all these years, I can't believe it's true. ”

"Do you think my old man has returned to the West?" asked Lao Hu.

"Hahaha......" several people laughed at the same time.

......

Pour out the daily things of the master and apprentice in another box, and place the four best things in the sword-casting pool, such as "black mud", "bronze", "rusty lump", and iron box.

He drove everyone else out of the cave and sealed the door.

"Open the Pixiu Pond!" said the old farmer. The new owner walked over to the sword-forging pool and reached out to press the mechanism on the wall. There was a "rumbling" sound, and the six-zhang wide sword-casting pool split from the middle, and magma and molten iron flowed down the rift. From the middle rose a small pool the size of a zhang, the golden mineral fuel in the pool burned, the golden flame was only two or three inches high, but the heat wave hit people, rolling in, and after a while, the stone chamber wall made a "pop" popping sound.

"The flames in this Pixiu Pond are not idle fires, and Engong and Little Engong should be careful. This material is too heavy, I'm afraid I have to bother Xiao Engong to take the material personally, let Tian'er assist, and I will guide by the side. ”

"No problem, please ask the old gentleman to tell me. Liu Yun said.

"Black clay, bronze, and rust are thrown into the flame at the same time and calcined. ”

Liu Yun grabbed three kinds of treasure iron and put them on the flame. Approaching the flames, Liu Yun only felt that the water in his body was steaming rapidly, and the pain in his skin was unbearable, so he hurriedly retreated two feet away. The hair on his forehead was curled in a big piece, his eyebrows were much lighter, and his clothes smelled of burning.

"What a fire. Liu Yun couldn't help but say.

"Hahaha, this is the real treasure of Sword Casting Villa, just rely on it to eat. Duan Tian joked.

After burning for two hours, the black mud rippled like a living liquid, rolling on its own, resistantly rolling the outermost layer of the burned surface inside, and the cooler part of the inner layer came out to continue to resist. So repeatedly, strands ripple.

Bronze is no longer cyan, turning from green to red like a steamed crab.

"Bronze is cast into a cylinder and filled with black clay. Duan Zhi became enlightened.

Duan Tian brought several iron clips, iron rods, and iron hammers cast by cold iron, and cooperated with Liu Yun to cast the two heavy objects into one, both of which were burnt metal, which was very soft, so it didn't take too much effort, the difficulty for Duan Tian was that this thing was too heavy to hold it himself, otherwise it could be completed in a moment. The difficulty for Liu Yun was that the fire was so fierce that the hammer of cold iron burned soft after three or four strikes on the bronze, and he had to constantly change tools.

Fortunately, the Duan family is a world-famous casting family, and Liu Yun is extremely smart, so he finished the easiest part, and the two soft objects were cast into iron columns.

At this time, Liu Yun's clothes were already roasted, and pieces of burnt holes appeared on his clothes, and there was not a drop of sweat on his body, and he was evaporated as soon as he sweated.

Look at the rusty iron above the fire, the rust on the surface is burned, revealing his own appearance. But the place where the flame was attached was burned gold, and most of the top half was still black.

"Don't worry, this kind of iron is difficult to burn, and it is still in the state of ore, until it is completely refined and finalized, don't think about letting it be melted again. Duan Zhicheng said to the old nonsense.

"Haha, don't worry, I've been waiting for eighty years, and I'm not in a hurry for this time. It's just that the horse outside can't wait. ”

In the villa, Ma Wentian, who was asked to wait for Liu Yun in the guest room, waited for most of the day and didn't see Liu Yun come out, so he insisted on breaking into the sword casting pool to see what was going on. Of course, Yu Dehai and Tie Renxiong had to obey the old owner's orders and not let anyone in.

......

"Liu Yun, Liu Yun, how are you?" Ma Wentian shouted as he walked briskly into the cave in rags. Tie Renxiong, who was lying on the ground, was already unconscious. Yu Dehai's consciousness is still clear, and there is only one thought in his heart: "Lao Tzu wants to learn art again!"

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