Shen Yun returned to the residence of the test child, sat cross-legged on the bed, recalled what he had seen and heard today, and his face showed a deep groan.

After he and Li Ling'er left Taibai Building today, they walked around in this Liuyunfang City, going in and out of many shops, and had a deeper understanding of the strength of Liuyunfang City, and at the same time they were very worried about the next trial.

For those rich and powerful disciples of the family, there are many treasures in this Liuyunfang City, which is of great help to improve their strength. It's just that for a casual cultivator like himself, he can only look at it, feast his eyes, and he is really shy in his pocket, and he suffers from not having a spirit stone.

However, he finally found the "Refining Workshop" and asked a monk to make a talisman for himself, which really made him overjoyed. In four days, it will be the second level of the trial, and if you get the heavy water knife, your strength will be greatly improved.

Thinking of this, Shen Yun couldn't help but stroke the agarwood beads in his hand, and sighed in his heart.

Today, it can be regarded as turning most of the shops in the southeast area of Liuyunfang City, among them, none of the elixirs or magic weapons that help condense the soul have been found, which makes Shen Yun secretly worried about the night girl.

It was useless to think too much, Shen Yun sat cross-legged, took out a gray and white spirit stone that had not been completely refined, and closed his eyes to cultivate. I saw that the Buddha beads in my hand seemed to have a sense, and the faint golden light flickered rhythmically with Shen Yun's breathing, one bright and one dark, and the spirit stone in my hand was illuminated by the golden light, and the milky white aura ran along the arm and body, which was refined and absorbed by Shen Yun, and drilled into the flesh and blood.

Early in the morning, the sky was full of stars, and it had not completely receded.

Shen Yun pushed open the door and walked towards the middle of Liuyunfang City, and when he passed through a few alleys, he came to the "Refining Workshop" and saw the old man with a broken arm yesterday. At this time, the old man had already attached the machine arm to his left arm, and this machine arm had obviously been processed and improved, and the color was very different from before.

"Oh, Childe is very punctual. When the shopkeeper saw Shen Yun coming, he bowed his hand to Shen Yun, then walked to the door and sealed the door with a wooden plank.

"Shopkeeper, congratulations on getting the arm of the machine, like a broken arm regeneration, you are ......" Shen Yun saw the shopkeeper's left hand, and congratulated with a smile, and when he saw that the old man seemed to close the door of the store, he was shocked.

"Hehe, don't worry about it, although the small shop is not big, its reputation is guaranteed. If you want to build a high-level talisman in three days, the small shop really can't be divided into people to come to the store, and the small shop has always been deserted, and few people come, so I simply closed it for three days, and my son and I made every effort to build a heavy water knife for my son. The old man chuckled, hung a wooden sign saying "Close the door" outside the door, and opened his mouth to explain.

"Then there is the shopkeeper of Law. Shen Yun listened to the old man's words, nodded, and saluted the old man respectfully.

Then, Shen Yun followed the shopkeeper to a blacksmith shop built in the backyard, where a forty-year-old black-faced man was shirtless, pulling a windmill hard.

"Dad, you're here, this is the son who built the Heavy Water Sword. The shirtless black-faced man was covered in knotted muscles, sweat on his body, and he only said hello from afar, and began to pull the windmill again, and the furnace in front of him was blazing, and a pool of black molten iron was bubbling inside.

"Well, after a night of barbecue, the black steel axe and the Xuanyuan iron chain have finally turned into molten iron, and now the molten iron can be poured into the heavy water knife mold, and the crude knife embryo can be refined. The old man led Shen Yun into the stove in the blacksmith shop, stroked his beard and said.

After Shen Yun walked into the furnace, he felt a heat wave rushing to his face, and the smell of burnt hair came from his eyebrows, so he hurriedly ran the qi refining mantra to isolate the heat wave.

"Well, yes, yes, the spiritual power in the body is very rich and runs freely, originally I was worried that you wouldn't be able to control the 'heavy water knife' created by the old man. I just don't know what the physical strength of the son is? The black steel sand is extremely sharp, the Xuanyuan iron is very heavy, plus the auxiliary materials promised by the old man before, I am afraid that the 'heavy water knife' built by the old man is no less than 200 catties, and the ordinary iron hammer is only like this. "The old man saw that as soon as Shen Yun entered the shop, he was able to release a thin layer of spiritual power attached to the surface of his body in an instant, so as to isolate the heat, and the spiritual power operated freely, which was really commendable, but seeing Shen Yun's cultivation as a high-level qi refiner, his words changed, and he couldn't help but ask.

"Hehe, don't worry, old man, I still have some brute force. Shen Yun chuckled lightly, took off his clothes, put them in a corner of the room, and strode to the stove.

Shen Yun clenched the wooden bolt in his right hand, pulled it hard, the windmill in front of him didn't move at all, his eyebrows couldn't help but raise, and he used seventy percent of his strength to pull the windmill, and his heart sank, and he couldn't help but look at the black-faced big man a few points.

Shen Yunyan exerted his own strength, his right hand kept pulling, and the flames in the furnace were in this wind, and the flames suddenly swayed, and the Dao sparks flew in all directions.

"Good boy, seeing that you are pulling the windmill now, you still have the strength to spare, and the physical body refining is no weaker than that of the average top-level qi refiner, which is really good. It's just that your control of strength is not in place, you can only use brute force to pull, you don't know how to use the strength of your waist and whole body, I'm afraid that you won't last long, but I kept pulling all night. The black-faced man nodded, praised in his mouth, and couldn't help but mention it.

"Well, do you use all your strength......" Shen Yun listened to the words of the black-faced man, and carefully recalled the way the big man pulled the windmill just now, drawing a gourd in the same way, learning to pull it, it was really a lot easier, but he always felt that something was missing.

"Well, what Dongzi said is right, Childe created this heavy water knife, presumably there must be a corresponding knife technique. Childe needs to explore the windmill by himself, find the right feeling, and learn to mobilize the strength of the waist, the strength of the whole body, so that he can pull the windmill effortlessly. And the principle of the knife is even more so, the instantaneous explosive power of the force to split Huashan, by no means can be done by brute force alone, the more than 200 pounds of the big knife, if it is used as a big stick to wield, give up the knife method, how can it be used to the fullest? The old man has not built a talisman for many years, but he doesn't want to return to the first work of the old business, just like this, the son still needs to understand the knife technique these days. The old man saw that although Shen Yun was talented and intelligent, he was affected by external forces and could not be flexible, so he couldn't help but mention the principles of his sword technique.

Shen Yun listened to the old man's words, and thought carefully about the words taught by the night girl for a month, and suddenly had a feeling that he could see the sun and suddenly open his mouth. Although his heavy water knife method is a great achievement, he always feels that something is missing, and it turns out that the problem lies with himself.

I've been following the knife style in the book.,Stick to one move and one style.,Even if there is a night girl to guide.,It's still just a reference to imitating the night girl's moves.,Can't break the rules.,Create your own moves.。 If you don't break it, you should now throw aside the heavy water knife method in the book and comprehend it yourself, and you should combine the moves in the book with your own strengths and weaknesses to create your own "heavy water knife method", which can truly achieve the unity of people and knives.

Shen Yun couldn't help but laugh out loud when he thought of this.

"Thank you for the shopkeeper's teaching, I understand, the use of power depends on one's own exploration, to find the right feeling, knife technique, only the knife technique created by oneself is really suitable for oneself knife technique. Shen Yun grinned at the old man with the broken arm, and said respectfully.

"Well, the children are teachable. Dongzi, you are tired all night, let's go down and rest first, striking iron is not just a handful of strength, a hammer down, if the strength is not accurate, I am afraid that the famous knife will become scrap iron. The shopkeeper stepped forward, took out the great knife that had been poured into the mold, placed it on the iron table by the stove, took the hammer, and struck it with a clang.

The black-faced man nodded, and then withdrew from the shop, went to the well in the courtyard, washed up, and went into the next room to rest.

Shen Yun on the side wiped the sweat on his forehead, and encouraged the windmill hard to ensure that the fire in the furnace was burning.

In this way, Shen Yun stayed in the "refining workshop", and took turns with the old man to strike iron and pull the windmill, and after a day of tempering, the heavy water knife in his hand finally began to take shape.

"Well, after a day of repeated smelting and hammering, this heavy waterjet has a knife shape, and the black steel grit is completely integrated with Xuanyuan iron and other auxiliary materials, which is really rare. The old man raised the rough knife shape in front of him, looked at it carefully, and couldn't help but speak.

"This is all the credit of the shopkeeper, if it were not for the master's skill, if it were someone else, it would never be possible to temper the knife shape in one day. Shen Yun looked at the black big knife in front of him, wiped the sweat on his face, and said excitedly.

"Childe is polite, my father was originally able to create a low-grade spirit treasure, but he is a well-known refining master in Liuyunfang City, known as Lu Qiuzi, but an accident occurred during the construction process a few years ago and he broke off an arm, so he had no choice but to retire. The black-faced young man only rested for half a day this morning and returned to the blacksmith shop to help, taking over the work of the old man with a broken arm, and taking turns striking iron with Shen Yun, standing aside at this time, he said with a cold face, his tone was full of pride.

"Dongzi, it's all in the past, why bother mentioning it again. However, this heavy water sword, now only has the shape of the knife, has not yet been shaped, colored, and opened, and the handle and scabbard have not been made, especially the work of drawing the spirit pattern, it must not be sloppy, and it takes three days to really need to hurry. The old man listened to the words of the black-faced man, waved his hand, and seemed unwilling to mention the past, and then lowered his head, stroked the blade of the knife, and said softly.

"Well, I don't want the old man to be the famous refining master Lu Qiuzi in the past, I have read the name of the shopkeeper many times in reading "Interesting Stories of Flowing Clouds" and refining books, saying that you have a 'Luban Wonderful Hand'. Since time is pressing, I will stay here tonight to assist the master, and I will return early tomorrow morning. When Shen Yun heard the name of "Lu Qiuzi", he was shocked, and then his face showed joy, and he hugged his fist at the old man, and said respectfully.