Chapter 334: Refining Again

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Near the volcano, there is a building complex made of firebricks, and these buildings are full of fire veins, and the fire veins are all ground fires that have been burning underground for thousands of years. These fire veins have been tempered for thousands of years. The temperature of the annual ground fire is so high that it can easily melt gold and break iron. It is the lowest kind of strange fire in the world.

And those ground fires overflowing the ground through the cracks in the crustal rocks were built into ground fire pools, which can be rented out to casters or alchemists to refine tools and alchemy through the seal control of formation masters. Transforming flames or refining alchemy with real fire consumes soul power and real energy extremely.

The ground fire pool is suitable for martial arts professionals who want to practice weapon refining or alchemy for a long time.

The Chiyan Luo family also has a ground fire pool here, and there are three ground fire rooms above the ground fire pool. These three ground fire rooms bring a lot of income to the Luo family every year, and this kind of income is long-term and costless. Yes, this is also one of the reasons why the Liu family is jealous of the Luo family's property and wants to drive the Luo family out of Chiyan City.

There are more than a dozen of such ground fire pools in Chiyan City, and each owner is at least a second-rate force in the Condensed Yuan Realm, while the Chiyanluo family is now so lonely that there are only three innate true energy masters, and only a third-rate force. The power has one ground fire pool and three ground fire chambers, how can this not make others greedy.

If you have a treasure mountain, you must have the strength to protect it, otherwise you will only attract others' covetousness.

And now Luo Yu is in a fire room dedicated to castings in the Luo family. The temperature in the fire room is extremely high, with a shocking 60 degrees. He will die of dehydration in a while, and only warriors dare to stay in such a place for a long time.

There is no other furniture in the basement fire room. There is a futon on the ground, and a pool filled with water for quenching the fire. In the middle is a deep round hole the size of a human head, and a fiery red light can be seen in the depths. The underground is ground fire pool. There are five short stone pillars around the crater. This is a third-grade fire-gathering formation. The stone pillars are engraved with mysterious formation patterns, and there is a notch on it to place the primordial stone to activate the formation. Just put the primordial stone into the formation It can be activated to draw the underground fire up.

Luo Yu put a primordial stone on each of the five stone pillars, and suddenly the light on the stone pillars flowed, and the formation was caught in it, and a traction force acted on the fire mouth, and a crimson flame rose from the fire mouth with a bang, and the flame rose The temperature in the ground fire chamber rose by more than ten degrees again.

Luo Yu put the red copper true furnace of the fourth-grade treasure rank given to him by Qiankun Ring Zhonghao on the fire mouth, and the inscriptions on the red copper true furnace immediately absorbed the burning force of the ground fire and ignited in the furnace. A group of more pure ground fire.

Luo Yu let the red copper real stove warm up slowly on the burner to preheat, and then put the large pile of ore materials in the storage bag in the ground fire room, all kinds of ores occupied the ground fire room Most of the area. Then the forging table, iron hammer, iron tongs, sharpening stone and other things were also taken out.

After the melting furnace was preheated, Luo Yu put a piece of five-jin bronze into the melting furnace. This time, he still wanted to refine a first-grade mortal weapon, the bronze sword. The last time he refined it was under the guidance of Old Hao. , and this time he will refine it alone.

Put your hands on the red copper real fire furnace, true energy and soul power poured into the real fire furnace to control the ground fire and melt the bronze.

Although the soul power of warriors who have not yet reached the spiritual state has not transformed into spiritual consciousness and can be released in the air, but the soul power of the warriors or alchemists who are stronger than ordinary warriors can use the soul power to sense the flames and control the flames at close range. And this is one of the reasons why casters and alchemists have high requirements for soul power.

Thanks to the previous refining experience, Luo Yu knew the melting point of bronze. He controlled the temperature of the flame to reach the melting point of bronze, and the bronze quickly melted into bronze molten iron. Then he controlled the flame to purify and melt at a constant temperature. The bronze, remove the impurities.

A moment later, the volume of the bronze molten iron was one-third smaller and suspended in the red copper real furnace. Luo Yu slowly lowered the temperature, and at the same time pulled the melted bronze into a rectangular sword shape with his soul power, and slowly turned off the flame, and the bronze also It condensed into a bright red long sword shape.

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The bronze was wrapped in true energy and taken out. Luo Yu clamped the red bronze with iron tongs and put it on the forging table for continuous forging. After being beaten into a sword embryo, the blade of the sword embryo is thinned, the hilt and the hilt are punched out, and the sword embryo of a bronze sword is considered complete.

Afterwards, Luo Yu put the bronze sword embryo into the red copper real fire and returned it to the furnace for heating. After the sword embryo was burnt red and reached the quenching temperature, it was taken out and placed in the quenching pool beside it.

White smoke rose up, and the bronze sword embryo was quickly cooled and quenched, and the hardness of the sword reached a very hard level.

All that is left is to use the sharpening stone to grind out the edge of the sword. So far, a first-grade ordinary bronze sword can be regarded as a successful casting.

Holding the bronze sword, Luo Yu flicked it with his fingers, and the sword made a clear sword sound. Hearing the sound, Luo Yu nodded in satisfaction. It takes two hours to refine the bronze sword

The bronze cost of a bronze sword is only a few hundred taels of silver, while a successfully refined first-grade bronze sword can be bought at a high price of ten low-grade primordial stones. From this, we can see the huge profits of the metalsmith industry. Even a first-rank caster can live a wealthy life by relying on casters.

The price of a weapon of the first rank is ten yuan stones, that of the second rank is thirty yuan stones, and that of the third rank can be sold for a high price of one hundred. Once the weapons of the fourth rank are refined, the price of the weapons of the treasure rank will increase ten times. , can be bought at a high price of one thousand yuan stones.

Luo Yu put the bronze sword aside, and put a piece of harder black iron ore in the real red copper furnace. This time he wanted to refine black iron sharp arrows for his own use.

The black iron sharp arrow is also a first-grade mortal weapon, but because of its small size, it is more difficult to refine than the bronze sword.

Sure enough, because it was the first time to smelt black iron, Luo Yu was not familiar with its melting point temperature, and the first piece of black iron ore was smelted by Luo Yu because of the high temperature.

Luo Yu frowned, and then controlled the red copper real furnace, and the waste slag was discharged through the special slag discharge port under the melting furnace. Another piece of black iron ore was put in, this time Luo Yu learned to be smart and did not heat up quickly, but added the temperature bit by bit to find the melting point temperature of black iron.

Finding the melting point slowly in this way is extremely time-consuming, and the casting master is a process of accumulating experience. There are many kinds of ores smelted, and the melting points of various ore materials are well known, and refining is very easy. Quick, just like Luo Yu refining the bronze sword, because he has refined it before, the second refining will be very fast.

In fact, the melting point and temperature of various materials are recorded in Mr. Hao's refining notes, but Luo Yu doesn't want to rely on refining notes for everything, and wants to explore by himself, and only reads Mr. Hao's refining notes when he encounters unsolvable problems. Only in this way can the refining technique be truly improved.

Just like we do the exam questions, tell you the answer directly, and if you don't analyze the problem-solving ideas yourself, your grades will not improve.

This time it took Luo Yu an hour just to find the melting point, and five pieces of black iron ore were smelted wasted. It was not until the sixth time that he really found the melting point of the black iron ore.

Melt, purify, remove impurities, forge, fail, melt again, purify... and time is passing bit by bit...