Long Yuan couldn't help but feel the situation of the true qi in his body, although he knew that the Wen Yang Ding Furnace would not need such a large amount of true qi in the future, but I am afraid it was still a large amount, which gave him a headache.

After the lid is closed, the hook on the lid automatically fastens the edge of the furnace, and Long Yuan controls his mind to close the pores on the lid to cool the temperature when necessary.

"Is it possible to calcine the True Qi in this way? Wouldn't those closed places be equivalent to cracks? Once the True Qi in them is heated, won't it explode?" Long Yuan's mind was full of doubts.

"You're very good at spotting problems, but that's all, ask me to knock you again. "Chi Hong Dao.

Long Yuan pursed his lips, dispatched an unquenchable flame from the sea of qi and placed it under the Ding Furnace, the flame entered the stove of the Ding Furnace and immediately burned violently, Long Yuan felt a burst of heating in his body.

"Let the flames enter through the upper passage of the stove, and then block the surroundings of the refining furnace with true qi, build a pipe to channel the hot gas into the sea of qi, and at the same time run the fire crown to burn the sky. Chihong reminded at the right time.

Long Yuan did so, and soon controlled the hot qi rising above the sea of qi, and after the hot gas entered the sea of qi, the true qi inside also began to surge.

"The speed of expanding the air sea has been accelerated. Long Yuan was surprised, he didn't expect that refining weapons could produce such an effect at the same time.

"Because the refiner is distracted from refining weapons, he is not happy in cultivation, and this is also a way to solve the drawbacks. Chihong explained.

"I see. ”

"Let's use these true qi as test items first, refine a weapon that can be seen, and then I'll figure it out on my own. When it was time to change the flame to the passage under the stove, it was introduced into the furnace. Chihong said and walked away.

Long Yuan looked helpless when he heard this, and said in his heart: "What do you mean that you think it's time, at least teach me how to do every step, or show me how to do it, and let me draw a scoop according to the gourd." Why doesn't every master teach me true knowledge? ”

Seeing Chihong leave with his hands gone, Long Yuan had no choice but to concentrate on feeling the situation in the Ding Furnace in his body.

"Hey, although the true qi in the furnace is heated and produces high pressure, it doesn't seem to be overflowing from the closed place, what's going on?" Long Yuan was surprised in his heart, and secretly sighed that this refining furnace was really a strange thing.

The true qi in the Ding furnace did not change much after a long period of calcination, and the day passed.

Since Chi Hong calcined Long Yuan's true qi with an inextinguishable flame in Long Yuan's body and then compressed it with the power of flames, those true qi were compressed to the extreme by the unparalleled power of this tyrannical power, and they became a furnace-shaped. Now that the outside of the Ding Furnace is heated, the true qi that was originally condensed into an entity inside it has been sublimated again into a very high degree of condensation and density.

Therefore, the amount of true gas calcined in the furnace began to increase.

"What is the purpose of calcining true qi for? When can you lead the inextinguishable flame into the Ding Furnace, and what is it used to lead the flame into the Ding Furnace?"

Long Yuan observed the increasingly dense True Qi in the refining furnace, and felt that his head was big for a while, and he had no idea what the meaning of what he was doing was.

Sensing that there was no longer any change on the wall of the refining furnace, Long Yuan first withdrew the flames at the bottom of the furnace and fell into deep thought.

As he pondered, the true qi in the refining furnace began to cool, and finally turned into a puddle of clear water.

After pondering for a long time, Long Yuan still couldn't imagine how to refine weapons, he didn't even have the slightest idea about it.

"Hey!" Long Yuan sighed and continued to sink his mind into his body.

"Huh?" When Long Yuan "saw" that there was a puddle of clear water in the refining furnace, he was also surprised.

"Fresh air is really different from air, it is heated and pressurized by gaseous state and then cooled to change the state. In this way, wouldn't it be possible to turn into a solid state if it was violently calcined?In this case, you can use the flame to soften it, and it will be!" Long Yuan opened the furnace mouth as if he had discovered a new continent, and then poured his true qi into the refining furnace, and continued to calcinate it with an inextinguishable flame.

With this discovery, Long Yuan naturally increased the fire, and the clear water in the refining furnace evaporated into true qi again, which in turn increased the density of true qi in the furnace.

Therefore, Long Yuan calcined these true qi and then cooled it and then continued to supplement the true qi for calcination, and after another day, after the true qi cooled, the refining furnace was covered with a layer of "salt grains", which was essentially "ice crystals" turned into "clear water".

"It's really like this, the true qi has become solid. Long Yuan was overjoyed. But then he frowned again, how could these ice crystals form a weapon?

"It's not that simple. Long Yuan pondered, just to increase the density of the True Qi and then cool it down into a solid state, it is impossible to possess the shape of a weapon.

"If you let the water take shape and then cool it when the real gas is in a liquid state, you may have a shape. ”

Long Yuan controlled the temperature of the Immortal Flame, allowing the solid ice crystals in the furnace to turn into clear water.

Now his mind is extremely tired, and in order to shorten the time, he can only blindly increase the fire, otherwise he doesn't know how long it will take for those ice crystals to completely turn into true qi again.

Half a day later, Long Yuan's forehead was covered with fine beads of sweat, and this refining made him tired.

"Aren't you alright?"

Long Yuan felt a feeling of dizziness in his head, which was a sign that his telekinesis was about to run out.

"The teacher said that the weapon that turns the true qi into a physical requires metallic true qi, how to use the metallic true qi? Long Yuan's mind sank into the sea of qi, and after a stick of incense, he found the trace of metallic true qi in his body.

"Huh?"

Just when Long Yuan wanted to invoke the metallic true qi in his body, he found that that the trace of true qi seemed to have taken root in the sea of qi, and it was extremely difficult to mobilize.

Long Yuan was tired and sweating profusely, and finally adjusted the metallic true qi to the sky above the sea of air after panting.

Then Long Yuan removed the flame at the bottom of the furnace, opened the furnace mouth, and directly sent the metallic true qi into the gas refining furnace, mixed with the liquid, and finally opened the fire to the lower passage of the stove mouth.

The Flame of Immortality burned in the furnace, and Long Yuan controlled the flame to envelop the mixed liquid.

Meditating on the appearance of the dagger in his mind, Long Yuan reluctantly controlled the flames to form a mold, and finally gradually lowered the temperature of the inextinguishable flame.

Now that Long Yuan had just obtained the Immortal Flame, it was too difficult to control its temperature changes.

Eventually, Long Yuan was exhausted and withdrew the flames, and soon the liquid solidified into a cylinder full of potholes. As soon as his mind moved, the cylinder flew out of the furnace and appeared in his hand along the beetle path in his arm.

Now one of Long Yuan's heads seemed to explode, and his temples felt like he had been stabbed with a needle.

Long Yuan held his head, lay on the ground and tossed and turned, and finally barely fell asleep.

Half a day later, Long Yuan woke up, the headache was slightly relieved, he picked up the more than a foot long cylinder and knocked on the table, it felt quite strong, and the hardness was similar to aluminum.

"It's like a dog gnawing on it......" Long Yuan looked at his "masterpiece" and laughed at himself.

At this time, Chihong also came back from outside, and when he saw the small cylinder more than a foot long in Long Yuan's hand, he raised his eyebrows.

"Alright?" Chihong asked.

"I didn't know it, so I made this. Long Yuan raised the cylinder in his hand.

"What weapon do you want to refine?"

"I wanted to refine a short sword, and it turned out to be like this. Long Yuan said.

"You came out with a stick to refine the short sword, do you want to beat the dog?" Chihong said sarcastically.

"This ...... Teacher, I don't know how to refine weapons in the first place, but it's good to be able to refine like this. Long Yuan scratched his head and said.

"Yes, I can just pull a martial artist from the Transformation Realm to use a beast fire for him, and he can refine a water and fire stick, and you don't want this stick to give it to beggars." Chihong criticized Long Yuan mercilessly.

"Then refine, refine this stick back into true qi. The True Qi of refining weapons can no longer enter the sea of Qi, and after refining and extracting it out of the body, you need to be familiar with the process of the three states of True Qi. ”

"Teacher...... Can I eat something first?" asked Long Yuan.

"Eat, it's good, it's good to be refining like this, and you still want to eat, if you don't refine this stick today, I'll see who dares to make food for you." Hmph!" Chihong snorted angrily and walked out of the stone gate.

Only Long Yuan was left alone, looking at the stick in his hand pitifully.

After Chihong came out of the stone room, an old face turned from anger to joy, and said: "I have found a treasure, and I can become a body by groping for the first time to refine a weapon by myself, which can only be done by a half-grade refiner, although the stick is far from the short sword, but the first time I can refine it like this, maybe I can directly become a half-grade refiner after refining a few more times." ”

Long Yuan naturally didn't know the changes on Chihong's face outside in the stone room, he endured the hunger in his stomach and incorporated the ugly stick into his body and threw it into the refining furnace.

Rubbing his sour temples, Long Yuan controlled the inextinguishable flame to calcinate at the bottom of the furnace, turning the cylinder back into true qi.

After refining these true qis, they are no longer the same as the true qi in the sea of qi, and entering the sea of qi will cause a violent rejection of those true qi.

Another three hours passed, and the cylinder disappeared completely, leaving only a furnace of extremely dense gas.

"Whew. ”

Long Yuan took a breath and muttered: "Refining once consumes so much True Qi, and it fails, if it fails a few more times, and if it fails to refine into a weapon, the sea of Qi will dry up first." ”

Because of the reason for constantly pouring the true qi in the sea of qi into the refining furnace, more than half of the true qi in the sea of Longyuan qi had been consumed, and this was still the result of his constant operation of the fire crown and burning the sky to replenish the true qi, otherwise his sea of qi would really be at the bottom.

Long Yuan finally understood the reason why the refiner was relatively slow in cultivating to enter the realm.