Fortunately, Xue Feng reduced the internal melting of the soul fire in time, which made the feeling appear for only a moment. If the burning sensation stops on the body for three or four seconds, the Divine Forging Master himself will suffer severe mental trauma. At the least, mental weakness will occur, and at the worst, schizophrenia will become a madman.

Xue Feng couldn't help but sigh again. With this third-party assistance system that he cheated, he really saved a lot of time than others while also making him less dangerous than others.

However, although Xue Feng's proficiency in the casting of soul spirits was greatly improved, the casting of soul spirits still consumed extremely mental power. Before the casting mold had reached one fifth, Xue Feng's forehead was sweating profusely because he used too much mental power.

But Xue Feng knew that even if he was a little tired now, he could not just stop. Once he stopped, he would waste all his previous efforts, and the titanium black gold would be directly scattered by him.

"I don't believe it. If I have this system to help me refine the soul-melting casting for a certain time, it will fail!" The mental fatigue made Xue Feng's eyes full of blood, like a river of blood flowing on the snow. Xue Feng felt cruel. He couldn't deal with the soul-melting casting for a certain time. Not to mention going to the depths of the universe, he couldn't even get out of the earth!

No one around him watched him train, but if he fails, he will feel extremely unhappy. Moreover, the big yellow dog beside him seems to be full of expectations for him - although it is a big yellow dog, it is a big yellow dog with a soul!

"The soul gathers in the dantian, walks along the veins, the heart is like the sea, and the mind is like one..." Xue Feng silently recited the mantras in his heart, constantly controlling the heat in his hands. He is very tired now, but he holds it in his breath and makes him not want to give up!

Xue Feng gritted his teeth and felt all the changes coming from his palm. Under his cheating control, the black metal ball began to become extremely thin and gradually covered it on Jiuquan. This process took Xue Feng a full half hour from the beginning to the end!

However, while Xue Feng was crazily casting the mold, what he did not notice was that the soul energy factors scattered around him were constantly rushing towards the soul fire in his hand. When it was less than three meters away from his soul fire, it would disappear on its own and turn into the flowing light and enter the soul fire.

Under the flow of the soul energy factor, a gentle warm wind blew in the air. The warm wind blew across the big yellow dog's smooth fur, making it feel a little comfortable, and squinted on the ground and looked extremely enjoyable.

At the same time, some dormitories that have turned off the lights turned on again...

As time goes by, Jiuquan's translucent black stick body was completely covered with an extremely thin layer of titanium black gold skin. In the night, titanium black gold reflects the city lights, and the lights reflect Xue Feng's face. This face is a little pale at this time, but it is full of stubbornness and ruthlessness.

Until now, the casting mold has only been half completed. Next, it is a more terrifying process of mental power consumption - completely melting the remaining titanium black gold into thin lines with a diameter of less than a millimeter and slowly pouring it into the black empty shell, filling it with it.

Xue Feng's thought moved, and Jiuquan turned into blue light and disappeared into the titanium black gold mold, leaving a thin layer of metal shell...

Looking at the hollow steel pipe in front of him, Xue Feng was breathing heavily, but his heart was filled with a sense of accomplishment. A sense of joy could not be stopped. The big yellow dog beside him was also excited, and he wanted to rush up to lick Xue Feng and lick him.

"Next, pour the remaining titanium black gold into it..." Xue Feng didn't care about resting. At this time, he was so excited that he couldn't even sleep if he didn't finish his soul melting today!

The black metal ball began to boil as the soul fire heated in Xue Feng's hand. While controlling the steel pipe with the soul fire, Xue Feng pulled the metal ball into liquid thin filaments as thin as hair. The thin filaments kept flowing down the pipe wall, filling the entire steel pipe. This process took Xue Feng another hour. It was already late at night. The originally noisy city gradually became quieter at this moment, and the cars and pedestrians on the road became sparse.

"It's done... I'm so exhausted." Xue Feng wiped the sweat from his forehead. Only then did he notice that his whole body was wet with sweat.

"The next step is quenching." Xue Feng thought to himself that this step was much easier than the previous steps, and almost no mental energy was consumed.

Quenching is logically necessary to require extremely cold water, but with the development of the profession of the Godcaster for tens of thousands of years, this step has become easier with the research of generations of people, and a melted fire can be handled!

According to the strategy he had just exchanged, Xue Feng's mind moved, and the white inner flame of the soul fire in his hand instantly rose up, swallowing the blue middle flame directly, like a snow demon pulling up on the ground. At the same time, Xue Feng clearly felt the temperature around him decrease, and the data in front of him also showed that the inner melting of the melted fire now changed to -5 - the positive number is heating, and the negative number is extremely cool. This is the basic operation that all apprentice-level god casting masters can do.

The white inner flame is pale and looks like a bit bitter.

Under the scorching snow-white soul fire, the black steel pipe in front of him made a hissing and cooling sound. White mist kept rising in front of Xue Feng, covering Xue Feng's entire body in the thick fog. Under the fog, a layer of white frost appeared on the surrounding walls at this time. The temperature was so low that it was obvious!

After a fog, Xue Feng hurriedly put away the soul power and soul fire. Since it was the first time to quench, he had no experience at all, and he had no idea that the temperature of the soul fire could actually drop so low!

"It's so cold." Xue Feng sneezed. His lips were frozen a little purple by the cold mist, and his eyebrows and eyelashes were covered with white frost. The big yellow dog beside him seemed to be very cold. He kept running back and forth in the same place, thinking that his body was increasing its calories.

"This temperature is at least minus 20 degrees Celsius? Calculate it according to the average drop of the air temperature around the negative inner melting degree in the book by 4 degrees Celsius..." Xue Feng sneezed again and said to himself. According to the information in front of him, the minimum internal melting degree of his melting fire was -15, which means that he can control the minimum temperature to -60 degrees Celsius.

"It seems that there is no need to turn on the air conditioner in the summer." Xue Feng said to himself, picking up the black stick in front of him and looking carefully. Although the black stick does not have the golden pattern on its appearance, the overall shape is exactly the same as Jiuquan. Now the thing in Xue Feng's hand is just a semi-finished product. There are two steps in melting and casting, namely engraving and gathering souls. One step of engraving is the key step of allowing the Horcrux to be integrated into the soul melting and casting, which requires the purchase of corresponding engraving drawings and engraving materials.

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