Just as Luo Yu was muttering in his heart, the white ball in his right hand finally changed, only to hear a crisp sound of "ding!", the white ball burst open and turned into an irregular white crystal, as soon as this white crystal appeared, the red and white flames in Luo Yu's hand were 'boom!' It decomposed with a sound and re-turned into two fist-sized flames, the white mysterious flame was okay to say, and there was no change in the palm of Luo Yu's hand, but as soon as the innate true fire released by Luo Yu using the fire condensation technique appeared, it was extinguished with a pop, this innate true fire and the Xuanbing Cold Essence were not at the same level at all, the two were only slightly closer, and the innate true fire could not stand it.

And without the white crystals wrapped in the innate true fire, a white gas like snow and frost was suddenly released, and the temperature of the entire refining room plummeted, and a trace of cold chill suddenly flowed from Luo Yu's palm to the whole body, so frightened that Luo Yu hurriedly ran the "Feng Yang Jin" exercise, and the fire spiritual power traveled around the major meridians before he felt that his body was adapting a little.

"That's it!haha! Success!" Looking at the translucent crystal in his hand, Luo Yu almost jumped up with joy, this translucent crystal is the same as the touch recorded in the book regardless of the color and coldness, this is the 'Xuanbing Cold Essence'! And with this thing, Luo Yu only needs to smelt it and the Biling Cold Halberd together with the help of the earth fire, and he will have a superb magic weapon!

In addition to the excitement, Luo Yu calmed down again, the last step is the most critical, and there must be no mistakes!

Luo Yu didn't dare to be careless at the moment, his right hand dragged the translucent crystal, and with a flick of his left hand, the spiritual power of two thumbs bounced into the dragon's mouth on the wall.

"Hiss!" There was a clear sound accompanied by two yellow pillars of fire spit out from the mouths of the two dragons, and they converged together in mid-air, and with the different sizes of the spiritual power output by Luo Yu, the pillars of fire spit out also became larger and smaller, it seems that this is the so-called earth fire.

Luo Yu felt it a little with his spiritual sense, and found that the temperature of this earth fire was stronger than his innate true fire, and this was only a medium-grade refining room! What kind of high temperature would the earth fire of a high-grade refining room or a top-grade refining room be! Luo Yu couldn't help but secretly sigh!

After being surprised for a while, he retracted his mind, Luo Yu's sleeve robe waved, and under the blowing of a spiritual wind, the Biling Han Halberd placed on the ground directly shot at the intersection of the yellow pillar of fire, quietly suspended in it, and the temperature of this earth fire also had no effect on this halberd, worthy of being a superb magic weapon, after Luo Yu praised, his right hand was thrown up, and suddenly the translucent crystal also shot into the pillar of fire.

At this time, Luo Yu's eyes were firmly fixed on the two extremely cold things in the pillar of fire, the Biling Han Halberd let the flames hit the body of the halberd, as if it was fine, but the translucent crystal was wrapped in a layer of white light on the outside, and the pillar of fire outside hit the passport except for a trace of green smoke, there was no other abnormality, these two were the coldest things, and it was impossible for the ground fire in the middle grade refining room to melt the two things.

Luo Yu slowly separated his mind and controlled the two items to slowly rotate and merge together, and the translucent crystal was under the control of Luo Yu's spiritual power, and under the control of Luo Yu's spiritual power, layers of thin ice crystals were cracked around, and a translucent octagonal crystal with the same shape as the groove appeared after a while.

"Bang!" After Luo Yu controlled the two things to approach, he suddenly snapped together, and there was a sound of metal collision at the junction of the two things, only to see that the translucent crystal was just embedded in the groove of the Bi Ling Han Halberd, and this was not over, Luo Yu had to continue to increase the spiritual power input into the dragon's mouth, and refine the two things in the earth fire for about ten hours, so that it was really successful.

Even so, Luo Yu still had an irrepressible excitement in his heart, once this treasure was successfully refined, his combat power would definitely be able to increase by a large amount, even if it was to compete with the immortal cultivators at the peak of the Qi cultivation period!

Luo Yu carefully sensed this new Biling Halberd, even if it was not fully refined now, Luo Yu could still feel a powerful pressure from it, and as the Biling Halberd continued to rotate slowly in the flames, a trace of the cold silk that was not afraid of the high temperature of the earth fire continued to emanate from the body of the halberd, in fact, it should be emanated from that piece of Xuanbing Cold Essence, as long as under the calcination of the earth fire, the cold silk could finally wrap the whole body of the Biling Halberd, until it finally blended in, then it was done.

As time passed, Luo Yu's eyes became more and more hot!

......

At noon the next day, Luo Yu, who still had a lot of tiredness on his face, opened the door of the refining room, and after handing over one hundred and fifty spirit stones to the two blue-armored men, he returned to his cultivation cave mansion.

This harvest is really not small, the high-level magic weapon Bi Ling Han Halberd was finally restored to full power by Luo Yu, Luo Yu, who was full of curiosity about the best magic weapon, tried the power of this magic weapon a little, but the result was that Luo Yu was dumbfounded, this powerful and terrifying, no wonder the best magic weapon in the immortal cultivation world can be compared with the existence of ancient magic weapons!

And when Luo Yu was refining, he was almost exhausted, he was so tired that he lay down, and the spiritual power in his body was exhausted, for the sake of safety, Luo Yu did not go out directly, but meditated in the refining room to recover, anyway, the cost of dozens of extra spirit stones was nothing to him.

After Luo Yu returned to the cave, he found that the formation at the entrance of the cave was covered with a piece of sound-transmitting jade, and after Lingjue checked it, it was actually summoned by Master Li You, and he didn't explain the specific reason, but just asked Luo Yu to go to Chaoyang Peak to see him.

This made Luo Yu stunned, and after thinking for a while, he flew towards Chaoyang Peak, Luo Yu's nameless hill was not far from Chaoyang Peak, and under the full flight, it was almost a cup of tea to the entrance of Chaoyang Peak's Blue Smoke Cave.

After descending the light, Luo Yu walked in directly, and after turning a few corners according to his memory, he walked to the hall of the cave, which is usually where Li You receives guests, and Li You summons Luo Yu to be there every time.

When Luo Yu came to the hall of the cave mansion, he found that the entrance of the hall was actually placed with a layer of prohibition, and judging from the forbidden technique and the spiritual power fluctuations emanating from the prohibition, this must have been arranged by the immortal cultivators of the Dan period, and this Li You had nothing to do with the prohibition in his cave mansion! Just when Luo Yu was hesitant whether to go in.

The forbidden brilliance suddenly disappeared in a flash, and before Luo Yu could be surprised, Li You's thick and neutral voice came from his ears.

"It's Yu'er here, come in!" Hearing this voice, Luo Yu immediately hid the doubts on his face and strode in.

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