Throwing the medicinal herbs into the incinerator and waiting for him to eat and drink enough and want to exercise, he finished refining the medicinal herbs at will and threw them to the flame demon for processing.

"What, why is refining this Extreme Cold Pill here now? Could it be that you want to practice some kind of martial arts with a little cold poison?" The Yan Demon looked at Nie Yun, moved his body a few times and threw Nie Yun nearly a hundred catties of high-grade fire embers, and said: "You might as well refine this fire ember into the Fire God Needle first, you have already obtained the refining method in that troll valley, and mass production should also support your aura!"

Nie Yun looked at the hundreds of catties of fire embers, and said with a smile: "If I make all of this amount of fire embers into Vulcan Needles, then I'm afraid that the amount is enough to transform into a downpour for a day and a night." ”

Since he has to fight later, the rune secret weapon is also indispensable, at least it can save him a lot of aura, and have an extra means, these fire embers are the expulsion of the fire demon after eating the thousand-year-old fire maple leaf, although it is useless for the fire demon, but for Nie Yunlai, it can make thousands of fire god array secret weapons that are enough to pierce the heart of a person with the first-order strength of the Venerable Realm!

Nie Yun currently has three days to refine this Extreme Cold Pill, so there is no need to worry about the time, it took him about a day to refine the tens of thousands of Fire God Needles, but only half of the Fire Ember was consumed, Nie Yun had no choice but to rest for an hour, these 10,000 Fire God Needles should be enough, so he was ready to refine the Extreme Cold Pill after recovering his aura next.

If you want to refine a top-grade Extreme Cold Pill, you have to slowly use the Seal Heaven Flame to refine it, so Nie Yun is not in a hurry.

After resting for an hour, the phantom also came as promised and brought over the medicinal herbs that had been cultivated for a day, Nie Yun knew at a glance that the phantom had taken care of it, this fateful flower had actually risen to a year of forty years, and in this way, it laid a solid foundation for him to refine a top-grade fourth-grade pill Extreme Cold Pill that was almost of the fifth grade quality.

"Refining materials!"

Nie Yun smiled, and instead of throwing the spirit essence into the Ding Furnace, he threw it into the air, and reached out to fuse the abyssal black fire into the Yintian Flame, which could hold the fifteen spiritual energy sources of heaven and earth!

At the moment, Nie Yun controlled the five black flames in five directions in the air, and the spirit essence was constantly coiling and rolling in these five black fires, and it seemed that the energy of the Dao Dao Nature Seer was falling out, without any smell and energy leakage, these separated essences were all under Nie Yun's control, he controlled the five black fires with one hand, and the other hand controlled the flow of air in this space with the snow clouds.

After about a moment, Nie Yun felt that the mass of herbs had only the shell left, and the spirit essence had all been extracted and fused into a four-colored crystal clear existence, he was like a ball of solidified water, but it was not very stable floating in the air, fluctuating.

If it weren't for Nie Yun at this moment, another aura would have wrapped it in, otherwise this spiritual essence would have turned into Dao Qing Qi and floated in this heaven and earth.

"That's it, it's up to you, Firedemon. "Although Nie Yun has to rely on the Flame Demon, he also has to constantly use the Seal Heaven Flame to provide heat energy, and the characteristics of the Burning Heaven Furnace are actually not much different from other alchemy furnaces, the biggest advantage is that there are Burning Heaven Flame Demons in the Burning Heaven Furnace to help control the heat to maintain the optimal temperature of the Dan Body Fusion, because he is much more skilled in controlling the temperature of the Dan Body Fusion than Nie Yun.

Nie Yun no longer sat cross-legged at this moment, but took a step forward, his hands were left and right, as if he was holding the moon in his arms, he surrounded the incinerator with aura, and the flame demon laughed and merged into the Ding furnace, wrapping the Dan body with the flames all over his body, although it was burning, but the temperature was just right for the temperature of the extremely cold pill!

Even if the Extreme Cold Pill is cold, the smelting Dan body still needs heat energy!

Redemption Soul and Heavenly Slash came over at this moment, and the phantom retreated when he saw this, he didn't make any credit at the moment, so his status was much weaker than the two, he was more self-aware, but it made Nie Yun much more satisfied.

After a while, Nie Yun felt that this Dan body had begun to slowly fuse, as long as he maintained his aura continuously, after about four hours, he thought that this excellent four-grade Extreme Cold Pill could be successfully refined, so that the phantom was not a meritorious achievement, so Nie Yun used his right hand to maintain the input of aura, and with a phantasm in his left hand, a simple classic appeared, and then he turned one of the pages, ready to use an ancient technique to lift the seal on the golden totem God of War, and release it temporarily to breathe air, but suddenly found that the nearly twenty or thirty pages behind it did not seem to be the way to make the rune totem God of War, but a way to create a rune weapon!

Nie Yun exclaimed in surprise, casually took a little aura, and untied the prohibition of the phantom according to the method he had just seen, and said casually: "Phantom, do you know the history of ancient rune weapons?"

The Phantom has lived long enough, and was once the same Phantom clan as Futian, so he immediately said: "Naturally, I know, but even if you are interested, master, I think the map of the rune weapon is also extinct." Nie Yun laughed, his right hand maintained the transmission of aura, and his left hand pointed to a page of runes on the thick ancient book and said, "What is this?"

The phantom came over to take a look, only to see the simple seal characters engraved on it, and exclaimed: "This, this is the phoenix crossbow! The phoenix crossbow can be fired a hundred times in a row!"

Nie Yun laughed wildly and said, "God help me, although the materials on it are difficult to find, but fortunately, I happen to exist in this jade slip space!" Nie Yun pointed to the green mountain cliff and said: "I am in the immortal mountain, basically opened up a larger space, not just limited to this valley, behind this green mountain cliff, there is a piece of fire stone, and iron wood, use that material to make this phoenix crossbow, and then fuse a rune god of war rune crystal into the most energy source, I think it should be enough." ”

The phantom nodded and said: "The master is clear, if this is made and then loaded with crossbow arrows, I think it can kill hundreds of martial artists in the spirit realm in an instant, of course, if you want to kill the martial artists above the Venerable Realm, it is not impossible, provided that there are appropriately powerful crossbow arrows." The phantom sighed and said: "This phoenix crossbow is powerful, but a hundred arrows are fired in succession, even if it is a little bit, it is more than a dozen crossbow arrows flying out, and the arrows cost a lot, but it can make people who are not warriors easily kill a warrior, it is the problem of this arrow, where do you go to find it, master?"