The flames in the alchemy furnace ignited again, and Xu Yi's spiritual power instantly communicated with the alchemy furnace spirit, and used the breath of medicinal materials to temper himself.

In the past, in the Ten Thousand Sword Cave, Xu Yi witnessed Yuan Fei breaking through to the Earth Level with his own eyes. At that time, Xu Yi had a feeling that the so-called swordsman is actually treating the swordsman as a stubborn iron, using the swordsman as a hammer, constantly hitting and pounding, removing all the impurities in the stubborn iron, and leaving the most essential thing behind, so that he can achieve the invincible sword intent.

Now, after learning ancient alchemy, Xu Yi actually had such a strange feeling.

That is the so-called ancient alchemy technique, which is very similar to sword art. It seems to be an alchemy, but when it comes to alchemy, it is also a human being.

This is a special technique that tempers oneself using alchemy as an excuse. However, this technique has extremely high requirements. It not only requires the talent of alchemy, but also requires a heavenly weapon alchemy furnace.

Although there are not many people with alchemy talent, there are definitely not too few. Just look at how many alchemists are in the Jiuzhou area now.

No matter what era, there will be no shortage of people with extremely talented talents. Even those who are not familiar with matters like Chi Kexin and who only know how to refine alchemy can be promoted to the heavenly level. They know that there is no shortage of BMWs in the world, but they are young men.

Therefore, the second necessary condition is to have a Heavenly Soldier Pill Furnace, which is a bit difficult for some people.

However... Chi Kexin once said that this technique has not been learned for thousands of years. Could it be that even the heavenly alchemist, the heavenly alchemist, does not have a heavenly weapon furnace?

As his mind turned, Xu Yi did not slow down at all and put the last medicinal material into the alchemy furnace.

In an instant, the concentration of the medicine fragrance in the house increased to a higher level, and Xu Yi's body couldn't help but tremble slightly.

A branch vein in the body was opened again, and endless streams of true qi flocked in, quickly filling it. This speed of opening branch veins and filling speeds exceeded Xu Yi's imagination and reached an incredible level.

Although it still cannot be compared with Zhang Xinxin's promotion to level 9 in one day, he has saved ten years.

After letting out a long breath, Xu Yi's eyes closed slightly, and instead of opening his eyes immediately, he devoted his spirit and thoughts to the alchemy furnace.

If he was not mistaken, the twelve earth-piping pills in the alchemy furnace at this time were no longer top-grade, but top-grade.

He actually refined the best land-piercing pill again.

This time, Xu Yi was fully focused, so he understood that the reason why he was able to successfully refine it was because of the contribution of the ancient alchemy technique and the alchemy furnace spirit.

Because of the use of ancient alchemy, the heavenly weapon spirit must be used as a bridge to communicate between the inside and outside of the world, Xu Yi's spiritual thoughts and the weapon spirit have also reached a perfect fusion to some extent.

At this time, he was alone, but he seemed to have a second body. After becoming a weapon spirit, he was able to watch the process of alchemy from another angle.

It can be said that the new experience brought him a new perspective and brought Xu Yi to a new level.

At this height, he can engrave more domain marks in the pills, so he can undergo a qualitative change in the pills and once again refining the best-quality pill of the land.

"Xu Yi, why are you in a daze again?" Zhang Xinxin pushed him and whispered, "Does it still need to consume anything?"

Xu Yi was stunned and then woke up. He smiled slightly, unveiled the elixir, and put away the elixir inside.

"Sister Sister, let's continue."

"Continue?" Zhang Xinxin's eyes turned and said, "Why didn't you take out the pill you just refined?"

Xu Yi coughed lightly, glanced outside, opened his mouth and said, "Excellent."

At this time, there were only Xu Yi and Zhang Xinxin in this alchemy room. The rest, including Wei Qu, the heavenly powerhouse, left consciously.

As for Zhang Xinxin... well, even Wei Qu was just out of the way when Xu Yi didn't speak out to drive him away.

Zhang Xinxin's eyes suddenly widened, and his eyes rolled, saying, "What? Is the refining useless?"

Outside the door, Wei Qu's voice immediately came: "Xu Yi, please feel free to refine the alchemy, don't worry, if it is ruined, don't worry."

"Yes, Master Thanks for Uncle Master." Xu Yi said loudly, then winked at Zhang Xinxin and said, "Senior Sister, I must refine the top-grade Pidi Pill."

When talking about the two words "top grade", Xu Yi also emphasized his tone.

Zhang Xinxin immediately understood and gave him a thumbs up with a smile.

It would be quite awesome to be able to take out the top-grade Didita Pill. If Xu Yi could go further and open the top-grade Didita Pill... Such things would be terrible to think about.

Therefore, Xu Yi would rather spend more effort and lower the requirements, and also get out the top-grade Pidi Pill.

If others knew what Xu Yi was thinking at this moment, they would be so angry that they vomited blood on the spot.

The alchemist tried every means to improve the quality of the pills, but Xu Yi tried every means to reduce the quality, which was simply unreasonable.

Xu Yi nodded slightly and started to deal with the medicinal materials again.

A moment later, another new pot of elixir began to be refined. When the fragrance of medicine began to spread, Xu Yi enjoyed the surging bonus of true qi through the spirit of the weapon, and soon opened up a new branch in his body.

He has now opened up 16 of the seventh level branch veins.

Not only that, Xu Yi also found that as he and the spirit of the artifact were highly integrated, the spirit of the artifact and him became more tacit.

Finally, the rich aroma of elixir floated up again, and a satisfied smile appeared on Xu Yi's face.

The top-grade Pidi Pill, he finally made the top-grade Pidi Pill again.

It's really not easy!

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Xu Yi really lived in this alchemy room. He worked day and night. If he was tired, he would rest in the alchemy room. If he was thirsty and hungry, as long as he gave him an order, someone would offer the best things.

However, Xu Yi did not lose his mind and madly refining alchemy. He maintained the speed of five furnaces a day without showing off his strength.

After the next day, Xu Yi, who had already completed the refining of ten furnaces of land-piping pills, suddenly trembled slightly and sat cross-legged on the ground.

The surging aura flowed in his body, and the powerful energy surged endlessly, as if it was endless.

A stream of energy hit his meridians, just like the water of the Yellow River rolling, and a powerful aura was released from him.

"Bang……"

The door was immediately opened, and everyone led by Wei Qu rushed in.
Chapter completed!