In the sky, the sea of medicinal herbs hovered around the Fire Ding, projecting in a steady stream, and these medicinal materials, almost the moment they entered the Fire Ding, they directly turned into the purest medicinal power and merged into the golden liquid in it.

And more and more medicinal herbs were injected into those golden liquids, and the color of the liquid also became slightly colorful, faintly, the surface of the liquid constantly flashed with thunder, which looked extremely magical.

Refining the medium-grade Saint Pill is not a one-day thing, but fortunately, Mu Xuan has been prepared, so he has set the location in the Guling Cave, with the time difference here, within a month or two in the Guling Cave, he should be able to smoothly refine this Lei Dan.

So, in the next time, in the ancient spirit cave, there were bursts of thunder all day long, and the huge fire tripod was suspended in the distant sky, and the red flames that spread out made many energy body remnants feel a kind of heartfelt fear.

And this kind of scene, as long as it lasts, it will be nearly a month, but this is placed in the four major domains, and it has only been six days......

And when this kind of refining gradually reached about a month and a half, Mu Xuan, who had closed his eyes tightly, also slowly opened, looked at the fire tripod in the sky, and smiled slightly.

In the middle of the fire, the golden light was permeated, and the golden liquid had been exhausted, but in the center of the original liquid, a fist-sized pill with a bright body like gold was quietly suspended, and around the pill, it continued to penetrate out the golden thunder, and there was a rumbling sound.

The medium-grade Shengdan, Lei Dan, is finally successfully refined!

Mu Xuan looked at Huo Ding with a pleased face, and stood up, this time the alchemy once again made him feel the power of the emperor-level spiritual sense, if it was in the past, if he wanted to refine this Lei Dan, there would inevitably be a great consumption, and the most important thing was that even if it was consumed, it might not be able to be refined successfully.

"Boom!"

When Mu Xuan got up, the sky above Huoding was also churning violently, faintly converging into a cloud of light, and a trace of black thunder was like a dragon, churning and shuttling among the clouds.

"Heaven's Punishment Vision......"

Seeing this scene, Mu Xuan smiled, didn't care, just waved his hand, and the spirit puppet 'Dragon Battle' swept out of the storage spirit ring, and directly turned into a black shadow and rushed into the cloud of light.

This thunderous sound lasted for about ten minutes or so, and then gradually faded away, and finally, one after another, the pure thunder power poured down from the light clouds, and all of them fell on the golden pill inside the fire tripod.

"Buzz!"

With the influx of these thunderous powers, the last trace of impurities in the pill was also quenched, and suddenly, a brilliant golden light burst out from the medicine tripod, and the lid of the pill was also forcibly rushed away, and the thunder pill in it turned into light and rushed towards the sky with an astonishing degree.

"After working hard for so long, how can there be any reason for you to run away." Mu Xuan smiled, and as soon as his mind moved, the huge spiritual power phantom standing between heaven and earth reached out with a giant hand, directly piercing through the void, and drilling the escaping golden light into his hand with one palm, and then the figure shrunk and quickly swept into Mu Xuan's eyebrows, and the golden elixir was also obediently suspended in front of him.

"Hoo ......"

Looking at the round golden light pill in front of him, Mu Xuan couldn't help but breathe a sigh of relief, he could feel the terrifying power in the pill, the quality of this Lei Dan was obviously slightly better than the mid-grade Saint Pill that Mu Xuan refined in the Dan clan last time.

Of course, this is not surprising, after all, whether it is the material or its own strength, the current Mu Xuan is far from being comparable at that time.

"It's up to you how much you can improve this time......" Mu Xuan smiled at the golden light pill in front of him, and closed his eyes with his hand, and the Lei Dan turned into a ray of golden light, which opened and closed along his lips and swept in.

"Bang!"

As soon as Lei Dan entered Mu Xuan's body, a violent and incomparable fluctuation exploded from his body, and at that moment on this plain was a gust of wind and sand, a deep depression about dozens of zhang deep and thousands of zhang wide, which appeared on the plain, and Mu Xuan was the center of the four depressions in the depths.

The tombstone behind Mu Xuan was still standing under the support of a stone pillar, and on the tombstone, a faint light radiated out, protecting it from destruction.

"Snort, sneer......"

Brilliant golden thunder light continued to emerge from Mu Xuan's body, and finally stretched out on the surface of his body, turning into a low thunderstorm sound.

Wrapped in the golden thunder, Mu Xuan's head was scattered, and his originally black head became as if it was made of gold at this moment.

And when the surface of the body was changing, Mu Xuan's body was also roaring wildly, and the power of the violent thunder turned into angry dragons, scurrying wildly in his body, but no matter how they collided, it seemed that they would encounter an extremely hard invisible barrier, bouncing them all back.

At the same time, the extreme fire was also roaring in Mu Xuan's body, directly devouring these violent energies with the most brutal means, and after refining, they turned into rolling pure and pure qi and integrated into Mu Xuan's body.

With the help of emperor-level spiritual sense and the power of extreme fire, it is easy to refine this Lei Dan.

In the huge deep pit, the golden light flickered, in the golden light, Mu Xuan closed his eyes tightly, his face was solemn, faintly, the energy of heaven and earth gradually fluctuated, and finally converged in the sky above this plain, it seemed that there was a strange scene similar to the tide of heaven and earth.

With his own true qi, he can attract the tides of heaven and earth energy, with that kind of strength, in this world, there are only a few people who can do it, and Lin Dong also attracted the tides of heaven and earth that day, but the momentum is much stronger than Mu Xuan's current one, but I don't know how many times stronger, after all, Mu Xuan's strength with him is also quite far away.

But this scene is already quite remarkable, after all, if it is an ordinary Extreme Martial Saint powerhouse, I am afraid it will be difficult to do a little, Mu Xuan can be like this, but he still has some emperor-level spiritual sense.

Around the plain, many energy body remnants couldn't help but be a little moved when they saw the small energy tide in the sky.

"This person can really be regarded as a genius of Tianzhong, the second time I saw him back then, he was still not a martial artist, but when we met again, he had been promoted to a martial saint, such a degree, it can be called terrifying, and now it is even better, in the future, maybe he can really reach the peak level of Lord Zuling......" The killing Taoist muttered to himself, there was a faint awe in his eyes, Mu Xuan's achievement, but he couldn't be unconvinced.

The surging energy tide lasted for ten days before it gradually weakened, and it was only after two days that the energy tide completely dissipated.

(End of chapter)

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