When the Heavenly Crystal Pill Furnace vibrate, it almost forcibly cut off Lin Feng's spiritual power, and the spiritual fluid in the fourth layer that fused blood energy and Jiaolong essence blood produced a violent mutation, and every drop of spiritual liquid was like boiling boiling water.

"I can even subdue the dragon essence blood that contains the blood of immortal beasts, and one pump is 100,000 drops, how can I allow you to go wild. Lin Feng snorted coldly, and the three mutant soul thoughts surged into the Dan furnace again.

Another ten days passed, Lin Feng's body that had been sitting quietly moved, opened his eyes, and his hands kept pinching out various handprints, and the aura of heaven and earth gathered.

He slapped his waist, and a bright light flew out, and his body flew out of the room with a movement. Suddenly the wind and clouds rolled on the main peak of the Beast King Peak, and a huge Dan furnace with a height of fifty meters appeared, emitting dazzling crystal light.

Lin Feng's Seven Great Golden Pills were running at the same time, flying around the Dan furnace while slapping the furnace body.

"The fourth-level spirit pill has been condensed, as long as you absorb enough heaven and earth spiritual energy, you can completely transform into a yuan pill. It's just that I didn't expect that the residue of refining the fourth-level Yuan Dan could still be used twice, and seven or eight hundred spirit pills had already appeared in the space of the third and second layers, and the quality had reached the top grade. ”

Such a huge Dan furnace floated above the Beast King Peak, and the continuous impact sound was heard dozens of miles away. The aura of heaven and earth began to move, constantly gathering towards the Nadan furnace.

"What kind of alchemy is this? I didn't use the earth fire, what can cause the aura to gather must be beyond the top grade, is it an anti-heaven level elixir." Elder Wuzi looked puzzled, the boss with his mouth open, Lin Feng's alchemy move made him feel very moved.

"It's not against the sky, because there is no Dan Lei in the sky. ”

"Lin Feng has been in retreat for a month, I don't know how many fourth-level spirit pills have been refined at one time?"

"Can't guess, can't guess. ”

Countless disciples communicated with their soul thoughts.

The aura of heaven and earth within a thousand miles was rolling in, constantly pouring into the Dan furnace. The volume of the Heavenly Crystal Pill Furnace expanded again, reaching seventy meters.

After absorbing the aura of heaven and earth for an hour, he finally calmed down slowly.

"Where is the disciple of Yaofeng, ready to collect. Lin Feng shouted, and ten disciples of the Dao Transformation Realm suddenly flew up below, each holding a jasper gourd, which was a container for storing pills, similar to the storage space.

"Not enough, twenty more, surround here. ”

In the shock of everyone, twenty more Dao Transformation Realm disciples flew up, a total of thirty Medicine Peak disciples were distributed around, holding jasper gourds in their hands.

"Qi Dan. Lin Feng's body shook and turned into a twenty-meter giant, his huge right hand grabbed the furnace ding, and with a forceful lift, hundreds of rays of light burst out.

Seven rays of light erupted, and about three hundred second-grade spirit pills were collected.

"Rise again. Lin Feng slapped the furnace body again, and more than four hundred high-grade spirit pills in the air on the third layer also spewed out. Fortunately, those Medicine Peak disciples who collected spirit pills were very experienced, and ten rays of light spilled out, and all the third-level spirit pills were also collected in an instant.

"The rest of the disciples get ready. Lin Feng's huge fist struck two consecutive blows, and one after another blood-red dragon's eye-sized pills turned into a piece of blood and flew out. Suddenly, the aura of heaven and earth that had calmed down violently rolled violently again.

"Collect quickly. ”

Lin Feng sensed the vision of the aura of heaven and earth, and hurriedly shouted. With a wave of his hand, sixty swords of high-grade spiritual weapons immediately manifested, and a rotating sword array was laid out, wrapping all the Yao Feng disciples collected by the Yuan Dan Connection, isolating the aura of the outside world.

The sword array also disappeared after only five breaths, and the thirteen disciples who collected the Yuan Dan were all shocked, and the jasper gourd in their hands shook lightly in their hands.

Lin Feng stretched out his hand and grabbed the thirteen jasper gourds in front of him, and thirteen wisps of extreme yang wind popped out, revolving around the gourd. Suddenly, the jasper gourd stopped trembling.

The seventy-meter-tall Heavenly Crystal Pill Furnace was also shrunk to the size of a palm and was included in the Five Elements Space.

Lin Feng took out a fourth-level Yuan Dan and carefully sensed the power in it. The power is indeed very strong, but it does not seem to be as strong as it is said in the Dan Sutra.

"Hey, what is that?" Lin Feng's eyes flashed, shooting out two rather spiritual rays of light. In the center of that Yuan Dan, there was a very small dragon shadow, and if you didn't look closely, you wouldn't be able to find anything abnormal in it.

"Could it be because it is mixed with Jiaolong essence blood?" The fourth-level Yuan Dan refined a total of nearly five hundred, and threw in a thousand drops of Jiaolong essence blood, which means that on average, each Yuan Dan is fused with at least two drops of essence blood, but why is the strength of Yuan Dan so weak.

You must know that the energy generated by one drop of Jiaolong essence blood is enough to be worth dozens of medium-grade spirit pills, that is to say, if you refine two drops of essence blood, it is equivalent to swallowing about a hundred medium-grade spirit pills.

According to this reasoning, the energy contained in this Yuan Dan is at least one hundred and ten times that of the medium-grade spirit pill.

"Could it be that I added one more medicine on my own initiative, but it made the Yuan Dan refining fail?" Lin Feng's heart suddenly became empty, this furnace of pills took him a month, consuming countless elixirs and a considerable number of third-level blood crystals, as well as a thousand drops of Jiaolong essence blood, if he really failed, wouldn't he regret his death.

Lin Feng opened his mouth and sucked, and the Yuan Dan swallowed into his stomach, and his mana was urging to refine it. But his expression changed sharply, and he grabbed it with both hands, and collected the thirteen jasper gourds into the blood hole space, and at the same time flew into the air.

"What's going on?"

"I don't know, just look at it. ”

"Hey, why is the aura of heaven and earth fluctuating violently again. ”

"Look, all the spiritual energy is surging towards Lord Lin Feng frantically. ”

The disciples below were amazed, but Lin Feng was guarding his mind, when he urged the mana just now, instead of refining that Yuan Dan, he was devoured by it. Yuan Dan can devour mana, damn, isn't that self-inflicted.

Cutting off the mana, the Yuan Dan also stopped, but a suction force emanated from it, spread out of the body, and was summoned, and the aura of heaven and earth centered on Lin Feng continued to gather.

Those gathered spiritual qi entered the flesh and blood through Lin Feng's hundreds of millions of pores, entered the muscles and bones, constantly washed the flesh, and finally merged into the Yuan Dan.

"Refining the physical body?" Lin Feng's eyes moved slightly, "This is indeed the Yuan Dan function mentioned in the Dan Sutra, could it be that I have successfully refined." ”

After refining his physical body for half an hour, Lin Feng felt that his physical strength had increased a lot, and the Imperial Extreme Body Alchemy Technique steadily advanced towards the thirteenth-level peak realm.

"Yuan Dan has finally reached saturation. Lin Feng's soul power moved, and he separated a stream of mana and lightly impacted, this time Yuan Dan did not resist anything, and directly turned into a ball of Dan liquid. The pill liquid was divided into three, one entered the dantian space, one was integrated into the physical body, and the other went straight to the purple mansion space, and finally fused into the three mutated soul thoughts without hindrance.

"Good, good, such a powerful force!"

Originally, Lin Feng's Seven Great Golden Pills had reached a saturated state, and it was very difficult to increase his strength again, but what this Yuan Pill emitted was Yuan Qi, which was higher than Spiritual Qi in nature, so the Seven Great Golden Pills directly ate this Yuan Qi.

As soon as the vitality was melted into the golden pill, it was transformed into rolling energy, and the golden pill, which had already reached the extreme, actually increased its strength again. Although the enhancement was not so obvious, Lin Feng could sense the changes in it. He only swallowed one Yuan Dan, and if he devoured more, the effect would definitely be clear at a glance.

It was not only Jin Dan who was benefited, but Lin Feng's soul power was also slowly improving. But in terms of getting the most benefits, it was his physical body, and his devouring a Yuan Dan actually went through the process of refining his physical body twice.

"If this continues, just by taking the Yuan Dan, I can cultivate the thirteenth level of the Imperial Extreme Alchemy Technique to the peak, and breaking through the last layer is just around the corner. A smile appeared at the corner of Lin Feng's mouth, and suddenly his flesh began to twitch and spasm, and a strong sharp pain rushed straight to his mind.

"What's going on?" Lin Feng snorted, he sensed a force rushing out of his flesh and bones through hundreds of millions of pores.

"Wow... ”

A dragon phantom of more than ten meters slowly formed, wrapping around Lin Feng's body, and bursts of dragon groans resounded through the heavens and the earth.

When the dragon phantom was completely stabilized, the soul-piercing pain immediately disappeared. Lin Feng looked at the Jiaolong phantom that was entwining around him, and a thought flashed through his mind, "Dragon power, the power of Jiaolong." ”

Yes, this is the dragon power.

Lin Feng has been swallowing and refining the blood of the dragon for a long time, his golden pill contains dragon power, his flesh and blood contains dragon power, and even his mutated soul thoughts contain a trace of dragon power.

Until this moment, by mistake, the Yuan Dan mixed with the essence blood of the dragon also completely stimulated the dragon power hidden in Lin Feng's body.

The dragon power turned into a dragon phantom, and there was a single horn on the top of the phantom's head, which was the sign of the blood of the fairy beast, if it was the body of the real flesh and blood dragon, the meaning of the single horn was that the dragon was going to transform into a real dragon.

"The dragon power transforms, it seems that my other heaven-level divine power, the 'Jiaolong Ascension Heavenly Dao', is about to cultivate the Great Perfection. Lin Feng landed on the Beast King Peak, only to find that it was already covered with people, almost all of them were peak masters or pseudo-venerable disciples of the major peaks. This is nothing, the key is that Lin Feng also saw the two dragons and phoenixes and the two fire woods. Eight eyes stared at Lin Feng deadly, wanting to see something from his face.

"Lin Feng, how can you transform into a dragon power? how can you have the power of a dragon in your body, even if you swallow more dragon essence blood, the chance of stimulating dragon power is very slim. Long Zun looked Lin Feng up and down, looking incredulous, "If it weren't for the fact that you were a human race, I would have thought you were a descendant of the transformed Wulong." ”

"If the deity didn't guess wrong, it should be related to the elixir that Lin Feng swallowed. However, the deity really doesn't understand, not only is the fourth-level spirit pill you refined more strange, even if it is an anti-heaven level spirit pill, it doesn't seem to produce such a big movement. Rhominki Dazun was also puzzled.

Lin Feng smiled faintly and popped out four Yuan Pills in a row, "Can the four Great Venerables recognize this Pill?"