It was late at night when Tang Feng returned to the mine, and Tang Can and Sixth Uncle had already rested. Tang Feng simply took a small Dan furnace made of dark iron from the smelting room, then returned to the room, lit the oil lamp, and began to start alchemy according to the alchemy principle in his mind.

"Whew!" Tang Feng's mind moved, and a large string of purple fire burst out from between his fingers, and Tang Feng jerkily controlled the purple fire to calcinate the Dan furnace. When the temperature of the Dan furnace rose to a certain level, he carefully threw the medicinal materials into the Dan furnace in order according to the prescription.

"Click!" After a moment, a sound of metal cracking suddenly sounded, and Tang Feng fixed his eyes to see that the Dan furnace could not withstand the calcination of the purple fire, and cracked a long slit!

"Appeal!" A cyclone swept by, and the smell of medicine escaped from the cracks in the Dan furnace, followed by the announcement of Tang Feng's failure in alchemy!

Looking at the smoky Xuantie Dan furnace, Tang Feng frowned. This Dan furnace is also made of pure black iron, and its hardness is comparable to that of gold and iron. But I didn't expect that Duan Rao still couldn't withstand the purple fire for a moment.

A trace of solemnity flashed on Tang Feng's face, recalling the "Tianyuan Continent Cultivation Classics" he had read when he was a child, he had also noticed the harsh conditions for underworld cultivators to refine pills, and they had to go to the eight-star underworld cultivation to be able to condense the spiritual energy to the outside of the body, and then turn the spiritual energy into spiritual fire to refine the elixir.

"Therefore, those who can refine the elixir must not only have a very solid knowledge of medicinal materials, but also cultivate to a cultivator of the underworld path who has at least eight stars or above!"

And the reason why Tang Feng was able to refine the pill was completely due to the massive amount of alchemy knowledge and principles that suddenly erupted in the golden book in his mind, as well as the mysterious purple fire!

"However, there is at least one prerequisite, that is, the person who can refine the pill must be at least an underworld cultivator!

Tang Feng now felt more and more that the yellow gas emitted from the golden book was the aura! After absorbing this yellow aura, his cultivation in the underworld path was rapidly improving!

"It seems that he is really able to cultivate in the underworld!" Tang Feng guessed in surprise, if this is the case, then his future achievements will definitely be shocking! You must know that just by relying on the underworld cultivators who can refine the pill, the entire Great Yan Dynasty will not exceed the number of ten fingers!

Suppressing his ecstasy, Tang Feng once again brought fifty Dan furnaces from the smelting room, preparing to spend the night practicing alchemy.

"Click!" Three hours later, the purple flame of the Xuantie Dan Furnace in Tang Feng's hand cracked again.

"The temperature of this purple fire is too high, and the slightest mistake will cause the Dan furnace to crack!" Tang Feng looked at the more than thirty Dan furnaces scattered on the ground, a look of disappointment flashed on his face.

After pondering for a while, Tang Feng suddenly thought of something, and a flash of inspiration flashed. "Isn't this cold hidden in this purple fire? I can try to control the cold with my mind, and the cold and the purple fire go hand in hand, so I can't control the temperature of the purple fire. ”

Thinking of this, Tang Feng hurriedly used his mind to control the cold qi hidden in the purple fire, so that these cold qi could be used to calcine the Dan furnace along with the purple fire.

Once, twice, three times!

Finally, after three failures, Tang Feng finally mastered the heat of alchemy! The fourth Dan furnace did not crack again. Only then did Tang Feng feel relieved to throw the medicinal materials into the Dan furnace in order, and began to control the purple fire according to the experience just now.

Time was passing quietly, and before I knew it, there was already a hint of gray light outside the window.

"Ding bell!" With a loud sound on the top of the Dan furnace lid, a thick medicinal fragrance wafted out from inside. Tang Feng opened his eyes and looked inside the Dan furnace, where three round bronze pills were rolling in the Dan furnace.

"That's it, the last three Lingquan Pills have also been successfully refined!" Smelling the strong medicinal fragrance, Tang Feng's spirit couldn't help but perk. The dantian in the body is whirring, and it seems that it is about to break through to the strength of four stars!

"It's really incredible, Lingquan Pill let me smell it like this, and there were faint signs of a breakthrough. If you melt it into hot water and soak it for cultivation, then it will be worth it!" Tang Feng thought in surprise.

It's no wonder that the Lingquan Pill is a third-grade pill, and its value can be described as a thousand gold! Tang Feng refined a full five Lingquan Pills in one night, plus four second-grade pills to cleanse the marrow pill and three second-grade pills to refine the body pills, these pills are placed in the Qiyang City Auction House, I am afraid that they will be auctioned at a sky-high price!

Tang Feng thought about it, now strength is the most important thing, there is no need to be tempted for a little money. Without strength, no amount of wealth can be preserved! What's more, tomorrow night, the people of the Black Eagle Sect will come to attack the Xuaniron vein, and if they don't have enough strength at that time, I'm afraid they will really be strangled.

"Without further ado, I must tell the sixth uncle about all this. At the same time, these pills were distributed, and he tried to let the sixth uncle break through to the strength of the six stars, so that Tang Can could recover his cultivation talent. And I have to break through to the strength of four stars as soon as possible!"

Tang Feng put away the pills, ignored the tiredness of not sleeping all night, and immediately walked to Tang Lie's room.

In Tang Feng's room, Tang Feng, Tang Can, and Tang Lie sat together around a table, discussing something.

"Feng'er, this is true, Tang Xiong really colluded with the four elders of the Black Eagle Sect to wash the Tang family's veins with blood!" Tang Lie asked angrily after listening to Tang Feng's words.

"That's right, Tang Xiong has already made up his mind in order to eradicate dissidents! Tang Feng also gritted his teeth.

Tang Can's eyes flashed with an anxious look, and he looked at Tang Feng and asked, "Then what should we do, why don't we go to find grandpa." There's no way he's going to sit idly by!"

"The old man has been in retreat for five years, and he has long been ignorant of family affairs. What's more, it's impossible for Tang Xiong to let us see him!" Tang Lie's expression was solemn, and he denied Tang Can's plan.

"In this way, wouldn't we be dead!" Tang Can sat down softly in his chair, and a deep sense of powerlessness welled up in his heart.

"If I can cultivate and have enough strength, I will definitely fight to the death with this group of vicious people!" Tang Can's eyes were misty, and he had unspeakable hatred in his heart. He hated himself for not having the strength to fight for his family.

"Feng'er, then what do you think we should do!" Tang Lie finally cast his expectant eyes on Tang Feng.

The corners of Tang Feng's mouth curled, and a cruel smile flashed on his face. "What else can I do, the people of the Black Eagle Sect have the courage to kill them, then we will let them have no return!"

"Okay! There is no return!" But hearing Tang Feng's words, Tang Lie immediately praised. "Feng'er, you have such ambitions, Sixth Uncle is very pleased. It's just that the fourth elder of the Black Eagle Sect, Hei Sha, is a six-star level master, I'm afraid we won't be opponents!" Tang Lie asked himself if he was not a greedy person who was afraid of death, but he also had to take care of the safety of Tang Feng and Tang Can, if he didn't have a chance to win, how could he let his two nephews take risks!

"Sixth uncle, it's up to you. Tang Feng smiled mysteriously at Tang Lie, and took out three small jade bottles from his sleeve.

"Look at me?" Tang Lie looked puzzled, and when he saw the three small jade bottles that Tang Feng took out of his cuffs, he was even more confused and asked, "What is this?" ”

At this time, Tang Can also came over curiously, curious about the three small jade bottles that Tang Feng took out.

"Hehe, here are some pills that are helpful for cultivation, which should be able to help Sixth Uncle you break through to the six-star level, and let Tang Can restore your cultivation talent!"

"What! can make me break through to six-star strength!"

"It can actually restore my cultivation talent!"

Hearing Tang Feng's words, Tang Lie and Tang Can were both shocked and looked at Tang Feng in disbelief.

Ignoring the surprised expressions of the two, Tang Feng opened the three small jade bottles, poured out the round elixir, and distributed them to Tang Lie and Tang Can.

Tang Feng had a total of five third-grade pills in his hands, four third-grade pills, four second-grade pills, and three second-grade pills. He gave two Lingquan Pills to Tang Lie, Tang Can also gave one, and kept two for himself. And the rest of the Pulp Cleansing Pill and Body Refining Pill Tang Feng and Tang Lie each took one, and the others were all given to Tang Can. Tang Feng knew that for Tang Can, this marrow cleansing pill and body refining pill were the most important.

"This is really a rare third-grade and second-grade elixir!" Looking at the four three-grade pills in his hand that exuded a rich medicinal fragrance, Tang Lie's face was full of incredulity. He didn't believe that Tang Feng could get so many elixirs from anywhere! You know, only a pharmacist, and a pharmacist above the eight-star level, could refine these elixirs. Not to mention Tang Feng, even if he took out all his savings, he wouldn't be able to buy a Lingquan Pill!

"If the pill is fake, you can take it with confidence, these are all given to me by a mysterious friend of mine. The situation was critical, and Tang Feng didn't bother to explain anything, so he made up a reason to fool the past.

Tang Lie thought about it, Tang Feng's tendons and veins were broken, and he suddenly recovered his cultivation talent, and with the strength of the three-star, he killed the black-clothed leader of the four-star. All of this should not be accidental, maybe there is a powerful pharmacist behind him. So he didn't bother and put away the pills.

As for Tang Can, not to mention, he would not have any doubts about Tang Feng's words. What's more, after hearing Tang Feng say that there was a way to restore his cultivation talent, even if he knew that there was a dead end, he had to try it.

"Okay, without further ado, you guys hurry up and cultivate. I hope to break through in this day and night!" Tang Feng urged, so Tang Lie and Tang Can each began to go back to cultivation according to Tang Feng's instructions.

After explaining how Tang Feng and Tang Lie used those pills, Tang Feng also took the opportunity to throw a Body Refining Pill and a Pulp Cleansing Pill into his mouth. The pill melted in his mouth, and in a moment, Tang Feng felt a powerful medicinal force stimulating his muscles, bones, and tendons.

even warmed his own dantian and heart and lungs.

"Ah, comfortable!" Tang Feng felt that under the stimulation of the medicinal power, his physique and muscles and veins had strengthened again, but it was not obvious. It is no wonder that Tang Feng's body has undergone the baptism of purple fire, and its hardness has reached a saturated state. Although these pills are powerful, it is difficult for Tang Feng's physique to improve significantly, unless Tang Feng achieves a breakthrough in the level, his physique can continue to grow stronger!

After thinking about all this, Tang Feng arranged for someone to get a large vat of hot water. He threw all the two Lingquan Pills into the bathtub, and suddenly the hot water in the tub quickly turned from transparent to blue-purple, and blisters also appeared on the surface of the water. Tang Feng took off his clothes and jumped into the bathtub, letting his body soak in this medicine. Then he closed his eyes and recuperated his mind, and began to cultivate with determination.