The elixir book that Li Changkong handed over to Liu Yu was about two inches thick and yellowed on the surface, making it look extremely old.

"Book of Herbs"

Four scribbled large characters are written on the surface of the Danshu.

Turning to the first page, there is a long row of catalogues, the top of which is written with the words "Jie Jin Dan Dan Fang".

"Five Elements Spirit Fruit", "Hunyuan Fruit", "Purple Yougen"

Liu Yu's eyes widened, and he quickly turned to the corresponding page according to the catalogue, and browsed the pill with some excitement.

Stepping through the iron shoes, there is nowhere to find it, and it takes no effort to get it.

After the foundation was established, he has been paying attention to the news of the Golden Pill Recipe, but there has not been much progress. I only know that the high level of the Zongmen Tibetan Sutra Pavilion must have this pill.

Now, it's so easy.

Sure enough, some treasures are extremely difficult for low-level monks, but they are easily accessible to high-level monks. This is the case with the Foundation Establishment Pill, and the same is true of the Gold Formation Pill.

Quickly remembering the pill recipe in his mind, Liu Yu sighed slightly.

Then he flipped through the Baicao Dan book.

"Observation of the habit of ternary fruit, as well as conjecture and experiment of planting."

"The changes in medicinal properties of Centella lucidum and red blood ginseng, and the experiment with each other."

"Red blood participates in the medicinal properties and changes of ice crystal lotus, and the modulation test of the two in different proportions."

"The changes in the medicinal properties of Requiem and Purple Heart Snow Lotus, and the feasibility of using the two as main and auxiliary drugs."

"Conjecture on the efficacy of the Purifying Soul Pill, and the conjecture on the subsequent improvement of the pill recipe."

The Baicao Pill Book records the detailed medicinal properties of dozens of second-order spirit herbs, and the changes in their collocations, as well as several complete second-order pill recipes, including knotting gold pills.

The content of this elixir is very different from that of the Qingzhu Danjing.

Aside from the alchemy recipe, the latter content includes alchemy techniques, alchemy experience, and possible difficulties encountered in the process of alchemy, which belongs to the inheritance of alchemy.

The former is more similar to the experimental manual. Except for several alchemy recipes, there are few descriptions of alchemy techniques and experiences. They are basically data records of the medicinal properties of various spirit herbs.

Liu Yu's heart was moved when he saw this, and he couldn't help but feel respect.

It can be seen that the monks who wrote the book of herbal pills want to innovate and create new pill recipes from scratch. Compared with the vast majority of monks who are dedicated to improving the art of alchemy, their ambitions are not too great.

Every pill recipe in the Immortal Cultivation World, even if it is a first-order low-grade pill that is only effective for cultivators in the early stage of Qi refining, is the result of countless experiments, and even requires a flash of aura before it can finally be perfected and matured.

And the cultivator who wrote this elixir actually wanted to create a new elixir by himself.

I really don't know if it's Dan Dao's genius? Or an arrogant lunatic?

But in any case, this spirit is still worthy of admiration. After all, this cultivator is not a fantasy, but a rigorous and firm action.

Or, it is precisely the existence of "genius" and "madman" who like the essence of things, that the world of cultivating immortals can develop to this stage, right?

Liu Yu sat up straight in awe, and then continued to read.

"Alas, Hao Shou has been through a hundred and eighty years, and since the foundation has been established for 180 years, the soul-purifying pill has not been completed!"

"Shouyuan is about to end, the great cause is not yet completed, I will hate and hate in heaven and earth~"

"So I kept a book of elixir to pass on to future generations."

"If the latecomers have the same ambition, they can continue to deduce the unfinished business of Purifying Soul Pill."

"On the day when the pill recipe is completed, please burn a copy and inform me of my dead soul."

"After a hundred years of wasted, addicted to alchemy, the immortal way has not yet been achieved, even though I die, I have no regrets."

At the end of the book of elixir, there is a half-deduced soul-purifying elixir formula. The author also wrote a few lines of scribbled handwriting, and the signature is Baicao Zhenxiu.

Zhenxiu is the honorific title of foundation-building monks. In ancient times, foundation-building monks were called Zhenxiu, Jindan monks were called real people, and Yuanying monks were called Zhenjun. But up to now, cultivators rarely use this honorary title.

According to Baicao Zhenxiu's vision, the Soul Cleansing Pill should be able to remove impurities in the Primordial Spirit and improve the "essence" of the Primordial Spirit, but he spent all the time after the foundation was established, and this pill recipe is still deduced but general.

From ancient times to the present, it is still not perfect.

After a rough reading of the Baicao Pill Book, for some reason, Liu Yu suddenly felt a little shocked.

However, admiration is admiration, he knows his own abilities and abilities, and he has no idea of perfecting the pill recipe at this time.

What's more, for him, learning alchemy is only to improve his cultivation and strength, not to really stick to the alchemy itself. It is absolutely impossible to consume too much time because of uncertain things.

Put the Baicao Pill book in the storage bag.

Liu Yu sat in the same place and was silent for a long time.

Then, a few syllables were sent out, and Jiang Qiushui and his subordinates were asked to collect the spiritual herbs needed to refine the golden pill.

Although the spirit grass for refining the golden elixir is very rare and hard to find.

But now Liu Yu's level has improved a lot, and the manpower and material resources that can be used are not comparable to those in the Qi refining period. Backed by the big platform of Yuanyangzong, there is always some hope to collect them, at least some of them can be collected.

Thinking about what he did at the apprenticeship ceremony, there was nothing wrong with his wife, Liu Yu got up and went to the practice room to start his daily practice.

With the help of Yangshen Pill, the current practice of the magical method is relatively smooth. In addition, Liu Yu has always adopted a cautious and conservative strategy in the cultivation of Yuanshen, so there is no problem.

With the nourishment of Yangshen Dan and the refinement of the magic method, the current range of consciousness has increased from seven miles to seven and a half miles, and it continues to improve at a steady rate.

With the improvement of cultivation, the advantages of some monks' innate consciousness will gradually be wiped out, but Liu Yu has improved in two aspects of medicine pills and exercises, and this advantage will always be maintained.

Use it as a hole card to give your opponent a big "surprise" at critical moments.

At present, the cultivation base has reached the peak of the initial stage of foundation establishment. Because of the magic fire refining Yuan, a part of the mana cultivation base has been lost, but it will not take long to cultivate back again.

Perhaps it was because the magic fire was refining Yuan, and the mana was far purer than other cultivators. Liu Yu felt that the barrier between the initial stage of foundation building and the middle stage of foundation building was not solid.

Even if I don't take the medicine pill, I have the confidence to break through in a year or two.

After taking a Qingyuan Pill, Liu Yu, who was in the process of practicing and refining, flashed the thought.

A year later, Cailianshan cave house, practice room.

Insert a bundle of one hundred spiritual stones into the incense burner, and a ray of foundation-building true fire pops out from your fingertips to ignite it.

After burning incense and bathing, Liu Yu sat down on the futon, closed his black and white eyes, and began to adjust his state.

A year has passed, and some of the mana cultivation base that was lost due to the magic fire refining has been completely cultivated, and it has become more pure and has reached the most complete state.

This sitting is three days and nights.

It was not until the early morning three days later that a red glow shot out from the East Mountain, and the figure who had been sitting for a long time did not move.

After adjusting his essence, qi, and spirit to their current relatively complete state, Liu Yu suddenly opened his eyes, and there seemed to be a flash of light in his eyes.

Then, without hesitation, he picked up the jade bottle with Hongyan Pill in front of him, poured out the pill, raised his head and swallowed it.

Even if he didn't take medicinal pills, with his pure mana and solid foundation of cultivation, he could break through this barrier within a year or two, but Liu Yu was not short of spirit stones and was willing to use them to reduce the time of water grinding.

For him, spiritual stones are only foreign objects after all. If they are not used to improve their cultivation, then even more is meaningless.

Spending a few spirit stones, minus one or two years of ink painting, is totally worth it. There is Xianfu to accelerate the ripening of spirit grass, refining medicinal pills and selling this spirit stone can quickly earn it back.

Although the breakthrough elixir that breaks through the bottleneck is precious, it is not to the point where spiritual stones cannot be purchased, so it is not distressing to use it.

When the Red Flame Pill was in his stomach, Liu Yu didn't rush to refine the medicinal power, but first drummed up his whole body's mana cultivation base, attacking the invisible shackles that prevented the cultivation base from improving.

The hidden spirit technique stopped working, and the spiritual pressure of the whole body was released unreservedly. In terms of strength, it was no less than that of ordinary cultivators in the middle stage of foundation establishment.

"ding ding ding ding"

A wave of invisible ripples swept across the room, and the room seemed to be crossed by a gust of wind, causing many appliances to vibrate and make various sounds. With Liu Yu as the center, the ground dust spreads and drifts around under the invisible force.

Only the curling smoke of the burning incense was unaffected.

Liu Yu's mind sank into the body, and the active liquid mana started from the dantian and went to the eight extraordinary meridians, running the great Zhoutian cycle of the fourth level of Qingyang Gong.

Liquid mana travels through the meridians, at a relatively slow speed at first. But after a big Sunday was completed, the speed increased in vain, and it got faster and faster. It didn't stabilize until it was three times the initial speed, and the speed did not continue to increase.

A thin wisp of sweat appeared on Liu Yu's forehead.

The fast-moving liquid mana has brought a great burden to the meridians and the flesh, but his flesh has been strengthened by the dragon's blood fruit, which is already one or two percent stronger than the ordinary foundation cultivator, so it is still within the acceptable range. .

If he were an ordinary foundation-building cultivator, he would definitely not dare to easily increase the speed of his mana to three times as fast as he was rushing through the pass.

However, the mana of ordinary base-building cultivators is not pure enough, and it is difficult to increase the speed to three times. Generally speaking, twice is the limit.

If the obstacles between realms are compared to a dam, then the mana of the cultivation base is the flow of water, and only by breaking through the dam can the flow of water flow to the next place. And the faster the mana runs, the stronger the impact of the water flow, and the easier it is to break through the dam.

After about an hour, the thirty-six great Zhoutian cycles that normally take three hours to complete have been completed, but the mana has not increased by a single cent.

Because Liu Yu's mana and cultivation base have already reached the limit of the initial stage of foundation establishment, and there is no way to increase it. It's like a small water bottle filled with clean water and capped.

Only by breaking through the obstacles and expanding the volume of the container can more water flow be put down.

Thirty-six great Zhoutian cycles were completed, and Liu Yu brazenly attacked the invisible obstacles!

The mana began to run along the middle stage of Qingyanggong's fifth-layer foundation building, but after running for a certain distance, the speed dropped sharply, much slower than the initial speed, and continued to decelerate, and at the end it almost stopped.

As if there is an invisible force exerted on the new meridians, it is extremely difficult for the mana to advance one step, and as time goes by, it seems that the lack of "power" will stop.

it's time!

Liu Yu's thoughts flashed, and immediately began to refine the medicinal power of Hongyan Pill.

In the belly, the vermilion red flame pill began to "shrink" in circles, and was refined into a tyrannical, special medicinal power, like a cloud of red smoke that was constantly rolling, and it had a tendency to spread to the internal organs.

Liu Yu didn't dare to restrain his mind carelessly, and controlled the mana to run along the fifth-layer meridian of Qingyang Gong, wrapped in the medicinal power of Hongyan Pill.

This "red smoke" seems to have a miraculous effect on the invisible obstacles to the operation of mana. Liquid mana is encased in it, and the obstacles to progress seem to have been partially eliminated, and the operation has become smooth.

The time passed very slowly at the time of the pass. After half an hour passed, Liu Yu's forehead sweated more and more, and most of the meridians on the fifth level of Qingyang Gong had gone through.

But at this critical moment, the "red smoke" is getting rarer and rarer, it is about to be exhausted, and it is in a stalemate.

At this time, the most essential part of the Hongyan Pill was refined and turned into a stream of orange-red smoke. This "smoke" remained motionless and extremely gentle, exuding a slightly warm, soft fire-attribute aura.

"Is this the special fire spirit power in the Red Flame Pill?"

Liu Yu flashed this thought, and then controlled the fire spirit power to join the rush.

The effect of this gentle fire spirit power is really extraordinary, and the place where it passes is unobstructed, and the invisible obstacles are easily eliminated. The liquid followed suit, and the meridians of the fifth layer of Qingyang Gong were running.

"boom"

As if there was a silent crisp sound, the obstacles in the early and middle stages of foundation building disappeared.

Half an hour later, before the special fire spirit power dissipated ~www.mtlnovel.com~ Liu Yu drummed up the mana to speed up the operation, and finally completed a great Zhoutian cycle of the fifth level of Qingyang Gong.

If this time is unsuccessful, then the Hongyan Pill will be wasted, and the next time you will have to start over. Fortunately, nothing like that happened.

After the invisible obstacles disappeared, Liu Yuben did not lose to the general spiritual pressure in the middle stage of foundation building, and rose again. The dantian has also been expanded to accommodate more mana.

Opening his eyes, Liu Yu quickly picked up a jade bottle in front of him, opened the cork, poured out a medicinal pill and swallowed it, then closed his eyes and started refining.

After reaching the middle stage of foundation establishment, the effect of Qingyuan Pill is much weaker, but the nourishing essence pill taken in the middle stage of foundation establishment can already be refined, and it is seamless at this time.

When the medicinal pills enter the stomach, they are quickly refined into pure spiritual energy, which is transformed into mana with a circle of cycles, and then tempered by the magic fire of Qingyang, and finally returned to the "lake" of Dantian.

After the first cycle was completed, the obstacles had completely disappeared, so the exercise method returned to its normal speed.

"Huhuhu~"

Three hours later, the blue light on Liu Yu's face was bright and then disappeared in an instant, and then he opened his eyes.

"Middle stage of foundation building!"

A smile appeared on Liu Yu's face, and then he carefully realized the changes after the breakthrough.

Five miles, six miles, eight miles..., the consciousness spread in all directions, and it didn't stop until nine miles.

The entire Cailian Mountain, as well as every grass and tree in the surrounding nine miles, is clearly visible in the body and mind, as if the pattern on the palm is incomparably clear.

This range is already close to the peak of ordinary monks' foundation building.

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