Zhongyuan ginseng is the only fourth-order elixir in the Zhangjia Elixir Garden, and it has been cultivated for almost three hundred years since the family found this elixir.

Over the years, the cost of spirit stones alone has cost more than three hundred spirit stones on this elixir. And the value of this elixir has also surpassed ten ordinary third-order elixirs, and it has reached fifteen hundred spirit stones.

Zhongyuan ginseng, a fourth-order elixir, has a wide range of uses, which can be used as the main medicine to refine the fourth-order elixir, and can also be used as an auxiliary medicine to cooperate with other spiritual objects for alchemy. Once ripe, it will soon blossom and bear fruit, and as soon as its seeds hit the ground, this precious elixir will turn into a pure aura that nourishes the soil in which it has grown for many years.

In the last battle of Taihong Mountain, the Zhang family captured six third-order pills from the battle of Feng Castle on the periphery, and with the five third-order pills preserved in the family, Zhang Zhixuan was already preparing to compile an alchemy book to train alchemists for the family.

Among these eleven third-order pills, there are eight kinds of third-order lower-grade elixirs, two kinds of middle-grade ones, and only one kind of high-grade ones.

This high-grade Danfang is called Zhongyuan Dan, and its main medicine is a mature Zhongyuan ginseng.

As a fourth-order elixir, Zhongyuan ginseng can already refine some fourth-order elixirs, and using it to refine the elixirs taken by monks in the foundation building period is a bit overkill.

To maximize the value of this elixir, it is to exchange this fourth-order elixir for a treasure suitable for the cultivation of monks in the foundation building period to Qingxuan Sect.

It's a pity that the Zhang family only has a third-order high-grade Dan formula, and if they want to start this level of inheritance again, they don't know when they will have to wait.

Zhang Zhixuan wanted to become a third-order high-grade alchemist as soon as possible, and he had only one choice to refine the Zhongyuan Dan.

In addition to the fourth-order Zhongyuan ginseng, the Zhongyuan Pill also needed seven or eight first- and second-order elixirs, which were all common things that could be raised in the Zhang family's alchemy room.

Refining Zhongyuan Dan also has the advantage that it can quickly increase the mana of the monks in the late stage of foundation building.

This third-order high-grade elixir, because of the use of fourth-order elixir, the effect is very good, even if a monk in the late stage of foundation building takes a elixir, it can increase the mana for three years. Its side effects are also relatively small, just within three years of taking the elixir, you can no longer take any spiritual objects that increase mana.

Any monk can only take three Zhongyuan Dan in his lifetime, the first one has the best effect, increasing mana by three years, the second can only increase mana by two years, and the third one can increase mana by one year. After taking three elixirs, the side effects will be superimposed, and the monk will not be able to take any spiritual objects that increase mana during the foundation building period.

Once you mistakenly ingest a spiritual object that increases mana, it will conflict with the medicinal effect of the Zhongyuan Pill you take, and at least your cultivation will be regressive, and at worst, your muscles and veins will be damaged, hurting the foundation and affecting the future of breaking through the Purple Mansion.

Almost fifty years after Zhang Zhixuan built the foundation, the number of elixirs he took was no more than one palm. In his body, he did not accumulate any erysipelas now, and once he refined it into Zhongyuan Dan, it would save him three years of effort.

Since the trip to the Song Kingdom, Zhang Zhixuan deeply felt that his cultivation was insufficient, and he had refined the elixir, which was of great benefit to him, Qingchan and Hanyan.

Zhang Zhixuan flew all the way into the elixir garden, he didn't greet Zhang Tonghuai and a few people who were waiting on the side, and came directly to Zhongyuan ginseng. Looking at the three small white flowers shining on Zhongyuan ginseng, Zhang Zhixuan nodded and said, "Tonghuai is very accurate, Zhongyuan ginseng is about to mature today." ”

Zhongyuan ginseng, a fourth-order elixir, is different from ordinary third-order elixir, its root system is dozens of zhang deep underground, and monks with insufficient divine sense cannot find the spiritual ginseng hidden deep underground in a short period of time, once the time is missed, this precious elixir will be wasted, and the family's hundreds of years of suffering will be ruined.

It is precisely for this reason that Zhang Tonghuai made a decision immediately and immediately notified Zhang Zhixuan to go down the mountain.

Zhang Zhixuan came to the elixir garden and waited for only an hour, the three spirit flowers began to wither in an instant, and before the three Zhongyuan ginseng seeds could be put into the soil, Zhang Zhixuan's consciousness moved, and he easily found this elixir. His divine sense was already equivalent to half a Purple Mansion cultivator, and even if the spirit ginseng was hidden dozens of zhang deep underground, it was still delicate to Zhang Zhixuan.

After taking out Zhongyuan ginseng, Zhang Zhixuan handed over the three seeds to Zhang Tonghuai, let him plant them in the family spiritual field, and then took Zhongyuan ginseng to the family treasury.

Zhang Zhixuan used 1,500 good deeds to exchange for this elixir, and then spent some good deeds to exchange the auxiliary elixir for refining Zhongyuan Dan from Xihefang, and hurriedly returned to his cave mansion.

The time it took to refine the Zhongyuan Dan was longer, as long as thirty-seven days, but Zhang Zhixuan was not what it used to be, and his mana was already very strong.

Although there were some twists and turns in the alchemy process, Zhang Zhixuan, based on his rich experience, still had the thrill to refine this furnace elixir and became a third-order high-grade alchemist.

This alchemy was very smooth, not only did it successfully refine the elixir, but also the success rate was also very good, reaching three percent.

The price of Zhongyuan Dan is relatively expensive, one is about four hundred spirit stones.

According to this Cheng Dan rate, Zhang Zhixuan only lost less than eight hundred spirit stones.

However, Zhongyuan Dan is very rare, and there is no such elixir on the market.

After all, using a fourth-order elixir to refine a third-order elixir, unless it is absolutely necessary, ordinary monks will try their best to bring out the full effect of the elixir, and will not refine this kind of spiritual object that is difficult to make a profit.

Refined into three Zhongyuan pills, Zhang Zhixuan took one pill on the spot, one pill entered his throat, instantly brought a violent mana, Zhang Zhixuan retreated and refined the elixir for three months before the elixir was completely refined. Then it took another half a month to integrate the trickle of mana into the dantian.

Because his mana was far stronger than that of ordinary monks, this elixir did not increase his mana by three years, but only increased by about two years, reducing his cultivation effort by two years for him to break through the Purple Mansion.

Zhang Zhixuan personally tested the effect of the elixir, and immediately handed one to Qingchan for her to take.

Qing Chan is also a monk who has not taken the foundation building pill, and now she has built the ninth layer of the foundation, and her mana is stronger than Zhang Zhixuan, and the effect of taking the spirit pill is even worse, only increasing her mana for a year and a half.

After Qingchan came out, Zhang Zhixuan immediately asked someone to send a letter to Hanyan and asked her to return to the family.

By the time Hanyan received the reply and returned to the family, three months had passed.

Although Hanyan also built nine layers of foundation, her mana was far inferior to Zhang Zhixuan's and the others, she had the best effect when she took the elixir, and her mana had indeed increased by three years.

However, not long after leaving the customs, Hanyan cultivated to the peak of the foundation building period, unless he opened the Mud Pill Palace to open up the Purple Mansion and penetrate the two major dantians, otherwise his mana would not increase in the slightest.

Cultivating to this level, he has been able to take risks and break through the Purple Mansion.