Although Tang Ning had also exchanged a lot of spiritual herbs in the Danding Academy, the spiritual herbs that had been exchanged before were only second-grade spiritual herbs, and each spiritual grass only had more than 100 merit points of less than 200, and each of the Blue Mist Grass had more than 3,000 merit points, the Purple Flame Chrysanthemum was more than 10,000 per plant, and the Xuanye Soul Returning Grass had reached nearly 60,000 merit points per plant. Pen ~ fun ~ pavilion www.biquge.info

He had saved a lot of these spirit grasses before, and they were all collected in the forbidden array near Luoyun Waterfall, but when he tried to refine the Hui Yuan Dan and the Yuqing Soul Returning Pill, he lost some of them, but he didn't expect it to be so expensive.

Zhuo Yan naturally saw Tang Ning's embarrassment, the corners of his lips curled slightly, and said, "Among the alchemists known to Daoyou, what is the highest grade?"

Tang Ning didn't think about it and said, "When it is Master Luo Yan of Xiaoyun Academy, it is said that he is already a seven-rank Heavenly Pill Master. ”

According to the division of the pharmacist guild, alchemists are roughly divided into three levels and nine grades, below the third grade, including the junior alchemists who have not entered the product, called the Xuandan master, the fourth rank to the sixth rank Dan master, which is the second order, called the Di Dan master, and the seventh to ninth grades are classified into the third order, which is called the Tiandan master, as for the nine grades, the cultivation world has not yet appeared.

Zhuo Yan nodded and said, "Do you know why the more high-level alchemists are, the more scarce they are?"

Tang Ning hesitated for a moment before saying, "But because of the difficulty of promotion?"

Zhuo Yan shook his head and said, "Although what you said is not wrong, it is not the main reason, now above Kyushu, the highest grade spirit grass that can be found is only the seventh grade, how can there be a higher grade alchemist?"

Tang Ning suddenly understood after a little aftertaste, the higher the grade spirit grass, the more scarce it is, the Xuanye Soul Returning Grass is already a five-grade spirit grass, and the loss is in the Danding Courtyard, change places, and there is no place to buy it if you have money.

After pondering for a while, Tang Ning said: "Reduce the Blue Mist Grass to two, the Purple Flame Chrysanthemum to three, and the rest remain unchanged, see how many Qingxuan Stones can be exchanged." ”

Since the five-grade spirit grass is so cherished, it can't be let go when it meets it, and it will definitely be alchemy often in the future, without the assistance of the elixir, according to the rotation speed of the nebula in the Dan Sea, I am afraid it will be difficult to find a suitable place for one's cultivation.

Zhuo Yan exchanged it for Tang Ning according to his words, and in the end, he only exchanged ten catties of Qingxuanshi powder, Zhuo Yan said: "The main use of Qingxuanshi is still refining, and it is only used as an auxiliary material when refining Dan, so the Qingxuanshi supplied to the Danding Academy is all processed into Qingxuanshi powder from the scraps of the Instrument Manufacturing Institute." ”

Tang Ning nodded, the reason why he wanted Qingxuanshi was actually to refine Qingxuanjin from it.

The talisman forbidden in the Daozang Academy, he has worked hard to study it during this time, and what he lacks is the green gold that refines the talisman forbidden.

Coming out of the Danding Courtyard, Tang Ning first contacted Concubine Yi and asked about going to Xiancheng, there was a rune transmission, and it was extremely convenient to connect with each other, and within a moment of the idea being transmitted, Concubine Yi gave back, asking him to take the time to go to Tianji Academy to find Yongsha, and ask Dao Palace to participate in the selection of Xiancheng, which was in charge of Tianji Academy.

Tang Ning pondered for a while, and did not go to District B to find the Tang family, but first returned to his residence in Danding Courtyard, planning to refine a few furnaces of spirit pills first, and then said, since time was running out, there was no need to continue to stay in Danding Courtyard.

The array isolated the inside and outside of the Dan room, and then released the Xuanye Danding, this time he did not plan to use the Dan furnace provided by the Danding Courtyard to refine the Dan, but to use the Xuanye Ding to refine, after all, after leaving the Danding Academy, the most used is the Xuanye Ding that he carried.

Took out a clump of thumb-sized flames from the storage ring, which was exactly the jade pupil that originally recorded the "Dan Xinlu", which was originally just a cloud of misty aura, but unexpectedly, in the Taixu Secret Realm, a huge blue flame stone was devoured by fate, and finally turned into a clump of thumb-sized flames.

Tang Ning also found out when he left the Daozang Monastery that the huge blue flame stone had been completely devoured, and there was still a faint wisp of spiritual consciousness in this flame, and after a little communication, he understood that the jade pupil slip that recorded the "Dan Xinlu" turned out to be a treasure, and the body was the fire collected by a powerful man in the East Pole Heaven.

"Dan Xinlu" is the inheritance of the sect created by the powerful man in the East Pole Heaven, the sect was destroyed in a catastrophe, and a trace of spiritual fire has been born to roll up the "Dan Xinlu", hiding in the Xuanye Danding, but in the end it was obtained by the white-robed Taoist, and because of fate, Tang Ning was refined.

After thousands of tribulations, the fire has already been weakened to the limit, if it weren't for this, it would not be easily refined by Tang Ning, and now that "Dan Xinlu" has been passed down to Tang Ning, the fire has been replenished by the huge blue flame stone, and it has recovered a trace of vitality.

If the fire is to be fully restored, a large amount of flame replenishment is still needed, of course, the most important thing is that it cannot be stored in the storage space in the future, otherwise it will have to dissipate sooner or later, and it must be placed in the Danhai to nourish.

The name of the fire is Xuanqiu, which is used by the powerful man who left the "Dan Xinlu" to make alchemy, but after countless thousands of years, Xuanqian Flame has not been nourished, and it is still isolated in a closed space, and the grade has fallen to the limit, and even the body is about to be unable to maintain, if it is not given to Tang Ning by the white-robed Taoist, it is estimated that it will not take long to completely dissipate.

Tang Ning naturally would not use Xuanqian to refine the pill at this time, but would put Xuanqian into the Danhai Sea to nourish.

The flames paused on the fingertips, then seeped into the skin like water droplets, and appeared in the Danhai in an instant, slowly approaching the black spot in the center of the Danhai along the direction of the nebula's rotation.

Shen Nian only paid attention for a moment before withdrawing from the Dan Sea, and his attention shifted to the Xuanye Ding in front of him again.

After Tang Ning's unremitting efforts, Xuan Ye Ding's third seal is already crumbling, and it is only a matter of time before it is refined, after being marked with two divine thought marks, Xuan Ye Ding can now be controlled as he wants, but the largest is only two people tall, and the smallest is only the size of a baby's fist, if it is completely refined, Tang Ning can't imagine what it will become.

Adjust the Xuanye Ding to the appropriate size, throw a red flame stone at the position of the fire source, and with a thought, urge the formation in the Xuanye Ding to operate, and when the red flame rises, the Xuanye Ding is completely wrapped in it, and with a flick of the fingers, the lid of the Xuanye Ding is suspended in the air, and a misty haze rolls and surges from the Ding.

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