Chu Yun took the two girls back to Qingyue Mountain residence. The first thing he did was to lock himself in the alchemy room, and at the same time told Yu'er and Xishuang not to let anyone disturb him.

As his identity as a Danyi Hall, as long as he says this, even if Feng Wanli comes over, he will probably only wait outside, so he doesn't have to worry about causing any trouble.

Chu Yun was about to start refining the pulse and marrow-replacement pill immediately.

In the past, I had already collected all the medicinal materials for the medicinal washing and mastectomy pill in batches. Now I have obtained the last auxiliary medicine, Rebirth Grass, and everything is ready for refining medicine.

This marijuana-Sweeping and Marrow-Sweeping Pill is a level 8 pill, and it is the most difficult one among the level 8 pills. The difficulty of refining is close to that of the level 9 pills.

This is definitely the most difficult pill that Chu Yun has refined since he came to this world. Although the level of the Heavenly Desperation Pill he refined reached level 9 in the past, the Heavenly Desperation Pill is a elixir created by Chu Yun. Chu Yun had a unique advantage when refining this elixir, and its difficulty was similar to that of the fourth and fifth grade elixirs. Otherwise, Chu Yun would never be able to refine the Heavenly Desperation Pill without any internal energy cultivation.

The meridian cleaning and mastoid replacement pill is different. It is a pill with inherent refining techniques. Each of its techniques is not tailor-made for Chu Yun, so the difficulty of refining is naturally doubled.

Fortunately, Chu Yun now has the strength in the late stage of the acupoint realm, and his internal strength is completely comparable to the peak of the acupoint realm. In addition, his extremely high alchemy skills and his experience in refining the mast and marrow swapping pill last time, he believes that there is no problem with his refining this time.

Chu Yun opened the alchemy furnace as if he was in a pilgrimage, and then put the initial auxiliary medicine in it.

Rising fire

All medicinal materials begin to change gradually under the calcination of the furnace fire, the medicinal materials begin to dry out, and impurities are gradually removed.

Immediately afterwards, some auxiliary medicines were added, and these medicinal materials melted quickly and mixed with the original powders, gradually forming a layer of dark brown viscous liquid.

The alchemy process continues, and Chu Yun strives to achieve perfection in every step.

When the last main medicine, Wannian Stone Marrow, was put in, the entire alchemy furnace burst into a huge vibration.

Chu Yun had a serious expression. It was not that there was something wrong with the alchemy, but that these pills contained huge energy and they were undergoing the last step.

Condensing elixir!

Fusion of the essence of the pill and the strange energy together to form round pills.

Chu Yun put his palms on the alchemy furnace and almost uncontrollably transported internal force into the alchemy furnace.

As Chu Yun's internal force gradually consumed, the vibration of the alchemy furnace was gradually weakening.

When he gritted his teeth and sent the last strand of internal force into the alchemy furnace, the alchemy furnace completely stopped. Chu Yun breathed a long sigh of relief and a gratified smile appeared on his face.

"Perfect!" Chu Yun couldn't help but admire himself.

This time he has already simulated the alchemy countless times in his mind, and he can be said to be striving to be perfect.

Including the total amount of your internal force, the amount of elixir, and how much internal force you need to use at each node

In fact, according to Chu Yun's situation, even if his internal strength is lower, he can still refine the pulse and marrow-changing pill, but it is impossible to achieve perfection and it is impossible to condense all the medicinal and spiritual energy into pills. In other words, the final harvest will inevitably be less.

Chu Yun stood up. Although he was exhausted, he was extremely excited in his mind.

How many pills can be refined? Chu Yun was unsure. This was related to the improvement of his qualifications, so he couldn't help but be nervous.

Almost at the same moment, a system prompt rang in Chu Yun's ears:

"System prompt: Successfully refine six levels of 8 elixirs, pulse washing and mastectomy replacement pills, rewarding 4,800 skill experience.

Chu Yun opened the alchemy furnace. When he saw that six pulmonary pulmonary lying quietly inside, he finally breathed a long sigh.

"The system will indeed not deceive people." Chu Yun murmured.

With these six meridian washing and marrow replacement pills, Chu Yun’s future will become different.

Although there are even natural and earth treasures in this world that directly improve their qualifications, Chu Yun does not feel that he has such good luck to get such treasures. Even if it is the same ten thousand-year stone marrow, Chu Yun cannot guarantee that he will definitely get such a few more drops.

Three drops of ten thousand-year-old stone marrow are exchanged for six meridian-cleaning pills.

Chu Yun was glad for his wise decision at the time. If he had wanted to seek credit in front of the sect, or for the so-called punishment of evil, he would have missed the three drops of ten thousand-year stone marrow.

I just don’t know what kind of mood that Miss Wanqing would feel when she learned that she had successfully refined the meridian and mastectomy pill.

The six meridian-cleaning pills will not be less valuable than the Nine Yin Scriptures. The Nine Yin Scriptures mentioned here are not the deleted and modified version, but the original version.

At that moment, Chu Yun put away the six meridian-cleaning pills with extremely fast methods and put them into a small jade bottle.

Instead of leaving the alchemy room directly, Chu Yun sat down, poured out a pill from the jade bottle, and put it gently into his mouth.

The elixir melts in the mouth, and a refreshing fragrance drowns all Chu Yun's senses.

Immediately afterwards, Chu Yun felt something explode in his chest and abdomen, and the violent energy began to wash away his body.

The meridians, acupoints, muscles, bones, and everything are all tempered under this energy.

Finally, the energy was consumed, and Chu Yun felt that there was no change in himself, but it seemed that something had happened.

With excitement, Chu Yun called out his attribute panel and suddenly found that the root bone value on it had become 6 points.

Finally getting the bone to the best level, Chu Yun was extremely excited.

There are still five pills left, and Chu Yun decided to continue taking them without any hesitation.

After taking a pill, I continued the process just now, but the reaction level was much weaker.

After the effect of the medicine dissipated, Chu Yun, as expected, did not directly increase the root bone value.

Another pill

Another pill

When the effects of the fourth meridian washing and marrow replacement pill were absorbed, Chu Yun finally saw that his root bone value increased to 7 points.

Once a century! The roots and bones finally reached the level of once a century.

The experience value I gained in my practice in the future is finally no longer optional. Although it is not as good as Yu'er and Xishuang, and even more so than Dongfang Zhuo, this is also a significant improvement, right?

Of course, there is another most important point. The experience value obtained by treating diseases and refining elixirs in the future will be directly increased by 9 times, which is a real benefit. If you have 7 bones before refining the meridian-cleaning pill, just the experience value obtained by refining the alchemy just now will reach an astonishing 43,200 points, which is equivalent to the effect of most of the Yuanling Pills.

Although the total amount of experience gained from alchemy is limited, it is also an astronomical figure, which is enough to push one's own strength to a very high level.

Chu Yun had the urge to immediately refine a furnace of elixirs to verify his thoughts, but he finally resisted it.

Now I still have a meridian-cleaning pill left in my hand, which is undoubtedly a priceless treasure.

But for me, this thing is useless. Even if the number reaches twenty or thirty, it is impossible to raise your root bone to 8 points. If you want to continue to improve the root bone in the future, you have to think of other ways.

Chu Yun has no better idea about how to deal with this pulse-cleaning and marrow-changing pill, because it has usage restrictions, and its upper limit for increasing the root bone is 9 points. In other words, this pill is useless to Yu'er, Xishuang and others.

So who should I use this pulse and mastectomy and marrow replacement pill? My parents?

Their roots and bones only reach the best level. Even if they use this marrow-cleaning pill, they will be increased to 7 points at most, which is a once-in-a-century level. This is relatively impossible to exert the maximum value of the pill. Instead of doing so, it is better to give them more pills to increase their internal strength cultivation. In this way, although their actual combat power will be worse, their cultivation level will still be improved, and there will be no difference in prolonging life.

After Chu Yun thought about it, he finally decided to take this pulse-cleaning pill for Mr. Liu to take it.

After getting along these days, Chu Yun also knows Mr. Liu's temperament very well, and he is unquestionable for himself. Moreover, Mr. Liu has been traveling around the world over the years, has rich experience and is very experienced in dealing with things. He will definitely be able to help him deal with many things in the future.

Although Mr. Liu’s current qualifications are only once a century, the root bone value is 8 points, which is just suitable for using the meridian and mastoid exchange pill.

For Chu Yun, what he lacks the most is not these resources that can improve his strength and qualifications, but rather people, a loyal person and a person worthy of his precious resources to cultivate.

Obviously, Mr. Liu meets this standard very well.

After putting away the jade bottle of only one remaining meridian washing and marrow replacement pill, Chu Yun walked out of the alchemy room.

When he arrived outside the door, Chu Yun saw Yu'er and Xishuang standing there, and an old man stood in front of them, and suddenly it was Chu Yuanshan.

It seems that He Zheng had already informed Chu Yuanshan of the news of his return. In addition, he spent two or three months to refine alchemy in the house. It is estimated that Chu Yuanshan would have come here early to wait.

Just because of his own instructions, Chu Yuanshan dared not force himself to break through. Otherwise, with the strength of Yu'er and Xishuang, how could he stop Chu Yuanshan?

"Senior Brother, you move so fast." Chu Yun was in a good mood because of his improved qualifications and couldn't help but tease him.

Chu Yuanshan also saw Chu Yun coming out and immediately came up and said, "Junior brother, you are back. A few days ago, there was a problem of alchemy that tortured me for several days, but I have never found a solution. If it were the case before, I would have calmed down and studied, but now I know that you have a way to solve it, but I don't have the heart to test and verify it. Tell me quickly, why can't I completely extract the medicinal properties of the medicinal materials when I refining Yuanling Pills?"

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