Until Dr. Murray returned to the mountains, Han Li knew that it was temporarily safe to use the bottle in Shenhuan Valley, because he was the only one in the entire valley, and no outsiders would break into the valley, which ensured that there would be no accidents during this period, and he could use the vial with confidence.

Han Li estimated the time of Dr. Mu's return to the mountains. He thought it was unlikely that he would find any good medicines nearby. He was probably going to look for them somewhere far away. He was likely to go to those rare old woods in the mountains. Only such remote areas could hope to collect some rare medicines, but it would take him at least almost a year to get back to the mountains once on the road, combined with the time spent searching for medicines.

Almost six months have passed since Dr. Murray descended, and it is estimated that he should return to the Qixuan Gate in another six or seven months. In the days leading up to his return, Han Li had to produce as many herbs as possible that were useful to him. He had to plan on obtaining the ingredients according to a few rare formulas he knew, and he could not waste them blindly.

Han will immediately make these medicines that will help increase power and break through bottlenecks. These are the best sacred medicines that Dr. Mu used to want to formulate, but didn't match the required medicines. Each of these medicines will be put on the market as a rare treasure that ordinary people can defeat and fight for.

Doctor Murray is such a brilliant surgeon that he has never seen any of these prescription drugs, let alone handmade them. You know, while Dr. Murrow knows how to formulate these sacred medicines, he has no medicine in his hand, but he can only sigh heavenly.

Han Li was very interested in these rare formulas when he studied medicine with Dr. Murray before, and although he never expected to be able to formulate these precious drugs, he also wrote them down. Dr. Murray also had a careless attitude toward his strong motivation to learn these formulas. As soon as Han Li asked, he would tell Han Li in detail, without trying to hide anything. I guess Dr. Murrow also thinks these formulas belong to the kind of tasteless, unfortunate chicken ribs that you eat.

Now these formulas can be Han Li's heart and soul. He honestly presses the ingredients of all the years needed to produce the herbs. He doesn't dare to relax a little. You know, there's not much time left for him. He has to get these medicines ready before Dr. Mu returns, and then put the bottle in a high court, and never use them again easily in the mountains.

Han Li did not have the slightest confidence to use the vial in front of Dr. Mu without leaking his horse's feet. He knew very well how clever and careful Dr. Mu was, and he did not tell Dr. Mu the secrets of the bottle at all.

Han Li found the relationship between himself and Dr. Murray strange and far from being as simple as a normal apprenticeship relationship.

Dr. Murray often looks at him with some strange eyes, which always makes Han Li feel that there are secrets against him that are hidden, especially in the last year or two, Han Li's feelings are even stronger. This prevents Han Li and Dr. Mu from being as intimate and silent as regular teachers.

Dr. Murray was actually very nice to him in everyday life. He had neither punched, kicked, nor cursed. He had spared no effort in cultivating his mantra to create the best conditions for him, but there seemed to be such a diaphragm between the disciples that there was always an awkward atmosphere floating among him.

Dr. Murray obviously realized that such a crack existed, but he didn't mean anything to bridge the Master's apprenticeship. He still did what he had to do. He just flavorfully urged Han Li's progress in cultivating his mantra. However, when he looked at Han Li, the original kind of gaze with a strange look seemed gradually less, and had not even been revealed for a long time.

But Han Li Min's fifth sense implicitly told himself that he didn't really give up some kind of attempt, but cleverly hid his * * * from him. In this way, Dr. Han Li Mo became even more careful. In this case, how dare he let the other party know the secret of the bottle!

Han Li learned an iron lesson from a number of history books, which is, "No harm is possible, no prevention is necessary."

Regardless of whether he really wants to be unfavourable to him or his own feelings of falsehood, it is not always a bad thing for him to be more vigilant towards Dr. Murray. If Dr. Murray is really unfavourable to him, he can avoid harm by strengthening his prevention. If he is wrong in his own sense of fifth sense, then there is nothing wrong with him to be more vigilant. He himself will not take the initiative to do the deceiving master to exterminate his ancestors. He is still a good apprentice of Dr. Murray, and will do his best to do the filial duty due to one of his apprentices.

Han Li thought that his heart was still a little uncomfortable. He and a strange master like Dr. Mu were probably alone in the Qixuan Gate. He sighed for a moment.

The bottle must not be used again after Dr. Murray returns, which is certain. Knowing that there are no walls in the world that are impervious, even if he is fortunate enough not to be discovered by Dr. Murray, he may be broken by others in the Qixuan Gate. The safest thing is to put them away as if nothing like this had ever happened.

Han Li made all the plans and made up his mind that the bottle would no longer be easy to use in secret. He fell asleep in his bed in confusion.

Over the next few months, Han Li secretly used the green liquid in the bottle to produce a large quantity of precious medicines. With these medicines, he formulated a number of rare drugs according to the formula, but there were also a number of failures during the formulation process. Each failure caused Han Li meat to ache for a long time. You should know that none of the medicines used to make these medicines are the rarest materials in the world. A single failure represents an unknown amount of silver punched with water. But it can't be blamed on him, either of these formulas were formulated for the first time, several failures are inevitable, that is, Dr. Murray personally came to match these drugs, there will be one or two failures, and Han Li will only be so relieved.

“Huang Longdan," “Qing Ling Li San," “Golden Marrow Pill," “Jingdan,” all of these rare and rare medicines outside are in a dozen vials. Once they are placed in front of Han Li, Han Li looks at these bottles, and his face is also delightful. With these magical medicines, he does not say that even the fifth and sixth layers can be practiced with too much energy.

Among these medicines, "Yellow Dragon Dan” and “Golden Marrow Pill” help him to practice the most, they all increase power and change bones wonderful use; “Qing Ling San” is one of the rare antidote sacred drugs in the world, can solve hundreds of severe poisons in the world; the last “Jingdan" is a psychotropic medicine that has a strange effect on internal and external injuries, no matter how severe the internal and external injuries, if you take one of these medicines, even if you can not recover from death and heal the injuries immediately, you can greatly reduce the injuries and save your life.

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