After entering the stone chamber, Kong Shengjie and others sat on the seats in front of the furnace in turn.

"Li Xiaoyou, these materials are what you need to refine next." At this time, Kong Shengjie took out three jade boxes and handed them to Li Tian.

Li Tian took the jade box, and when he opened one, his face suddenly flashed with surprise.

In the center of the jade box, there lies a pale blue monster crystal core the size of a palm. A light warm light is constantly emitting from the crystal core.

"This is..." Li Tian was stunned. He didn't expect that what he needed to refine was a monster crystal core.

Of course, it can also be said that they are animal elixir and demon beast inner pill. Their greatest function is to store energy, which is equivalent to the elixir's elixir of the Terran family.

The reason why Li Tian was surprised was that he had never refined the crystal core of the monster, and the pills he had been exposed to in the past did not use these things.

In fact, in his impression, monster crystal core can not be used to refine pills, although there are also exceptions, but absolutely not many.

"Why, what's the problem?" Kong Shengjie asked with a smile.

"what's the problem? Just the nucleus, even if we extract the essence of energy, it should not be used to refine the Dan medicine." Li Tian shook his head with a trace of doubt on his face.

"This crystal core, taken from the ice and Snow Demon wolf in the later stage of refining deficiency, can be used to refine some pills with ice properties, such as the heart protecting pill at the level of half step miracle."

Kong Shengjie said with a smile, "of course, the crystal core of ice demon wolf can also be used to neutralize some strong elixir. Why can't it be used to refine pills?"

"Heart protecting pill? Neutralize strong herbs Li Tian frowned. He had never heard that the energy in the crystal nucleus could be used to neutralize the elixir.

As for the heart protecting pill, he has not refined it, and there is no Dan prescription, so he does not know that refining heart protecting pill needs the crystal core of ice and Snow Demon wolf.

"Little friend, it seems that you don't know much about the crystal core of the monster. In the eyes of low-grade alchemists, the energy contained in the crystal nucleus is too complex to be used for alchemy."

Another tough old man said, "but if the impurities inside are refined or completely refined, the core problem will be solved?"

"As a matter of fact, most of the half step elixir and even the elixir level used materials such as monster crystal core, because there is extremely strong energy in the monster crystal core."

Hearing this, Li Tian's heart suddenly flashed a glimmer of enlightenment. At the same time, he also realized that he had no solution to the Dan Dao. It was not only various miraculous drugs that could be used to refine pills.

"Li Xiaoyou's time to step into Tianpin is too short, and he can't touch the elixir that needs crystal core. It's normal that he doesn't understand this aspect, but you will know later." Kong Shengjie said.

Li Tian no longer asked, but opened the remaining two jade boxes. There was no doubt that what was contained in them was also a monster crystal core.

Then he came to the furnace, inspired the elixir, ready to start refining crystal nucleus.

"In the jade box, there is only one crystal nucleus of each kind. It seems that I have only one chance to try. Once the refining fails, the assessment will fail."

Li Tian thought in his mind as he roasted the stove, "but there is no essential difference between refining crystal nucleus and refining miraculous medicine. It is just that the former has more impurities and is more difficult to refine."

After a while, the furnace gradually became hot, and Li Tian didn't think much about it. After taking a deep breath, he directly threw the crystal core of ice demon wolf into it.

At the same time, the fire in his hands soared and burned violently, making the fire in the furnace shining, even dazzling.

The demon wolf crystal core is completely wrapped in the flame, and the cold and piercing breath continuously emanates from the crystal core to resist the roasting of the spirit flame, as if it also has wisdom and wants to avoid destruction.

At this time, Li Tian felt some difficulty. It seemed that the power of the cold air was no less than his spirit flame. It was absolutely not easy to refine it.

Not only that, some cold breath also spilled from the furnace and floated in the whole stone chamber, which made the surrounding temperature drop a lot.

"Look at this situation, Li Xiaoyou has not refined the crystal core. He even refined it in the most reckless way. Doesn't he know that he first condenses the spirit flame and breaks the protective layer outside the crystal core?" Kong Shengjie whispered.

"But then again, the spirit flame that he inspired was really domineering, and could even stand in a standstill with the cold air released by the crystal nucleus. You know, the cold air in the crystal core was accumulated by the ice demon Wolf for tens of thousands of years before he was alive." Another old man should be in harmony with Tao.

"Through that spirit flame, I can see that he has excellent talent. Today's examination should not be difficult for him."

"Yes, no matter how much cold air accumulated in the crystal nucleus, it will eventually be exhausted. It is impossible to compare with Li Xiaoyou."

Several other old people also began to talk, and they were full of confidence in Li Tian.

Sure enough, as the fire roasted, the outer protective shell of the wolf crystal core finally broke.Li Tian was so happy that he immediately manipulated the flame, poured into the crystal nucleus and calcined it thoroughly.

After losing its strong protective shell, the wolf crystal core soon begins to melt, and finally turns into a mass of snow-white viscous substance.

Seeing this sticky substance, Li Tian immediately breathed a sigh of relief. There was no essential difference between this thing and the product after he refined the elixir, but it was more complicated.

Li Tian's huge mental power suddenly gushed out of Li Tian's consciousness sea. Then he found that the snow-white viscous substance was actually made up of dozens of energy and some strange impurities.

"These energies should be separated, otherwise they can't be used for alchemy." Li Tian thought for a moment, and then used his mental strength to separate the viscous substance.

Splitting is not simple. Some energies are mixed with each other, so it is difficult to separate them completely. Moreover, in the process of splitting, the temperature should be controlled properly, otherwise the energy may react.

I don't know how long after that, Li Tian finally refined those energies one by one. From the beginning to the end, there was no accident.

"Whew, it's really troublesome to refine it." Li Tianchang breathed a sigh of relief. Then he took out some jade bottles and put the energy essence of the bunch into it.

Although refining the demon wolf crystal core, Li Tian's first stage assessment is not over. Next, he needs to refine two different crystal cores.

He didn't know those two kinds of crystal cores, but they would not be too bad. The difficulty of refining them should be no less than that of demon wolf cores, and even more troublesome. After all, they were in the back.

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