The next two days of the meeting went on as usual. As an observer, Lena attended most of the meetings he could attend, so as to systematically understand the general academic development of the world.

He found that the Deathly system and the Department of change are still in a very primitive stage, and many theories can not be solved by modern magic ideas, especially the research on human body and animals. Although Sir Charles Preston of the Deathly system initiated surgery, it is also limited to conventional trauma surgery, and the treatment of some internal diseases is still in the exploratory stage.

On the third day of the meeting, that is, the day when Lena was supposed to take part in the magic test, Lena, who had already advanced one link, was listening to a lecture on the similarities and differences between human beings and animals in the Department of necromancery. He carefully took notes, especially the description of those magic creatures. When he looked up, he found that an old man had come to him.

"Shh."

He put up a finger and winked at Lena.

Lena repressed his surprise and nodded calmly.

"Monsieur Preston."

It was Charles Preston, the legendary mage, who was the head of the Deathly system. He was hiding his face in his hood, and no one was aware of his identity except Lena.

"Ha ha, I wanted to visit you directly, but I thought that it might add a lot of unnecessary trouble to you, so I came here."

Different from his fearsome majesty, the mage was polite and had a noble temperament in his speech.

"What can I do for you, sir?"

At this time, the content on the platform has been unable to attract Lena's attention, he whispered to the legendary mage around him, some doubts.

"I heard the papers about radioactive elements before, which mentioned that the radiation released by radioactive elements has a strong killing effect on living tissues, right?"

Mr. Preston asked softly. His impressive walking stick is missing. Instead, it is a pure black umbrella with a brown wooden handle. At first glance, he looks like a graceful old gentleman rather than a powerful necromancer.

"Yes, in fact, the author of this paper, Mr. kelavin nabistine, got sick because he had been exposed to these rays for a long time."

Lainer explained that according to the reports he heard in recent days, cancer has not yet appeared on a large scale in the world. The main reason is that there are too few mages who study radioactive materials, and most of them are extremely powerful enough to rely on magic barriers to shield those radioactive sources. Mr. kelavin's situation is rare.

"I have previously received a report from my disciple that after people in some areas come into contact with special minerals, it is easy to produce a disease that is difficult to cure. The diseased organs will produce an almost infinite proliferation of living tissue, quickly replace other organs, and eventually lead to failure and death."

Said Monsieur Preston, opening Lena's eyes slightly.

"The symptoms are very similar to those of Mr. kelavon."

It seems that cancer did not appear, but because it is too difficult to cure, so the general necromancer can not carry out research.

"To tell you the truth, when this kind of special living tissue appeared, I thought I could find the secret of immortality, but after extracting part of it for cultivation, I found that these living tissues could maintain normal functions at the beginning, but then they changed rapidly and became living tissues that could only proliferate infinitely, just like Sauron's alien species, which spread and engulfed and assimilated others Life organization. "

Sir Preston sighed, with a sense of powerlessness.

Up to now, the mages have not found a way to live forever. Even if they are promoted to a higher level, they can only extend their life to three or four hundred years. The legendary mage's life will not be more than twice as long, and all mortals will die. This may be the reason why the mages can't give up sociality completely and have to inherit it.

"From these life organizations, I feel a premonition that if the mages can extend their life to almost infinite in the future, there will be such an uncontrolled situation, and eventually become a stubborn disease of the world."

He pauses, shakes his head, cuts the subject off, and goes on.

"Although the number of cases caused by radioactive elements such as radil in several half planes is small, the death rate is almost 100%. I have been looking for a way to cure this disease before."

"It's a pity."

Lainer said that even on earth, the cure rate of people suffering from cancer is not high, and it is difficult to effectively prevent its spread. Once the cancer cells spread, it is difficult to treat by any means, and doctors can only take treatment measures in the early stage of cancer, not to mention the magical world where cancer has not been deeply studied.

"However, after listening to your introduction, I have a new idea."

Mr. Preston said that his fingers were beating rhythmically on the handle of the umbrella. Although Lena was not sure, he suspected that the legendary mage might also be proficient in music.

"In the cases we know, some of the original lesions on the body of some patients disappeared inexplicably, and we can clearly observe the traces of the lesions. Before that, we didn't know why. Now it seems that these rays may be the reason."He said in a deep voice.

"The radiation released by radioactive materials can cause damage to living tissues. Similarly, it can also cause damage to these infinite proliferation of living tissues, and make them lose the activity of proliferation. According to the targeted research in recent days, my disciples found that different organs and living tissues have different resistance to these rays, if they are limited by magic "We may be able to use these rays in turn as a tool to treat this disease."

Radiation therapy, Reiner thought, this method is widely used in cancer research on earth, and this is just the tip of the iceberg for the application of these radioactive materials.

"I come to visit you mainly to express my gratitude to you. Your report has solved the problem that has been bothering us all the time and is likely to save hundreds of lives. Although you have joined the mercury balance, due to your contribution, the door of the immortal throne will always be open to you."

Lord Preston said that the throne of immortality is an organization of the necromancery, in which most doctors and scholars of magical biology are involved.

"It's my pleasure to help you with your research."

Lena nodded and saluted. Then he saw Lord Preston standing up and walking out of the conference room like an ordinary mage.

Still thinking about the other party's real intention, a mage in charge of reception found Lena and handed him a letter from tolendo.

Taking the envelope, Lena saw the sender.

It's Claire.

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