"By the way..."

　Elsa spoke up.

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"I'm currently researching why engineering magic doesn't work on living organisms, but it's difficult. If you have any theories, please let me hear them.

　At these words, the listeners showed their understanding, as if to say, <>.

"Indeed, it is strange, isn't it?

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"Healing magic has an effect on living organisms, doesn't it?"

"Well, ...... it's a difficult subject."

　Erza intuitively thought that it would not be a waste of time to share her wisdom at this stage, although there was no way to solve the problem.

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　< was familiar with the previous theories, so Erza did not say anything unnecessary.

　However, this is a topic that we have been thinking about for a long time and have not been able to come to a conclusion.

　This time, too, it was not so easy.

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　Even after an hour, no new theory had emerged.



　However.

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"Well, this is just a layman's idea..."

　Erza's mother, Meene, opened her mouth.

"What's the difference between <> and <>? Erza can use both, right?　Well, that's why ...... well, I can't really say. ......"

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　Meane is not good at this kind of academic discussion, so her words were a bit hesitant, but those who understood what she was trying to say understood what she meant.

"I see, you are approaching it from that side!"

"Hmm. <Read at https://w w w . m t l r e a d e r.com

"Oh, I see!"

　Jin and the other members of the theoretical group had just realized that there was a method of comparison.

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* * * * * * * * * *



　It was already late that day, so Erza and the others decided to try the approach again the next day based on this hint.

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"In order to make a comparison, I'm going to use <> and <> as the subject of magic with similar effects."

"Yes, I think that would be a good idea.

"I think that's a good idea too. But is there such a magic?

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　The members are Elsa, Licia and Hannah.

"Well, there's something called narcosis.

"That's the magic to put anesthesia, isn't it?"

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I've never heard of it before. ......

"The other day, when I was rescuing people from a cave-in accident in the Shoro Kingdom, I wanted a magic that would make them unconscious, not just paralyzed, so I made one after I got back."

"You made it?" ...... "You're Elsa, after all."

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"That's great, Elsa."



　Anyway, now we can compare the effects of <> and <>.

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"<> is a magic that passes high voltage through nerves and paralyzes them with a shock, right?"

"Yes. And <> is a magic that weakens the weak nerve currents that flow into the nerves and makes them less responsive."

　Here Hannah says something.

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"Isn't it possible to stop the nerve activity if you make it stronger?"

"Nope."

"What?　That's too scary!"

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"I think so, too, when I created ......."

　In other words, it is possible to stop cranial nerve activity instantly.

"I think we should designate it as forbidden."

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I'm afraid so.

　Anyway, what are the similarities and differences between these two types of magic, which are a bit similar in that they both manipulate <>?　The three of them began to think.

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"<> is applying electricity from the outside. But <> manipulates the electric current inside the body. ......"

　Hannah tilts her head.

"I think there might be a clue in that area."

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"Yes. Well,......<> is a weak current/voltage in the human body,<> is a small current value but a high voltage,...... it is not."

　Licia is also thinking about it, but she is not quite sure what to think.

"I wonder if it's not a strength ......."

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　Hannah sighs.

"Voltage?　Electric current?　How do you control electricity in the first place?"

　Erza replies to Hanna's question.

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"I think it is converting magic power into electricity. It's difficult to understand because the magic power is subject to the will of the magician, but not so when it becomes electricity."

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"Ah, I can sort of understand that."

　Hannah cannot use magic, so she can only imagine what it is like.

"In other words, healing magic requires more subtlety ......?"

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　But Erza shook her head.

"Not necessarily. Jin, for example, can eliminate errors down to the micron."

　< golem and automata.

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"In that sense, it may be <>."

　Elsa said.

"Scale?"

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"Nope. Engineering magic can deal with things that are unbelievably large, but healing magic is basically for the human body."

"Ah, I see!　...... but I'm getting more and more confused. ......"

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　Here Licia gave her opinion.

"Erza, you can use both engineering magic and healing magic, is there any difference in how you feel ...... or how you use it?"

"Hmmm... ..................."

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　This question seemed to be surprisingly pertinent, and Elsa thought hard.

"Maybe it's <>."

"<>?"　

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"Yes. Otherwise, there is no way to tamper with other people's neural currents.

Yes, that's right.

Yes, that's right.

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"It's not just nerve currents. It's not just about nerve currents. It's about promoting healing in other people's bodies, too.

　It's one thing if it heals one's own body, but it's someone else's body.

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"...... Indeed, <>, this may be the right answer."

　Licia also thought it over and said that this was a strong possibility.

"In the case of engineering magic, the target material has no unique magic pattern. Therefore, there is no need for synchronization."

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　Elsa thoughtfully explained.

"But in the case of biological materials, they have their own unique magic patterns, so it is necessary to synchronize with them in order to exert an effect on them.

　Licia took over Elsa's explanation.

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　However, Hannah refuted her explanation. Rather, she pointed out a hole in the theory.

"But then, what about living organisms that can't use magic?　Or rather, what about biological materials?　For example, trees and grass?

　In this case, the original theme of why engineering magic does not work on living organisms became a problem, although it was not the topic of healing magic.

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"<> might be the key.

　The three of us are not surprised if we can come up with something more .......

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"Well, healing magic needs <>. Engineering magic does not. Hmmm... ............ that?"

　Hannah pondered and came up with a confirmation experiment.

"Hey Elsa, is it possible to use engineering magic on living bodies with <>?"

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"Oh, that's a good idea.

　Licia agreed.

　This is an experiment that only Erza, who can use both at a high level, could ask for.

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"Well, even if we try ......, the subject should be ......."

"Oh, I see."

　We can't use <

on a human subject. The three of us were thinking about what would be a good target and subject for magic.

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