The analysis and repair of the giant golem proceeded smoothly now that it was on the surface.

Scaffolding is set up around it, and the technicians proceed with their work.

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Jin suggested that the material corresponding to the muscles be made from the leather of a sandworm, which should be able to produce equal or greater strength, Jin said. Jin said that it should be able to produce equal or greater power.

It took a full day to replace the leather, including the help of a young magi engineer.

The skeleton, on the other hand, was less corroded, and the work was completed in half a day.

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The exterior of the car was less difficult, although there was a lot of work to be done. This too was completed in half a day with the help of many young workers.

The problem was the internal magi device. This was the most interesting part of the work for Jin.

"Hmm, so this is the artifact's magical device (......)."

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Jin and the others were pondering as they looked at the artifact that had been removed from his chest.

What in the world is this?

"I've never seen a magic control flow (Magi sequence) like this."

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"......"

It is the <. It is the familiar Magi Device for Jin and Erza.

(Though it is quite inefficient, ...... it doesn't seem to be of the same lineage as its predecessor).

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"Perhaps the Magi Formula here works on the free magical element (ether)."

"Hmm, in that case, this place is ...... right!　If the surrounding free magic element (ether) is collected, it is to be converted into ...... magic element (mana)!

Jin casually guides our thoughts and leads us to the right path. He is always or .

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Elsa, on the other hand, is observing Gebhardt, the Magi Engineer Maestro, and gauging her own abilities.

(......) I am far behind my brother Jin. (I am far behind Brother Jin in knowledge, in understanding, and in the use of magic.)

Erza, who was taught by Jin, had already surpassed the current Magi Engineer Maestro in knowledge and technical skills, not to mention experience, combined with her original talent.

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On the other hand, Marcus Grinwald is taciturn and does not open his mouth much.

As the grandson of the previous Magi Engineer Maestro, Siegmund Grinwald, he had received gifted education from an early age, but he felt a little inferior to the Magi Engineer Maestro because he was only one step behind him in magical technology.

However, although he was controlled by <, he mastered the process of making , a super-sized golem, and was allowed to participate in a project to revitalize ancient relics (artifacts) because of his achievements.

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Just as he was rejoicing at the prospect of becoming a "Magi Engineer Maestro," Jin Nido, accompanied by an automaton named Reko, who had unilaterally laid waste to the , arrived at the same project.

No wonder Marcus is depressed. < without Jin's advice.

The analysis proceeded slowly, oblivious to the thoughts of individuals.

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If Jin had done it alone, it would have been finished by now, but neither Jin nor Erza were so thoughtless as to mention it. Rather, they were eager to know the level of the average magical engineer.

"...... control core, what is this?"

"What is it?"

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Jin had never seen anything like it. No, I know something like it.

(By any chance, is it a <>......?

There is a slight similarity with the one used for <> and <>. It is a communication function using magic power.

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"There is no doubt that this is the control core that operates this giant golem.

But it can't be moving as it is!

The control core can be autonomous, semi-autonomous, commanded, or none of the above. As the puzzled participants are once again confronted with a clue, Jin gives them a hint.

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"There are some parts similar to the imperative type, aren't there?　Like this part here.

"......Hmm, sure."

"But even though it has a basic operation expression, the <> is blank. Instead, it is connected to the magi device over here, which is ......."

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"I see, is this Magi device giving commands?　No, it should not have such a function.

"What if we think that instead of giving commands with our voices, we give them with something else?"

"...... You are indeed a magical engineer 《Magicraft Meister》. That's very likely!　Then, this is the Magi Device: ......."

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After a full day of work, this method was named , and the Golem's operation type was increased by one.

"......"

"Brother Jin, what are you thinking?"

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As Jin was relaxing in the room given to him in the palace, Erza came in with a bottle of wine.

"Hmm?　About the giant golem you are currently studying?

"Hmm."

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Elsa sat down opposite Jin and showed him a bottle of wine.

"This is one of my brother Rai's favorite brands. <
"Is noble rot wine ...... a sweet one?"

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The wine made from <, which have been moistened by noble rot fungus and the sugar content has increased, is called "noble rot wine" and is extremely sweet. It is preferred as an aperitif or dessert wine.

Reinhardt and Elsa like it as dessert wine.

"Yes. It's very smooth on the palate, like juice."

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Erza asked Edgar to pour it for Jin and herself. Jin took a sip.

"Yeah, it's definitely sweet.

Jin is not a drinker and prefers sweet wines to dry wines, so he liked this wine.

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"What's your concern about the giant golem at ......?"

"Oh. The first one is solved. I was worried that there might be a device built in that would cause an ......<>."

The "Aether Stampede" that occurred at the end of the Magic War was the work of a homunculus called a "Negador".

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The homunculus hated the human race and the demon race, and caused the "Aether Stampede" in order to destroy them.

As a result, the population of the known world has decreased to less than 40%.

"...... convinced."

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But it seems that the artifact left here had nothing to do with the Negador.

"And the second one?"

Elsa tasted the wine and continued her question.

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"It's a control device. There should be a control unit or a pilot's seat somewhere like ......<> or <>, but I'm concerned that I can't find it."

Without it, the giant golem will not be able to move even if repairs and maintenance are completed. The work would be pointless.

"Is that all?"

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"No, there is one more thing. It's the Magi Formula that was engraved on the back of the armored chest.

I didn't see it.

Jin explains to Erza, who looks at him strangely, as if to appease her.

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"That's right. I found it and immediately ordered Reiko to take it to the Prime Minister, so it's not surprising that Erza doesn't know about it either.

"...... dangerous thing?"

Jin nodded at Erza's voice and took a sip of wine, moistening his mouth before continuing.

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"Dangerous, I guess you could say. It was a magic formula that amplifies magic.

It is one of the lost techniques of magic.

But Jin knew about it, didn't he?

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Jin nodded at Erza's confident question.

"Yes. But it has many shortcomings. ......

Jin looked at Erza's questioning face and began to explain with a wry smile on his face.

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"......The concentration of free magic element (ether) is too thin in the current world."

"......Oh, that's what I mean."

Erza understood immediately. She knew from what she had heard that the concentration of free magical element (ether) was at least three to five times higher in the world before the Magic Wars than it is now.

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In other words, it is meaningless without a large amount of free magic element (ether).

"Even if you amplify it, you will soon run out of mana, is that right?"

Correct. It works similar to ...... eladolite. They work 20 times better, but this one works 10 times better at best.

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Still, a threat.

Ten times as many, but if you think of it as one to ten, one to ten... The difference is overwhelming.

"Probably, just moving that huge body consumes a lot of mana. I think the amplification function was necessary to temporarily compensate for that."

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"...... What would happen if a normal person used this?"

"...... will soon run out of magic power.

The term "run out of magic" here refers to the depletion of mana in the body. Even if it is amplified, it does not create something out of nothing, but only combines 10 times of magical power into one time.

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"Therefore, it is a meaningless technology unless it can generate abundant magic element (mana) out of the abundant free magic element (ether).

Jin reassured Erza with this assertion, but he knew that it could be a threat depending on how it was used.

(If you make mages disposable and let them attack ......)

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) However, this is a tactic that would be meaningless in the current situation where mages are scarce.

In addition, Jin thought that it would be safer if the Ministry of Magic and Technology of the Shoro Empire controlled it and kept it out of the gate.

"One more thing: ......"

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"...... one more thing, what?"

Erza asked back with a tilt of her head.

"...... control core, but there was a part of the formula written in it that I don't know either."

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Jin's knowledge does not cover the period between the time of the previous generation and the present. He does not know about the magical tools made during that period or the magical technology developed during that period.

There is little, but not zero, information on such things.

Especially since the technology of magic had been progressing little by little until the time of the Great Magic War.

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"As long as there is no one around. ......"

The danger of showing 100 percent of Jin's abilities, the decision not to spread the word too widely depending on what is written, and the fact that the site is "protected".

"There was a big possibility that it was protected, so I didn't do it."

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He considered the possibility that it might react to attempts to analyze it.

"Is that ......?"

"Yeah. If it destroys itself, that's fine, but if it explodes or something. ......"

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For the sake of secrecy, the golems created by Jin are also designed to self-destruct if they are subjected to aggressive analysis by others. Jin's fears were not unfounded.

"I hope something won't happen in the future by leaving that unattended," he said.

"We can tell them that they should put it back underground and store it again with a lower concentration of free magic element (ether).

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Then it's the same as before. There is little chance of anything happening.

"Yeah, I'll make a suggestion tomorrow."

Jin replies with a sense of uneasiness in his drunken head.

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