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Thank you for your help, Lord Machina.

I don't know how to thank you.

I will never forget this."

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Deus ex machina, who had been inspecting the scene, received words of thanks from the dignitaries of the various countries present.

"As soon as I return to my country, I would like to send you a thank-you gift. ......"

Count Galana suggested, "As soon as I return to my country, I would like to send you a thank-you gift,

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"The whole country welcomes you, and we would like you to come to our country.

The Duke of Orange's invitation, "The whole country welcomes you and would like you to come to our country," was also declined and none of them were accepted.

Then, pretending to be fed up with the invitation, she disappeared again with her golems in tow.

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After losing sight of Makina, the group asked Jin a lot of questions.

"Jin-dono!　Is it true that he, Makina-dono, is your brother?

Do you know where he lives?

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Can you make something like him?

Etc, etc, etc.

But Jin smiled a troubled smile,

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"I will make that clear in due course. Please wait until then. There are more important things to do now.

He softly avoided the question, but at the same time made a good argument, which made the people in the audience change their minds.

"...... But whatever we are going to do, it will not start without King Cerroa."

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That is also true. Without the leader of this country, what we can do is limited.

While Jin was in , the old man had given him a brief explanation.

There is a hidden room somewhere in the palace, where the king and the crown prince are supposed to be, but they have not been found yet.

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Then, the first possibility is a hidden room in the basement, and the second is a place other than the palace.

The old man was aware of this and was in the process of expanding the search area by the Land troops.

Meanwhile, Erza was treating the injured.

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The location was the guest house. The building was almost unscathed.

On the other hand, the Guillaume Palace was half destroyed. The rubble is still being removed.

The Shoro Emperor had asked her to treat the wounded, and Elsa's skill was highly appreciated by the leaders of many countries.

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Among the 21 seriously wounded, there were 4 people with life-threatening injuries, and Erza would not have been able to heal all of them if she had used the highest level of surgical healing magic <>, but with <>, she was able to heal them all. (Heilung)>>, I managed to heal them to the extent of minor wounds.

There are healers in the Kingdom of Selroa, so I asked them to heal mainly those with minor wounds.

* * * * * * * * * * *

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"...... wind"

"Good work, Erza."

Jin offered Persica juice, specially made in Horai Island, to Erza, whose complexion had gone slightly pale from the use of magic power.

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It is a drink rich in free ether, which replenishes the mana that is lacking in the body.

"Thank you, Brother Jin."

Erza took a breath and thanked Jin.

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"What?

(How was <> at ......?)

Jin's voice dropped in mid-sentence. Erza had examined and treated <>, whom Fritz had rescued, in the same way.

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(......, it must be a homunculus after all)

Erza answered in a whisper as did Jin.

(Once again, I was able to examine her in detail. (Once again, I was able to examine it in detail. But the crushed left arm was healed by healing magic. (This is a great discovery.)

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Healing magic works on homunculus too. In other words, they have body tissues similar to those of humans.

(What about ?

(I'm barely at level 6 now. But I tried.)

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Erza performs secretly and offers Jin a magi crystal with the transcribed information.

Jin takes it. He is going to have the old man analyze it later.

* * * * * * * * * * *

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<, there is a small building.

At first glance, it looks like a church, but since religion is not widespread in the Kingdom of Selroa, or even in this world, we know that it is for another purpose.

"This place is kind of weird, isn't it?"

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Ann said. Lao Tzu and Ann had joined the search for the king and the crown prince.

The building itself, as usual, was slightly damaged by <>'s rampage, but it seemed to be sturdy overall and did not seem to be in danger of collapsing.

"I feel ...... uncomfortable."

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Anne said.

"Yes. The location of the building. The design of the building. The solidity. It's the only thing that stands out."

Lao Tzu agrees.

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"Let's just check it out."

First, they tried to open the door, but it did not budge.

If Lao Tzu and Anne used their full power, they could easily break down the door and get in, but there were so many people around that they had to think of a way other than brute force. Just in case, he also activated .

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"This door must be opened by magic, right?"

"In short, the mechanism that was working with mana has gone wrong .......

I went around the building. Just behind the building, I found a magi device that looked like it.

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"It seems to be this one. Let's check it out.

After a short investigation, the cause of the stuck device was found. The mana needed to operate the device was empty.

The mage collects free magical elements (ether) by using his/her mental waves and converts them into magical elements (mana).

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The mana is dyed in the color of the magician, and cannot be controlled by anyone other than the magician.

But, in the case of a mana tank, it can be said that only the part without <> is stored.

Otherwise, only the creator can replenish the mana, which is undesirable.

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Therefore, although the efficiency is a little lower, a magic machine (magi-machine) with the specifications of a mana tank stores and uses only the common part ...... of the magic element (mana), or in the case of electricity, the direct current component ....... It is a magi-machine with a mana tank.

Let me digress.

Lao Tzu uses his own ether converter to release the converted mana from the free ether, and fills the mana tank behind the wall.

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In a dozen seconds, it is complete.

"It should open now.

He turns to the front and stands in front of the door. But the door does not respond.

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"It is possible that only a member of the royal family can open the door.

Lao Tzu had to nod at Anne's words.

Jin had developed a security system that reacted only to registered magic patterns.

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"If so, this building is quite important. What on earth is hidden in it? ......"

Even though Lao Tzu and Anne are looking for the king and the crown prince, their first priority is Jin.

If there was even a one percent chance that leaving this mysterious facility as it was would be disadvantageous to Jin, its master, in the future, then uncovering its true identity was more important than finding the royal family.

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Fortunately, few people around them knew about the importance of this building, and no one could blame Lao Tzu and Anne for investigating.

Fortunately, Lao Tzu examines the opening and closing mechanism of the door.

"<><><>"

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Trace the flow of magic power and examine its structure. This is possible only by filling it with mana.

"...... Got it. This is the Magi Device for authentication. It seems that some kind of magical device that would normally be used as a is inserted.

It was not a magic pattern detection method like the one Jin had developed. However, such a <> method was rather troublesome.

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But Lao Tzu is not an ordinary automaton. He once went through the security and traps that the <> had set up for him.

"....... Here is the authentication part. If you can fool this guy, you can get ......<>."

Lao Tzu passed the authentication part and activated the switch by giving an operating command to the magi device beyond it.

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It sounds simple when written like this, but only Jin and his heirs could have identified the magi device and it from a distance.

The door slowly opened.