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Deneb 1 of the 5th column (Quinta) was dressed in the clothes that Elsa and Meene had bought for him and was sent to buy clothes for the others.

On Anne's advice, they decided to buy second-hand clothes, as new ones would be too conspicuous.

She also sent them to the Blue Lands to buy some clothes, and after repeating this process, they all had enough clothes by the end of the day so that they could live in a human town without being recognized, so she sent them on their way.

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"Okay, then," he said.

"Yes, sir, Chief."

We scatter them to various locations, starting from places with warp gates, such as Potlock, Blueland, and the ruins of the fort.

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All of them are to make a regular call to Lao Tzu in the morning and at night.

We also plan to set up small warp gates at appropriate locations.

That's all for the time being.

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Jin takes a deep breath as he watches all the participants transfer to the next location.

"Now, what are we going to do next?

The answer, of course, was Anne.

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"Goshujin-sama, I know you studied the medicine the other day, but how do you store the blood you used?"

"Hmm?　I froze it."

Is it still the original blood?

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Yes, it is.

Then Anne looked flustered,

"No!　Blood is difficult to preserve!

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Jin also said, "Lao Tzu, what are you doing?

"Lao Tzu, what does Ann say?"

Lao Tzu said, "Yes, that's right.

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"Yes, that's right. The information I copied from Ann was sorted out last night, and I immediately responded to it. I apologize for the delay in contacting the master (My Lord)."

Jin was relieved.

"Well, that's all right then. It would be a waste to waste such a rare material. What kind of preservation do you do with ...... if you can't freeze it?

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This was answered by Ann.

"It is not the red part that we need, but the liquid component. Once separated, it can be stored in an ether stocker with almost no deterioration.

"Aether stocker?"

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Jin had never heard of this word.

"An ether stocker is a storage facility in which the amount of free magic element (ether) in the air is increased to more than 20 percent. It can store materials with magic power semi-permanently without deterioration."

Anne explains. This is good news.

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"I made the cellar last night and transferred the blood to it.

Lao Tzu also reports. After the fact, Jin does not blame her for this. In fact, he praised him for a job well done.

"Well, that's a relief. Then, Lao Tzu, have you already analyzed how to make an official recovery potion?

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"Yes, I have. Yes, I have completed the part that was unclear and I know how to do it.

So, we start the production of the recovery potion immediately. The effectiveness of the recovery drug has already been proven in Meene, and the demand for the drug is expected to increase.

The centrifugal separation was right on the mark. However, there was no need to do it at subsonic speed, and as a result, the next filtration process was shortened.

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"Normally, the separated serum is filtered?

Yes. But thanks to Reiko, only the final filtration is required.

Reiko's subsonic centrifugal separation had saved two steps of filtration.

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This time, about 10 liters are processed.

Only about 3 liters of pure serum remain. The rest is stored in the ether stocker as it can be used for various medicines and even poisons.

"This is almost like free magic element (ether) in liquid form, isn't it?

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Jin asked, to which Anne answered in the affirmative.

"Yes. If the magecrystal is crystallized free magic element (ether), then this can be called free magic element (ether) in liquid form.

The purity is more than 70 percent. According to Anne, it is practical enough if it exceeds 30 percent, so we can expect it.

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"Once exposed to free ether, the impurities will be precipitated out and the purity will be further improved. This is called the drug base.

It seems that there is an ingredient in the true serum that can take in or bind to the free magic element (ether). It is said that the more powerful a demon is, the more of this ingredient it has.

What about your father's blood then?"

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Reiko, who had been silent until now, spoke up.

"Your father probably has more magical power than a sea dragon.

"What ...... hmmm..."

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Jin ponders. Certainly, according to Jin's hypothesis, the free magical element (ether) is taken in through the lungs and dissolved in the blood. Then, the higher the ability to take in free magic element (ether) in the blood, the more magic power there is.

It is similar to the relationship between oxygen and red blood cells. The more red blood cells you have, the more oxygen you can take in.

"Okay, let's try it with my blood one of these days.

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Jin said, but was not very enthusiastic about the idea.

Resigning himself to the task, Jin hurriedly builds a box of free ether. It is a four-fold increase in the capacity of the ether stocker.

"I guess I can just put it in here."

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Jin said as he put the drug base into the ether box the size of a large refrigerator.

Yes, one day is enough. The remaining impurities will also precipitate out, so we can kill two birds with one stone.

On this day, we processed another 20 liters of drug base, making a total of about 10 liters of drug base.

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* * * * * * *

Lunch that day consisted of fresh bread, Citran marmalade, Persian juice, and stir-fried vegetables.

After the meal, Jin told Erza about Reinhard's disappearance.

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He said, "Now he's going to the Asur River. He was blabbing about having to wait again.

"Hmm. It took me a week to cross those two rivers on my way there.

Really, what is that country thinking? Reinhardt-sama, you should be very careful.

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Jin was a little concerned, but he thought that a diplomat of a country would not be attacked in broad daylight, so he returned to Horai Island that day.

* * * *

"Well, let's let the 5th row (Quinta) find the armor for the golem suit research, and let's see what we can make in the afternoon.

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Jin immediately thinks about what to do.

"We don't have much in the way of land transportation. I saw them the other day, cars, right?　I think we should develop such a means of transportation for the army.

Jin agrees to Anne's advice. Tanks, armored cars, military trucks, etc. come to mind.

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"Yes, we made a carriage for the suspension system. We can use that golem arm.

He immediately begins to formulate a plan.

Since caterpillars are troublesome, he increased the number of wheels to eight. Since rubber would not hold up well, he lined the wheels with sea dragon leather instead.

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Eight wheels are independently suspended, and the engine is an eight-cylinder engine, or rather, an eight-cylinder golem engine. One for each wheel. The frame and armor plates are adamantite.

The windows can be opened and closed in case of emergency to look outside, but the magic screen is usually deployed to provide a 360-degree view of the outside as if there were no walls. It is also an excellent telephoto projector. Of course, night vision is also possible.

Armed with a laser cannon, a rail gun, and a water jet.

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Capacity of 4 people. It is equipped with a magical communication device (manacam) and can deploy a barrier.

Equipped with a wire rope and a winch in case of getting stuck in muddy ground.

In addition, it is equipped with four auxiliary magical jet propulsion engines (magijet engines), which can reduce the weight of the vehicle to one-fifth.

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The interior is air-conditioned, and although it is small, there are two folding bunks so that passengers can take turns taking a nap.

Jin has added any equipment he can think of. The specifications are outrageous.

"Okay, that's about right."

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"Goshujin-sama, we need drinking water, a pantry, and medicine. And floodlights."

Anne pointed out what was missing. We decided that the floodlight should be able to emit infrared and ultraviolet rays in addition to visible light.

Once the basic design was given to Lao Tzu, he would prepare all the parts except for the important ones that only he could make, so the workload on Jin was light.

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The third day ended in this way.

* * * * * * * * * * * *

At night, a conversation with Reinhardt.

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"I'm in Dali. The place is crowded just like Tellus. There are some shady characters roaming around."

"Are you all right?"

"Yes, there are soldiers from the Shoro Empire in Dali, so don't worry about them.

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That's good.

Oh, yeah, I met someone I didn't expect.

Who's that?

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Who's that? - Someone Jin knows.

I know someone from the Kingdom of Celuloa... ...... Stearena?

"Yes, I know her. She's on her way back from reporting to the palace.

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