Shikkaku Mon no Saikyou Kenja~ Sekai Saikyou no Kenja ga Sarani Tsuyoku Naru Tameni Tenseishimashita~

After communication with the Demons expired, a few minutes later.

We were safely out of the labyrinth and back to the inn.

It was just a demonic raid a while ago and as noisy as ever in the city, but the inn seemed to have reopened its operations already.

Well, the damage from the raid was almost nil, and it's probably peaceful now compared to when that lord was sitting there.

"So... how do you find the Demons?

"This is it."

I answer Alma's question as I take out the little demon stone.

"... Demon Stone?

"Something feels like demonic magic..."

After all, does Lurii notice?

"Oh. This was conveyed via communication magic, the magic of the Demon Clan of Examples.... It'll take a while to stabilize it, so it's not complete yet. Use this to detect the Demon Clan"

If you pass relay magic, you can certainly disguise where it originates.

But beyond relaying magical communications, his magic will really blend into communications.

Even a dedicated correspondent would change the story again, but that would slow down the communication.

Wide area detection based on magic in the first place is a lesser known technology in the world even before it receded, and we don't usually counteract it.

"Detection by magic means... passive detection?

"No, passive detection can't cover that much more extensively. Sure you can spread it with other magic... unless the enemy is pretty close, you won't be able to find it with passive detection"

Our enemies will be further away from us than they are wary of detection.

Trying to detect on the assumption of being nearby is only a waste of time and effort.

"Is that another way? Like a dragon vein...?

"You're half right. I also use dragon veins... but that's not enough. Use pre-prepared equipment"

Wide area detection from magic was a rare technique even before the decline.

Naturally, it's not easy... Actually, I can make it a little easier this time.

"... equipment?

"Oh. There is a giant magic item that can detect enemies based on magic. That's how you use it."

That's right.

The equipment I built in my last life is still there.

Incidentally, the equipment used to destroy the Demon Nation makes it possible to root and detect the Demon Nation if you take the time to prepare.

"I've never heard of such magic props..."

"I guess they don't know. At least 3,000 years ago, it's a demonic prop, and if you find it, you won't know how to use it."

"But, Matty, do you know where and how to use it?

"That's the thing. I know why... there are so many things going on."

I can't even say I made it in my previous life, so let's just properly deceive why.

Well, Iris seems to have realized why, sending a meaningful glance at me.

"Well, Matty, something's wrong with your knowledge and all that... so where is that magic tool?

"He said it was the closest... right here"

I spread the map over my desk and point a little over a hundred kilometers away from here.

Look at that...... Alma screamed.

"Far away!"

"... but it's a little over a hundred kilometers, huh? It won't take that long if you run."

"No, I can certainly run at a distance... this is another country, right?

"... Really?

"Yeah."

Another country......

That's for sure, it's hard to move.

Using the magic props in the example, there is quite a bit of noise around the area in the aftermath of magic.

Therefore, there is no reason to sneak in and use it.

"How about this one?

That said, I'm referring to a point about 130 kilometers away in another direction.

In the sense that the dragon pulse was touched, there are three examples of equipment that can still be used today.

Easy to use if any one is in the Kingdom of Eis......

"Another country."

"Well, over here"

"It's another country."

Apparently, all the magic props were in other countries.

Well, it's only three magic tools in the world, so I still feel better just being within normal distance of being able to run.

"... it takes a lot of time for the magic of this to stabilize to a practical level. In the meantime, we need to go to another country."

That's going to be a bigger story than I thought.

... In the meantime, do you also get it with the King's cooperation?