Branch Manager Kondo inquired at adventurers' guilds around the world and gathered information about "Atrak-Nakua," the spider god from the Cthulhu Mythos, and his dependents.

　As a result, it was learned that the evil god resurrected in the thirteenth layer seems to be the chief of the gray weavers called "Chitkaa. And it is said that the sword of light is effective against this evil god.

　Knowing this, I thought about what kind of strategy I would use.

'To attack with the light sword Clau Solas, I'd have to jump into the bosom of Chitkaa at very high speed, right? How do we do that?"

　Nezu came to me as I was thinking in the workroom of the mansion. Nezu has been eagerly learning life magic since his return from Nagoya.

I heard that you jumped from building to building using a catapult.　Between buildings, it must be more than ten meters.

It's true. I triggered the 'catapult' again in mid-air."

'Oh, I see what you mean. Thank you."

　As Nezu left the room, he began to think about the "catapult. He had been thinking about an improved version of "Catapult" for some time, but had not started full-scale development because he was not sure how much improvement was needed.

If the catapult is going to work for the evil god Chitkaa, the travel distance of the 'catapult' will have to be increased by a factor of ten."

　Ten times ten is one hundred meters. Magic that can make a human being move a hundred meters at ultra-high speed. If possible, the magic should be able to move at a speed close to the speed of sound. Incidentally, the speed of sound is about 340 meters per second.

　At 100 meters, it would move in 0.3 seconds. It would take about 0.3 seconds to travel 100 meters. It would be like a life magic version of instantaneous movement, like the hermetic shrinking of the earth, which I have heard about.

"Improved 'catapulting'? It wouldn't be enough to simply increase speed and travel distance."

Now you are going to improve the catapult?"

I heard that the evil god Chitkaa is effective with a sword of light, so perhaps we will have to fight him with the light sword Clau Solas. I'm thinking of preparing for that occasion."

If you want to increase the speed, I think you need to use the characteristics of "vector acceleration" and "shock absorption.

　 is simply needed to increase the speed of movement, while is needed to protect the user from sudden acceleration, he says.

　The new "catapult" will not be coasting when the magic is released, but will stop right there.

　＜The absorbing force field generated by the property also absorbs shock and inertia forces applied from the outside. Therefore, there is no more inertial flight.

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　The problem is that it would be difficult to move instantaneously while forming the photon blade, the true sword body of the light sword Clau Solas.

　In order to move it, it would have to be wrapped in a D-particle leaf, but we assume that a D-particle leaf that touches a photon blade would be broken up.

　In order to use the new "catapult" to jump into the bosom of the evil god and attack with the light sword Clau Solas, a large amount of magical power must be instantly poured into the sword to form a photon blade to slash at it.

"So you're saying I need to train myself to form a photon blade in an instant."

Good luck."

　I let out an involuntary sigh, thinking that I had more work to do.

　I started up the wise man system and began to develop new magic based on "Catapult". First, the characteristics of and were given. Then, to increase the speed to 300 meters per second, we calculated how many D-particles would be needed.

　We considered whether to allow multiple launches, but figured that if the initial speed was 300 meters per second, there was no need to increase it to higher speeds.

'Instead of limiting the distance traveled to a hundred meters, they should be able to stop within a hundred meters, as long as it is within a hundred meters.'

　I nodded, thinking, 'I guess so. Then, I made it possible to draw not only straight trajectories but also curved trajectories to move around. However, complex curves are difficult, so only simple curves are used.

　The way to use it would be like specifying an arrival point within a hundred meters and a trajectory along the way to activate it. I went to the fourth level of the Narukami dungeon, thinking I would try it in the desert area.

　At first, try reducing the speed of movement to eight meters per second. I activated the new "catapult," specifying that I would move in a straight line trajectory with the arrival position in the air one hundred meters away. The moment my body was enveloped by a leaf-like D-particle, the movement started. It takes about twelve seconds to arrive and my body is released.

　I knew when to release and landed on the sand with plenty of time to spare. I felt no acceleration at all. ＜It seems that the feature is working.

　This time, he returned the speed of movement to three hundred meters per second and launched a new "catapult" in the same way. The next moment, he was moving a hundred meters into the air.

　You don't feel any acceleration, and when you realize you're in the air. But then, suddenly, the fall starts. I landed on the ground using the airbag, but it felt dangerous.

　So we decide to form a foothold at the arrival position for five seconds. This will also serve as a foothold for the attacker. We named the scaffold the "end point plate. It is a plate of D-particles with a rough texture, but it is the best one to attack with the light sword Clau Solas.

　I named the new magic I had completed "Flash Move. I thought about calling it "teleport," but it seemed a little different, so I decided to combine the words "flash," which means "instant" or "instantaneous," and "move," which means "movement.

　The magic level to learn "Flash Move" is now "15. After using it several times, I think this will work not only with the light sword Clau Solas, but also with ordinary life magic.

　When I tell Metis about it, he says no.

'Probably not. Because the hairs that grow all over your body prevent magic.'

Oh, there you have it.

　Recall that the evil god's entire body was covered with hairs that could be flown. Any magic that came in contact with the hairs would be stripped of its magic power and become ineffective.

　Having completed the "Flash Move" for now, I headed to the Adventurers' Guild. When I asked to see the branch manager, he said he was waiting for me.

　When I entered the branch manager's office, the branch manager was taking something out of the safe. I looked at his face and he looked tired.

I've been waiting for you. I have a reward ready for you for helping me investigate the city of War Bear."

　The reward is a scroll of living magic.

　I received three scrolls from the branch manager and checked them. Two of them were ordinary life magic. Two of them were ordinary life magic, which I had already mastered. But the other one was a scroll of D-particle secondary mutation. I couldn't help but smile.

I certainly received it. But it is unfortunate that you went to the trouble of investigating this situation."

Once the evil god Chitkaa is vanquished, the inhabitants will return, and I'm counting on our Class A adventurers to take them down."

Right now we're in the tactical planning stage."

"Can't you teach others the magic of flying metal at supersonic speeds that you mentioned, Mr. Grimm?"

It's difficult because the level of magic you learn is so high."

　The branch manager looks disappointed. Then he looks as if he's just come up with something,

I'm sorry if that magic was Grimm's treasured magic. I was told by headquarters that I had to defeat the evil god even if I had to call in A-level adventurers from all over the world, so much so that I developed alopecia areata."

　Saying so, the branch manager showed me his splendid "ten-yen bald head. He said that headquarters has not given permission to seal off the thirteenth layer, and he is worried that foolish adventurers might challenge the evil gods. The reason headquarters is hesitant is that they do not want to restrict the freedom of adventurers.