Episode 18 Principal and Dungeon

　The next day, I went to the giant tree dungeon with the principal, Kiryuuin.

"Grimm, this time pretend you're a student and I'll escort you. Defeat all the monsters by yourself."

　I knew that there was no such troublesome student.

"See, a Frenzy Mouse has arrived."

　For a Frenzy Mouse, it was more efficient to activate 'Swing' rather than 'Cone Arrow', hit it with a Keisaku Plate, and then stab it with the hunting sword. This is because there is a risk of dodging 'Cone Arrow' if it is a small target.

　After hitting it with the Keisaku Plate, I proceeded onwards, and when a Blood-sucking Bat appeared, I dropped it on the ground with 'Roll' and then killed it.

　The principal, Kiryuuin had a surprised face at first, but now he is smiling.

"I see, if you use it like this, you can fight with life magic."

　Even when I went down to the second floor and started fighting Ripper Cat, the principal, Kiryuuin just followed me with a smile. Then we reached the third layer and he spoke up when we encountered a Blue Lizard.

"Isn't it difficult to defeat this Blue Lizard with a hunting sword?"

"No, I can beat it with my hunting sword."

　I approached the Blue Lizard and stabbed my hunting sword into the area where its heart was and jumped away.

　The principal, Kiryuuin tilted his head.

"What are you going to do?"

"I will do this. 'Push'."

　The hunting sword sinks into the body of the Blue Lizard. And with the second 'Push', the Blue Lizard died and disappeared.

"I see, it's interesting, but if you use your only weapon that way, it would be dangerous if you encounter multiple Blue Lizards."

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"That's why I learned a new life magic."

　When I encountered the next Blue Lizard, I used 'Cone Arrow' which was triple activated. The TripleArrow pierced the monster, and the Blue Lizard disappeared with that blow.

"What, isn't it 'Bullet'?"

"No. It's a life magic called 'Cone Arrow'."

"I've been studying magic for many years, but I've never heard of it .... Maybe you defeated the dungeon boss?"

　I nodded, wondering how he knew it.

"How did you know?"

"Anyone other than the Analytical Wizard often gets new magic by defeating powerful monsters such as dungeon bosses and getting scrolls."

　It seems that the scrolls contain not only the Sage System but also new magic circles.

"Really."

　The principal, Kiryuuin seems to have misunderstood that what I got was a scroll depicting the magic circle of 'Cone Arrow'. I dared not make any corrections. It's going to be a big fuss when it's known that I got the Sage System.

"But I often defeated the dungeon boss, and I thought you wouldn't be so reckless as to challenge the dungeon boss."

"I didn't even think of fighting the dungeon boss. I was attacked by a Labyrinth Wolf from behind and entered that room."

　The principal, Kiryuuin laughs bitterly.

"Is it lucky or bad? You just did what you had to in order to survive. By the way, will the new magic be registered with the Magic Agency?"

　The Magic Agency is a national institution that manages magic-related rights and conducts research on magic. If you register a new magic there, it will be protected like a copyright and the right will arise.

"Should I register it?"

"If you want to teach your students, you should register it. If someone else registers it first, Grimm will lose his rights."

"I understand."

"I'll help you. Now, I've confirmed your ability. Let's go back to the ground."

　I got permission to take my students to the giant tree dungeon.

　After that, with the help of the principal, I registered the magic circle of 'Cone Arrow' with the Magic Agency. Since this magic is life magic, high profits cannot be expected. It seems that it is not popular because many people exclude it from the selection just because it is life magic.

　However, since it is a magic that can attack monsters, a staff member of the Magic Agency said that it might be possible to earn about tens of thousands of yen a month.

　By the way, it seems that the attack wizard who registered the attack magic 'Bullet' made a profit of tens of billions of yen. 'Cone Arrow' is similar to 'Bullet', but the range is too short to gain popularity.

　However, it is the first purely attack magic registered in life magic. Some people may buy it reasonably well.

　I don't expect too much. I got permission from the principal to dive into the dungeon with Amane and Alisa and I made a plan on how to capture the giant tree dungeon.

　That Saturday, I dived into the dungeon with Amane and Alisa.

"Did you learn 'Cone Arrow'?"

　The two nodded with a smile.

"Just to be sure, but the magic level of life magic is '1' for both of you, right?"

"Yes." "Unfortunately."

　They're in the first grade, so I wonder if that's the case. When I asked them what magic they had learned in life magic, they seemed to have four things: 'Light', 'Push', 'Roll', and 'Cone Arrow'.

　Alisa is said to have learned two things, 'Roll' and 'Cone Arrow', in a short period of time.

"Grimm-Sensei, how many layers can we go with that magic?"

"I think you can go to the final layer. First, get the magic level to '2' on the first layer."

　I let them kill a Frenzy Mouse and a Blood-sucking Bat from the back. It was effective for the Frenzy Mouse to stop it from moving with 'Push' and pierce it with 'Cone Arrow'. Once you know that, it was simple, the two began to shoot D-particle cones to clean up the monsters.

　After defeating twelve monsters, Amane's magic level increased. Immediately after that, Alisa's magic level also went up.

"Congratulations. Now you can try multiple activations."

　The two who succeeded in double activation were able to kill the second layer Ripper Cat without any problems. Then, the two who went down to the third layer fought against a Blue Lizard.

　The defense power of the Blue Lizard is high, and the DoubleArrow blow, which is the double activation of 'Cone Arrow', was not fatal and it was finally killed after the second and third shots.

　Looking at Amane and Alisa, they seem to be exhausted. They are running out of magic.

"Let's end here today. We'll be back."

　Alisa begs while suffering.

"Please give me a little more. I think I'll reach magic level 3 soon."

"You don't have to rush. Tomorrow you should take a rest liesurely, I'll see you next week."

　Alisa looked a little dissatisfied, but soon smiled and nodded. Perhaps she felt that she had grown a lot in one day today.

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