Chapter Index

    ‘… Come to your senses.’

    As soon as I went up to the podium, many eyes poured in.

    Deltan braced himself for that.

    Of course it’s embarrassing.

    Sudden skinship, words that I don’t know if they’re provocation or temptation, and emotions that come to mind right now.

    However, Deltan was not a person so soft that he was swayed by such things and made mistakes in his duties.

    Deltan raised his head.

    And he continued speaking with a confidence that bordered on arrogance.

    “2 hours. Since we have a limited time, I will cut down on the nonsense and get right into the lecture. Today’s lecture is about ‘combat magic to deal with demons.’”

    There was a small commotion.

    One, that was the end.

    When you think of Delta Hebron, one of the nicknames that comes to mind is the first demon hunter.

    This is because the lecture is within the expected range.

    “Let’s start briefly with history. The continent’s magic was thoroughly developed to deal with humans and other species.”

    Deltan snapped his fingers.

    Then, light shot out from the projector, and the magic systems that had dominated the continent until now came to mind, one by one.

    The ceremonial altar at the top of the altar was enlarged.

    “Original magic, which is primal magic. This is similar to modern-day witchcraft. It is a remnant of a time when the concept of magic was not even established. Unstable and inefficient.”

    Just-

    I flicked my finger one more time and the screen flipped.

    The image of a ring surrounding the heart came to mind.

    “Next, circle magic. From now on, it is a systemized magic. It is a method of using magic by engraving a spell around the heart, where a creature’s mana is stored. It has become much more efficient. But it’s still unstable.”

    After that, the screen flipped several more times.

    A magic craft that stores mana in a tool to compensate for the instability of circle magic.

    Contract magic that uses the natural world itself as a tool to compensate for the fact that you are defenseless without tools.

    And the magic of the modern era, hierarchical magic, came out only after going through all of that process.

    “Hierarchical magic is the most efficient and stable. The hierarchy of dimensions itself was used as a tool to remove the burden on the body. What you need is mana, which any living creature naturally has. With it, you will be able to perform miracles corresponding to each dimensional phase.”

    Again.

    Deltan took a step.

    Then the expressions of those present became serious.

    This is something everyone knew by now.

    Since the content from now on is about Deltans’ newly established ‘anti-demonic magic’, the level of concentration naturally increased.

    “Great Demon magic is basically the same as hierarchical magic. There is one difference.”

    Woe!

    Mana bloomed from Deltan’s fingertips.

    It was in the shape of a blue, round sphere.

    “Operation.”

    Mana took on a different shape.

    It unraveled long into the shape of a thread, and the thread was completed in the shape of a letter connected in cursive.

    It was a mathematical equation.

    “Anti-Demon magic requires mathematical operations. There are two reasons: the first is that, as the devil interferes with the human mind and emotions, a method of expression that does not waver in response to emotions is needed, and the second is to mass produce magicians by lowering the entry barrier to existing magic that relies on talent. .”

    That was just three years ago.

    The devil was vicious and cunning.

    However, there were too few troops to deal with them.

    Even Delta people who know everything about the game find it difficult.

    Anti-demon magic was invented by the Deltans during those days.

    The reason was to increase the number of troops to fight against demons by making it possible to use magic if one had intellectual ability through calculation.

    It was actually an effective method.

    Although it is still a rare resource, the number of wizards has doubled compared to before.

    Since it is a method that does not break the existing framework, there was no great burden to learn something new.

    “Now, if I only tell you what I know, it might be a little boring. So now let’s go into the information you don’t know.”

    Someone picked up a pen.

    Someone else took out a projector.

    Deltan furrowed his brows and said.

    “Put in the projector. Lectures cannot be leaked to the outside world.”

    The magic tower wizard who had taken out the projector became sullen and put it in his arms.

    Deltan continued.

    “In the second row and third, turn off the vision sharing magic. 5th row, 7th, did you think you wouldn’t notice if you put a projector in your eyeball?”

    There are no ghosts like this.

    Someone made a tired face at the Deltan’s behavior, which was so thorough that it made one think so.

    The Deltans didn’t kick them out.

    This is because it is within the scope of what was already expected.

    “I roughly got it all. Anyway, let’s start again.”

    Just right.

    I snapped my fingers and the projector created a three-dimensional cube.

    Width, length and height.

    Mathematical expressions within the understanding of those using the three axes.

    And its shape was round.

    “You probably know geometry. Some people may already be using geometry-based magic.”

    Of course, as it is a world where people live, mathematics has also developed on this continent.

    However, it is still at a lower level than the modern times where the Deltans lived.

    That’s why it wasn’t dug up because that guy’s magic could do all sorts of things.

    The same is true now that mathematics has become necessary for magic.

    The third level, which requires cubic calculations, is high.

    To the point where the lord of each magic tower or the Marquis de Montbert, the imperial wizard, could barely reach it.

    So what I’m going to teach you today will be quite a groundbreaking concept for them.

    “What we will learn today is spherical geometry. It is a concept using curves, and a very helpful concept in the application of 3rd level magic… .”

    As I continued to speak, reactions arose from all over the place.

    They were the 3rd rank magic tower lords and the Marquis of Montbert.

    Deltan grinned.

    “And it is the core concept of ‘Saint Hall’ that currently surrounds the system. In other words, it is the basic operation of the 3rd level mental defense technique.”

    In other words, Riemannian geometry.

    Even on Earth, where math-crazed geeks abounded, it was a relatively recent concept that was only established in the 19th century, and it was a concept that also appeared in the famous theory of relativity.

    “I won’t explain it twice, so learn on your own.”

    someone said

    If a modern person were to go to a world where civilization was behind, he would be seen as a genius of his time.

    That was correct.

    And that gap was a characteristic that would be more clearly revealed if the person who actually fell into another world was close to a genius.

    ‘Did you say it was the theory of modern man’s genius? I can’t remember because I only saw it in passing.’

    Deltan laughed inwardly at the heated atmosphere of the lecture hall.

    ‘It’s fun.’

    Lectures, money, followers, all eaten raw.

    Even as a Delta person, these were things I was quite happy about.

    *

    The concept was too vast to pour out everything in a two-hour lecture, so it was a lecture that only pointed out the basic key points, and that alone left the lecture hall in shock.

    Most of the students who occupied half the lecture hall did not understand this concept, and the same was true for some of the wizards.

    There were also some who knew the value of this knowledge.

    There are a total of seven magic tower lords on the continent.

    As the Deltans say, they are ‘rainbow friends’, and they were restless with a boyish curiosity that did not match their aging faces.

    If this wasn’t a lecture hall, this is a face that would have followed me and asked questions.

    Deltan said after looking at them all.

    “The lecture is over. I would like to ask a question. I don’t have time, so just ten.”

    More than half of the auditorium raised their hands.

    And as the magic tower owners blinked at the same time, everyone except the Marquis de Montbert lowered their hands.

    Society of wizards.

    The place was more closed than expected, and the hierarchy was clear.

    Deltan didn’t bother to stop it.

    It was annoying and I didn’t feel the need.

    “Red Horse Tower, do it because you are the fastest.”

    “Ah, thank you! Then I will ask you a question. first… .”

    The Q&A began.

    As expected from humans, Mage Tower and Hammock each had questions that cut to the core, and Deltans answered them with sincerity.

    The sound of a pen moving over a notebook could be heard everywhere, and Deltain’s voice was heard above it.

    In front of the lecture hall door.

    Agnes quietly looked at that figure.

    I can see shoulders that don’t flinch even in the face of countless gazes.

    His arrogant eyes glowed gold, as if he was certain that they were all beneath him.

    ‘also… .’

    It was colorful and lively.

    For some reason, the belief that Delta Hebron seemed eternal and unchanging continued to strengthen.

    It was a confidence based on intuition, but Agnes could not escape it.

    I just wanted it like crazy.

    Agnes smiled.

    Thump, thump.

    However, there is no need to doubt because just looking at him or yearning for him makes my heart come alive.

    From then on, Agnes continued to wait, enjoying her own heartbeat, for quite some time until the questions were finished.

    *

    After the lecture, Deltan came out the door.

    Agnes was smiling at him.

    “Good job. It was cool.”

    “I was always cool.”

    The Deltan who said that approached her and said.

    “Eggplant.”

    “Yes.”

    As he walked along the long hallway, Deltan glanced at Agnes.

    For some reason, it was a face that seemed to be in a good mood.

    She usually smiled whenever she was with me, but even thinking about it, I felt that she stood out especially.

    Deltan was puzzled, but then shook off his thoughts and looked ahead.

    Agnes said.

    “Correct.”

    “What.”

    “Sang.”

    flinch-

    Deltan’s shoulders trembled.

    Agnes said in a playful voice.

    “What did you want to receive that you worked so hard for?”

    “… Don’t be a jerk. I worked hard because it was my job.”

    “So you don’t get the award?”

    “I don’t accept it.”

    “Really? Then I’ll ask again at night.”

    “I won’t accept it.”

    As Deltan answered nervously, Agnes’ laughter became a little deeper.

    It was at that moment that an extraordinary event occurred.

    “Count of Hebron!”

    At the end of the hallway, ‘Rainbow Friends’ appeared from nowhere and started running towards me with anxious faces.

    If you run like that with your old body, it won’t be good for your joints.

    While Deltan was thinking about such things, the merchants waiting outside the lecture hall, following the magic tower owners, began to raise their voices.

    “Count Hebron! Nice to meet you! That’s me!!!”

    “Eight! Get out of the way! That means getting out of the way!”

    A situation where a person is hit by another person and is washed over like a wave.

    Deltan was embarrassed.

    The actions that followed were without thought.

    Deltan stretched out his hand and hid Agnes behind him.

    He continued while holding her hand tightly.

    “Everyone turn off.”

    It was a grim face.

    Although the voice was not loud, the words were so clear and filled with anger that everyone present could hear them.

    The commotion stopped for a moment.

    Deltan spoke again.

    “Fuck off. There’s a patient here.”

    To the Deltans, Agnes was still a patient.

    You never know what might happen if people get into trouble like this.

    I winced.

    The merchants were the first to cower at the grim appearance.

    The magic tower owners also looked at each other with puzzled faces.

    They started scolding each other, saying, ‘Isn’t this because you screamed?’

    Deltan dragged Agnes and walked toward the exit.

    And he spoke to the merchants blocking the door.

    His face was even more wrinkled than before.

    “It’s the third time. Get out.”

    People separated and paths were created.

    Deltan snorted and walked out.

    Only after arriving in front of the sedan did I take a look at Agnes.

    “Hey, are you okay?”

    Agnes’ expression was blank.

    The face was very slightly red.

    Did he walk so fast that he felt like he had to be dragged out, which put a strain on his heart?

    With that thought in mind, Deltan placed his hand on her forehead.

    Startle-

    Agnes trembled slightly.

    He said, swatting away Deltan’s hand.

    “… It’s okay.”

    Agnes’ head dropped.

    So the expression was not visible.

    Agnes just repeated those words while touching her fallen hand.

    “… It’s okay.”

    It was a slightly awkward voice.

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