The Wrong Way to Use Healing Magic

The former residence of the Demon King.

Nagi-san, who had cut down the demon soldiers with his sword in the castle, which is now sunken underground and is now called the ruins, called out to Hisago-san.

In front of his eyes, there were also a number of demon soldiers and a golem that looked just like the golem that absorbs light magic we fought, lying in pieces, but I did not see any injuries on Hisago's body.

He looks at the sword in his right hand as he gives a short reply.

It is the armor of a brave warrior, based on the wings of Lord Farga, and is a different sword from the small one that was thrust into the heart of the evil dragon.

As Hisago gazes at it without emotion, Nagi speaks to him.

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At her question, Mr. Hisago looks forward with a blank expression on his face.

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Nagi-san scratched her cheeks in embarrassment as she tilted her head at him, as if trying to squeeze some words out of him.

When he heard Nagi's words, his expression turned grim as if he was tormented by guilt.

Still, he unclenches his fist and pulls out a ball of light from his palm.

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He smiles at himself mockingly and continues to speak, staring at his palm.

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A ball of light was thrown and out of the void was an elaborately crafted sarcophagus.

Mr. Nagi looked at it as if it had been there for a long time, and his expression of incomprehension appeared on his face.

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The next moment, Nagi's chest was pierced by the sword that Hisago had thrust out.

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I didn't physically hurt him.

The blade was enveloped in light and sank into her chest without penetrating her back.

I have seen this light many times, the light of the seal of the strengthening of the lineage.

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Nagi's body is enveloped in light.

Her eyes gradually close as well.

Hisago takes her body in his arms, which is now as hard as stone, and places her in the sarcophagus.

Having completely sealed the sarcophagus with a lid made of stone, he picks up the soldier's sword that has fallen at his feet.

He continues on his way to the end of the dark corridor, his figure remaining forever alone.

"I did not see this memory, but I see what you mean.

The demon king let out an exhale of admiration as he fiddled with his magic.

"Well, I guess I'm not wrong."

The Demon King said such words to us who were at a loss for words because we could not understand the situation due to the sudden action of Mr. Hisago.

"Are you sure what you just said was not wrong?"

"Kannagi is a strong man, but he cannot follow Hisago's full strength in battle. He would have been slowed down in his fight with me, no doubt... and thus, there is no way that hissago can live a peaceful life after the battle."

"......Why?"

"On the contrary, do you think that a man of his strength and ambition would leave a man like him alone?"

"......"

The image of the king of Samaria and the sorcerer who had been seduced by the power of the heroes flashed through my mind.

They became like that because they saw the power of the brave man who was too strong for Mr. Hisago.

Mr. Hisago is not at all to blame, but it does not mean that there are not others like them.

"Power beyond comprehension can make a person's mind go mad. He must have known that very well. In fact, I heard that after he sealed me away, he disappeared without ever coming out into the open."

...... but why did Mr. Hisago seal Ms. Nagi?

The next time she wakes up will be a few hundred years from now --- in our time.

When I try to ask about it, the view in front of me changes.

It was a scene of Mr. Hisago facing the Demon King of the past.

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Mr. Hisago glares sharply at the Demon King, who is sitting on his throne as he is now.

The Demon Lord looks at the sword in his hand and furrows his brow in displeasure.

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The Demon King gives a dubious look to Mr. Hisago as he assures him.

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The Demon King and the hero return each other's swearing.

However, their exchange reminded me of a familiar relationship.

Perhaps they had engaged in battle many times before, except as I recall.

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<<< Now's the time. Once the fighting starts, there will be nothing more to do with each other.

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Hisago sighs in resignation and thrusts his sword at the mess.

He crosses his arms, and the Demon King starts talking to him.

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He did not raise an eyebrow when he heard of the downfall of Hagar's kingdom, which had summoned him.

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At the Demon King's question, Mr. Hisago falls silent for a while.

After a moment of silence, he slowly opened his mouth.

Hisago's words made the Demon King look doubtful.

He believes in the potential of human beings, but is he out of love for them?

I don't understand what he is talking about.

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The world he used to live in.

Perhaps it was a time when war was close at hand.

It must have been a fierce place compared to the time we lived in.

<<>

The Demon King of the past presses his mouth to hold back a smile.

As if to mock hisago's resolve, he opens his mouth with his shoulders shaking.

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...... Maybe you sealed only the soul of the evil dragon and did not destroy its body in order to test people living in the future?

To see if people living in that time period could stand hand in hand against the threat of the evil dragon......?

No, is there such a crazy story?

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<<<< You really are a man who lives in a way that makes no sense. You're so determined to avoid conflict. It would be better if we just cut off the humans. ......>>

The demon king looks fed up.

Then he smiled maliciously, as if he remembered something, and took something out with his magic.

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With these words, he pulled out a golden paper-like object.

It looked like a scroll, but what was it?

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"Huh?"

The Scroll to Return to the World?

The Kingdom of Hagar even prepared such a thing?

I look at the Demon Lord, but he just looks at me funny with my reaction.

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Mr. Hisago turns hostile toward the Demon Lord who flutters the scroll.

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<<< Really?　Just so you know, this is the real deal, okay? >>

The Witch King happily obliterates the Scrolls.

A Scroll to return to the world of the former.

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"Demon Lord, aren't you too bad-natured ......?"

"I'm the Demon King, remember?"

Even his follower, Ciel, is disgusted with him.

Rather, the Demon King before he was sealed seems to have a lot of emotions in front of Ms. Hisago.

And the sense of intimidation that I feel is stronger in the past, which definitely makes me feel that the current Demon Lord is weakened.

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The Demon Lord stands up from his throne, smiling happily as Mr. Hisago picks up the sword propped up on the floor.

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The battle begins.

The greatest battle ever fought between the Demon King and the heroes.

The Witch King deploys more than several hundred magic spells, and Mr. Hisago creates a sphere of light around himself.

Hisago-san takes in the spheres of light floating around him and lightly swings his sword in his hand toward the Demon King.

It was just a simple movement, but the blow was so fast that even I could not follow it with my eyes, and it easily smashed the ceiling and floor, becoming a slash that struck the Demon Lord.

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The Demon King, who has made the slash disappear by simply thrusting his palm forward, activates his sorcery.

Not just one.

He activates several magic spells at the same time, and they become a torrent of light that rushes toward Mr. Hisago all at once.

His magic, which is so massive that even the seal, which is a reinforcement of his lineage, cannot reach him in time, launches his body into the air and continues to strike after him.

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The attack was so strong that even the ceiling above his head was pierced, and he could no longer see Mr. Hisago.

We, who were watching the attack, could do nothing but be stunned by the hopeless power of the Demon Lord.

---The power of the Demon Lord in his prime.

As we were simply overwhelmed by his power, the magic that had been shot over our heads disappeared without warning.

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The demon king laughs as he looks up above him, where the night sky has already broken through the ceiling.

At the same time, the open night sky overhead is once again covered by something.

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What emerged was a mountain mass with an astonishingly large mass.

Rocks poured down as if heaven and earth themselves were inverted.

The Demon King looked up at them and tried to intercept them, manipulating a multitude of magic like a conductor.

At the moment when their powers collide once again, light fills the air around them.

The battle between the Demon King and the heroes---it was something far beyond our expectations, something that was truly in another dimension.

"---Wasn't it a good entertainment?"

Before we knew it, the scene in front of us had vanished, and all the illusions that the Demon King had created with his magic had vanished.

We who were sitting on the chairs were stunned for a while, not understanding the situation, but as soon as we came to our senses, we turned our attention to the Demon Lord.

"The foolishness of mankind in the past, the path taken by the brave man named Hisago, and the true meaning behind his actions. I have tried to keep it short, but I am sure you will understand it well.

"...... your horseshit also came through loud and clear."

"You already heard from Farga, didn't you?　I can't wield the power I showed you in the past.

But even so, it is clear that there is still a big gap between us.

The demon king in front of us was one of those who possessed extraordinary power just like Mr. Hisago.

"This was just a sideshow, but do you understand why we cannot trust the human race?"

"...... Yes."

"Then, are you ready to defeat me and destroy the demon tribe?"

I close my eyes and gather my thoughts for a while as the Demon King's words test me.

It is true that what the humans did to Mr. Hisago must have been terrible.

The same goes for the treatment of the beastmen.

It is not surprising that such a history would make the demon tribe not believe in humans.

Choice.

Don't narrow your possibilities.

That's what Rose told me when I set out on this journey.

I don't believe that I'm on the brink of destroying the demon tribe because of a choice I've made.

But, after seeing the memory of Mr. Hisago, the negative history of what humans have done and the battle with the Demon Lord's army in the past, something like a decision was floating in my mind.

"Defeating you and destroying the demon tribe are not the same thing."

"...... what?"

"I'm going to beat you up for everything you've done."

There is no stopping the words that have already been spewed out.

He takes a light breath and utters the words that will determine his future...,

"And I..."

"Yes!　Dooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo!"

The side door is suddenly opened with a tremendous force.

Standing tall with the light behind her was the girl who had been waiting for her.

"Hey, demon king!　Now that this lightning hero, Suzune, has come, you must give up!

The senior staff member pointed a finger at the demon king, who rolled his eyes, and Amako was behind him, holding her head in her hands.