Unsold Slaves Returned as Heroes

30. Slave rediscovered

“Black magic. It’s different from magic in terms of driving principle. Normal mana is inefficient and needs to be converted to black, and it also requires additional health. It even has very few uses. Compared to magic that can be used for various purposes, isn’t it only about destruction and exploitation? If it’s a unique feature of black magic, well, at most it’s demon summoning.”

Bext opened his 300 eyes and glared at me like he was going to kill me.

“It’s not called magic for nothing, it’s called magic. It would have been nice to learn why archmages don’t use black magic at the academy.”

“No, no. That part is cool It’s magic that can only be used at the cost of one’s life!”

“It’s magic.”

Bext put his hand on his forehead as if he was dizzy. He bit his lip and bled.

“It’s okay, it’s okay. There is still a next step. Phew, I’m glad you prepared.”

Bext pulled out a dagger. Without a chance to use his hand, he inserts it into his heart. Black contaminated mana erupts instead of blood.

And.

― Oh oh oh oh

A strange sound came from far away.

“Ummm, a feature unique to black magic. Demon summon. That’s right, this is it. Doesn’t that look a bit grand?”

Bext’s body rises into the air. A huge black pillar formed around it.

At the same time, there was an explosion outside the walls of the academy. Huge, overly gigantic shapes can be seen here as well. They are demons of the void. It’s also very high class.

The demons move. Not one or two At least six, no eight. Destruction and chaos engulf the space. The audience screamed and began to evacuate in confusion.

“Hmm.”

This is a bit strange.

No matter how talented Baxt is, there is no 3-star job, and the level he reached as a wizard is still 3-tier.

He’s a genius for his age, but even if he offered his heart, he might not be able to summon a devil like him.

“Ah, I’m watching. Everyone sees me! Now you know this is black magic It’s the best magic that gets stronger as you get stronger!”

We decided to analyze the cause later and run first. The current Bext is very dangerous. Xiehua and Marc in the arena, the two coffins of fire, and of course I was like the life of a fly.

“Ohhhhh!”

Bext floated into the air and was gradually swallowed up by black mana. First, I ran with Xiehua and Mark on my side.

“Professor!”

“Shifu?!”

Runs avoiding the floor where black mana is eating away. Reach the outskirts of the arena. I reached the west gate and put the kids in.

“Look! What the hell is going on!”

Band, still not understanding the situation, shouted. Sincerity? Do you know how to explain it?

“I will bring the priest, so rescue the apprentice knight.”

“Why is Bext….”

“Now!”

It was only then that I hit the back of the head with all my might, and then Band ran out to the arena following me, gnashing his teeth.

Bext shoots black flames at us as we run. Before he knew it, Band deflected it with his flails in both hands. It is a good choice since it is a weapon with high sanctity. He wasn’t an idiot at all.

Band takes the apprentice knight and escapes first. The priest was knocked out by Xuehua, so it takes a little longer.

At that time, Bext cast the next black magic. Prison of the soul. It is a barrier-type spell that divides the inside and outside. The idea was to lock us inside the arena.

“Professor Pedia!”

The band outside the door threw a chain at me and stretched it out. Judged Time is running out. I left only the priest student in my arms to the chain.

― Cheerureuk!

A chain that quickly wraps around the priest’s body. The prison of the soul rises and only the priest manages to escape through the door.

Only me and Bext, completely black, were left in the arena.

I was cut off from the outside world. You can only see this from the outside.

“Hmm, not the weapon master, but the slave trader? It’s tasteless. Still, resentment is a good motivator. Looking forward to it! How much will the demons destroy the academy’s impregnable castle?”

Bext stretches out his hand. A thin thread is attached to the tip of each finger, controlling the gigantic demons outside.

At that level, it would do quite a bit of damage to defend against even the Casus Academy.

There should be no disruption to the lectures in the future.

No, I hope no students get hurt before that.

I haven’t even been to my first class yet, but if I take a break, it’ll be hard to adapt in the future.

It was then.

― Kwaaang!!

With exciting explosions and hitting sounds, the giant demons began to fall.

“… Huh?”

Bext just watched the scene with a dumbfounded expression.

***

“To infiltrate a recommended student with at least a 6th tier black magician. It looked very shallow. Looked down on you.”

President Bert Mustang took out an artifact for emergency communication with a chilling smile.

“The president spreads the word to all guards. One griffon. Everyone, don’t let even one of the demons enter the walls!”

According to the order of the president, the academy guards are quickly deployed on the walls.

He calmly judged and calculated the situation even as he was frantically run over by people evacuating the main arena.

To the political direction that will not diminish the status of the academy while making as few victims as possible.

It is a role that exists for such times.

On the way, the president’s eyes landed on the top VIP seat, and he laughed dumbfounded.

“Ha ha, crazy b*tch.”

The emperor was still watching the black magicians and slave traders in the arena, stroking his hair, with the princess still on his lap.

***

“Wow, what is this all of a sudden? Where did you come from?!”

Called Tia, who hurriedly put on her wizard hat and raised her staff, casting a spell.

I fed fire magic in one shot, but the huge demon in front of me didn’t look like it would collapse right away.

In order to increase the output, build 16 more permanent auxiliary magic circles to open the exit of the mana tank and launch them in the direction of Hyunmu.

“These are the kids I saw in the Demon Realm. Can I hit you first? Bless you!”

Yuri breathed divine power into Luca and Tia. As the twinkling star fragments unite and stick to the two, beneficial blessings such as permanent recovery are applied.

Luka’s vision cleared, her eyes wide open and the muscle fibers in her thighs exploded.

The distance that the human reaction speed has not recognized has already moved 140 meters.

An aura dwells in a plain longsword with no decorations.

Only a genius with a talent for swordsmanship, or one who has devoted his life to training, can put mana into a sword and transform it into an aura.

Originally, a sword is a weapon that can only hit physical objects. There is a limit to opponents who do not have forms such as magic or evil spirits.

Aura is what makes you cross that wall. It is a divine instrument that turns a sword into a weapon that is more than a sword, and proof that it is a swordsman that is more than a swordsman.

Only those who have reached the ultimate level of swordsmanship have the right to wear the two letters

On their nameplates.

“Whoops.”

It shoots.

With the sword, Luca’s blue aura.

Now I’m a little more serious than usual.

―Shaaak!!

A gigantic demon with a height of nearly 50 meters is cut in two by a sword attack containing an aura of freezing.

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Sweep, sigh—

I killed the bear, but it wasn’t the end. Black, sticky curses pour out from the demon’s cutting edge.

“Dangerous!”

Yuri quickly jumped up with Suein’s unique fast reaction speed. Before she knew it, the rugged metal gauntlets mounted on both of her fists were entwined with bright divine power.

“Wide area purification!”

―Coooooung!!

As the glass hits the ground with all its might, the ground splits and cracks as if a major earthquake had occurred.

Light fills the gap and her divine power explodes. The curses that flowed out were lumped together and evaporated.

“Thank you, Yuri.”

“Nothing to say. Why are there so many demons in the academy?”

“Isn’t it dangerous inside too? Will the master be all right?”

“… Ugh.”

When the master’s name came out, both Luca and Yuri reacted violently. It was a momentum to jump into the castle wall at any moment.

The reason it didn’t happen right away was that there were still demons outside the walls. With their skills now, it wouldn’t take very long to deal with them.

But unless they are.

“Binary, fire!”

“Defense magic spreads more densely!!”

The three of them had already seen the academy guards fighting for their lives on top of the castle wall.

It was clear that lending their strength for a moment would be of great help.

If you don’t know what’s going on inside the academy, running to Wicker might not be of much use.

Of course, the hero’s duty has already ended. For the three people who had fought for the continent, there was no reason to fight for someone they didn’t know anymore.

But.

Will Wicker greet them if they turn away from what they can do in front of them and run away?

‘At least the master.’

Yuri remembers the taste of the bread he gave her for the first time.

‘When you can abandon us….’

Tia remembers the warmth she felt as he tended to her wounds.

‘I didn’t look away.’

Luca remembered the rough hand stroking her hair.

As if to settle the conflict between the three for the last time, lofty silver hair passed in front of them.

“What kind of 4th class demon are you talking about? Hey, you guys catch all of them! I’m going to slit the drinker’s throat inside!”

Aisha, who was covered in grass as if she had fallen over the tree for a long time, ran into the castle wall in an instant.

The three people who confirmed her finally felt relieved and each fixed her weapon.

“Everyone, let’s get ready. I’ll go from the demon on the right!”

“OK.”

“I’ll go back!”

The three of them moved their feet at the same time as if they were one body.

***

“mmm! I don’t get it. They are 4th class demons. How are you falling down in such a short time? What happened!”

Bext cracked his teeth as he grabbed his head. Then, with a quick turn, he turned his head and glared at me with fierce eyes.

“Have you cheated again? Slave trader.”

There was no sense at all, but I smiled lightly at him.

Get pissed off.

“Ugh, ugh!”

Bext throws a soul blast at me. Run once and dodge.

I wish I could defend myself with artifacts and treasures, but I don’t know if there are 5 classes, but there are no practical items.

That guy is also using black magic to cut down on his life and soul, so if you give him a little damage, he’ll collapse right away, but he only has a wooden sword in his hand.

“Skill.”

I opened the status window to see if there was any way to break through.

A message popped up.

―――――――――――――――

The slave has been rediscovered.

You can use [Slavery].

Current use count: 1

Do you want to browse available skills?

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What are you talking about?