Calamity Upon This World

Demon Core

Unlike the mana cores used by humans, which are usually made many years after their birth and are mainly used for gaining and using mana,.

A demon core is part of their natural anatomy and has been present inside them since birth.

It's the most important body part of their body, as not only does it let them use miasma, but it also makes them immortal for as long as their core is safe.

This was the reason Kaust could come back to life even after William had decapitated him.

This also means that unless a demon is killed or starves, they can't die since demons don't age.

Another thing about a demon core was that a demon couldn't destroy his own core; usually, this would not be relevant as no demon would ever willingly try to end their own life.

However, this also means that Kaust was no longer in control of his own life and that his fate was completely in the hands of the being inhibiting Williams body.

**

A sense of dread overwhelmed Kaust as he saw the white-haired boy slowly walk towards him.

'No, I need to do something, anything that would let me survive'

'No matter what happens, I must make sure to not fight that monster again'

Hoping for the best, he expanded his senses, covering the whole forest.

And it seems luck was still not completely against him, as he sensed the boy who was with William earlier hiding behind a tree a bit further away from here.

Back when the adventurer had first entered the warehouse, he had noticed this kid who was accompanying him.

He had considered taking him hostage in case the masked adventurer was too strong, but that wasn't necessary, and once his eyes became purple and he became possessed by some mysterious entity, he had completely forgotten about the little boy and was only focused on his own survival.

But now that he knew where he was and that the white-haired boy probably cared about the kid, he could use him to save his life.

[Miasma Blasts]

With a single command, multiple purple energy balls of various sizes made their way towards William, who didn't bother to dodge or retaliate and instead just formed a crimson barrier around himself.

Using this opportunity he created, Kaust used everything he had at his disposal to run towards the kid who was hiding behind a tree.

**

Once William suffered the backlash from his [mana ascension] and [spirit ascension] and was unable to use mana, the spell he had cast on Billy to restrict his senses and the sleep spell were undone, allowing him to wake back up.

When Billy had regained his senses, the thing he first noticed was a white-haired boy even younger than him getting beat up by some super scary-looking demon like the one he had seen in picture books.

Billy wanted to try and help the boy, but he was too helpless; his legs didn't even move even when he tried his best.

And deep inside, he knew that he'd get killed instantly if he stuck around,, so he did what any logical person would have done in the situation, and he ran away.

Once he felt he was far enough, he finally stopped and hid in a bush nearby as he waited for Edge Lord.

His whole life, Billy had always wanted an older brother, someone he could rely on.

And today, when the adventurer named Edge Lord saved him from his father and promised to help him.

For the first time, he felt like he had someone he could rely on—someone who was an older brother of his.

This trust was the reason why he led him to the warehouse his father had told him about, despite knowing all the risks.

It was because he had faith in his older brother, who promised to not let harm fall his way.

This trust was the only reason why he was still hiding and waiting for his older brother to come back to him with Maya, so he could apologise to the poor girl on behalf of his scumbag father.

After a few more minutes, someone showed up at his location.

'Big brother must finally be here' he thought as he almost got out of the bush he was hiding in.

But all it took was a single peak for him to realise that the one who had arrived at his location wasn't his big brother but rather the same evil demon who was beating up that poor white-haired kid earlier.

Ignoring his instinct, Billy made sure to not scream or make any kind of sound; sadly for him, Kaust was simply far too powerful for a non-awakened like him to be able to hide himself like this.

Seeing the boy he was looking for, Kaust wasted no time and rushed towards him, causing Billy to realise that his location was already compromised.

Realising this, Billy did the only sensible thing in this situation and tried to run away.

But it was useless, as in less than a second, Kaust caught up, and was about to knock the boy out.

However, before he could do that, from the boy's shadow emerged a wolf made of shadow that Kaust was all too familiar with and bit his hand, making him pull back.

After the first wolf, five more wolves emerged and bit Kaust, causing him to step back and make distance.

Even Billy was surprised when the wolves appeared out of nowhere; he wasn't sure where they came from, but after a bit of thinking, it was obvious that his older brother was looking out for him even without being physically there.

Now, with reassurance that his older brother had left behind something to protect him, he no longer felt afraid and was prepared to fight the demon head-on.

Sadly, at this time, Billy had no clue just how outclassed these shadow wolves of Williams were compared to the monstrosity he was trying to use them to fight against.

**

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