Syphiinz

Apollo Kaiser, a boy who bore the unlucky fate of being unable to grow strong, was condemned by his family. 

Discarded by his mother and abused by others, Apollo gives in to his rage.

However, this action results in his death. Many would believe it to be the end, but Apollo's death was a required catalyst.

The Demon Monarch System finds its heir and attaches to his soul, bringing him to a new world where he starts his journey to supremacy.

This difficult journey rife with conflict, conquest, and brutality shall serve as Apollo's temperance.

Watch as the heir of the Demon Monarch rises above all, conquers Sin, subjugates unthinkable enemies, and even brings about the destruction of worlds!

The rise of the next Demon Monarch begins...

Book Discord: https://discord.gg/vH3BWtDSnC
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The Demon Monarch System

〈System Alert: Your actions have awakened the prerequisite linked to your unique conditon. Prove your worth by fulfilling your chosen conduct of the demons.〉

Rather than continuing to inflict horrifying pain upon Slaid, Apollo glanced at the notification before him. Based on the information in the notice, this seemed linked to the reasoning behind his so-called unique state.

'A conduct of the demons?' Apollo muttered with a quizzical expression. This was the first time he heard of such a thing, so his knowledge on the subject was extremely lacking.

However, another piece of information soon followed.

〈System: Refer to your system warden for more information.〉

[Ah, so we've finally come across this matter. That means it's only a matter of time until you gain the complete right to become a true demon. You've come across your unique limit, Demonic Conduct. You just need to fulfill.]

A Unique Condition [Gore]