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

For a while, Apollo stood frozen with shock. If even Fuhrer described the 9 Kings as unimaginably strong, just how strong would he need to be to make an attempt at controlling them—a full-fledged Archdemon? A Noblesse? Or even a Daemos?

Under normal circumstances, Apollo wouldn't have such an unusual reaction, but after learning of the fact that these Kings used to house the Primal Source of the Sins, resulting in a substantial upgrade of the power bestowed by the First Monarch, Apollo couldn't help but wonder what realm of strength that pertained to.

Although Fuhrer had mentioned that the disappearance of the First Monarch resulted in a decline in the power of the Lost Council, could it truly affect the Kings as well? Compared to the others, whose strength came from their own actions, the strength gathered by the Primal Sources was fabled to be inexhaustible.

Firaria, Ashiraem's Sole City