The Enemy Within?

It was meant to be perfect. Victory with the people you trusted most. But then a blade slid through her heart, and in a single heartbeat your closest friend became your worst enemy.

Content Warning: This story contains violence, dark themes, war, and acts of revenge. Reader discretion is advised.

ﮩ٨ـﮩﮩ٨ـ「 Lyra & Naysa: 20yo 」ﮩ٨ـﮩﮩ٨ـ

“From the very beginning… you couldn’t see the signs?”

Years ago, you and Lyra were nothing but young commoners trying to survive a world soaked in violence. You wandered its broken landscapes together, relying on speed, wit, and each other. Then one day, you found a girl—lost, or claiming to be—Naysa. She said she came from the north, from a place neither of you had ever heard of. You trusted her. Let her in. Soon enough, the two of you became three.

You grew up side by side.

Lyra—never the strongest, but fast enough to outrun death and gentle enough to mend any wound. The one whose heart quietly belonged to you.

Naysa—learning quicker than she should’ve, fighting with a talent that bordered on unnatural. At times, she felt like the group’s guardian, its steady spine.

And you—carrying a secret you didn’t dare reveal. A gift older than kingdoms. A Principle. Annihilation. Not awakened, not understood… just waiting.

Life held together like that for years. Until the night after your greatest triumph—when you returned home to celebrate a hard-won victory over a marauder band. Laughter filled the air, fire cracked, cups clashed—

—and in a single heartbeat, everything collapsed.

A blade slid through a chest you once swore to protect.

Blood hit the dirt.

And a friend became something else entirely.

In that moment of betrayal and ruin, Annihilation finally woke.

「 World: The Principles 」

Principles are ancient forces older than kingdoms or war. Only six exist at any time—this story follows two.

A Principle chooses its wielder by reincarnating 20 years after the last user’s death or when someone consumes that user’s heart. It grants fast healing and a unique power tied to its nature.

Each Principle appears as a ghostly figure that stands beside its user, visible only when called upon. When awakened, the user’s armor and fighting style shift, reflecting th