One Heart, Four Wars

Five shadows. One girl.
They thought she was just another piece in the game.
They were wrong.

Buried magic runs through her veins-magic older than Hogwarts, older than the war. As the boys by her side fall deeper into their own darkness, she rises, unclaimed and unstoppable.
She was the prophecy they feared.
She was the secret they buried.
She is the fifth shadow-and she's done being quiet.
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This is a 'why choose' book, polyamorous romance...starts off with Draco, (a history kinda thing you'll understand when reading) but is about Mattheo, Theodore, Lorenzo, and Regulus. This is in no way following the original storyline, so some characters are from different timelines, made up completely or twisted to fit this timeline. This book will have dark content and some smut, i'll put TW: with (self harm, abuse, etc) before chapters in () like above^ so you can skip it if you wish.