Crimson Vow [F.W]

Cassiopeia Andromeda Black was born a secret. Raised a shadow. She's a Slytherin with blood on her name, Marlene McKinnon's daughter and Sirius Black's mistake-sharp-tongued, silver-eyed, and terrifyingly powerful. At Hogwarts, they call her cold. Cursed. Dangerous.

Fred Weasley just calls her a bitch.

They're opposites in every way-light and dark, fire and ice, chaos and control. He lives to make people laugh. She lives to keep them out. But when a spark catches between them, it doesn't burn out. It ignites.

What begins as a bitter rivalry turns into something reckless. Addictive. Forbidden. A war of words that slips into glances, bruised knuckles, and stolen moments behind closed doors. And neither of them are prepared for the slow, cruel ache of wanting someone you're supposed to hate.

As war creeps closer and the world begins to fracture, Cassiopeia discovers that her bloodline holds more than tragedy-it holds ancient, dangerous power. Power the Dark Lord would kill to control. Power that could bring back the dead... or destroy the living.

But when love becomes the battlefield and survival means sacrifice, the question remains:
How far will she go to protect the ones who broke her heart?

Because in the end, every vow comes with a cost.
And some love stories were never meant to have a happy ending.

!ALL CREDITS GO TO JK ROWLING I DO NOT OWN ANY CHARACTERS!