When the thirst trap is too real. Or Harry accidentally does a lot of things including selling his soul.

"Luka knew what she was. The way she slinked up the path, deliberate and not faltering when others did before. Her skin was purple and flushed, with black veins protruding. It shed light on what she truly was. One of them: the fae." Or the AU in which Miku is of the fae and Luka is a witch who keeps her people caged. One-sided Miku/Luka.

In which Tom Riddle finally notices Harry's love. Slash. Dark!Harry. Lighter!Tom.

When found, magical girls or "mutants" are executed and strung up for all of the Brotherhood to see. Homura attempts to find others of her kind even when everyone is out to get her. It seems like a lost cause until Madoka comes into her life. Dystopian AU.

Sometimes the only way to wash away death and chaos is to douse it with an equal amount of blood. Or an Allydia AU in which they're all some sort of demon and the world they live in is as turbulent as their fates.