Lady of the Dead (The Bet revised)

Tom Riddle is immortal, but Hermione Granger is and has always been the Queen of the Underworld. His horcruxes violate all of her laws. Her death in 1998 awakens her destiny; she travels back to destroy Tom. Empowered and determined, Hermione grapples with the limits of mortality as she defends her title of Master of Death against the Dark Lord. Tom Riddle/Hermione Granger. Dark.