During the battle in the Department of Mysteries things go very wrong. An errant spell changes things far more than anyone could've imagined. Despite the title, this is NOT a Dr. Who crossover fic.
Harry Potter - Rated: M - English - Drama/Romance - Chapters: 12 - Words: 76,367 - Reviews: 112 - Favs: 444 - Follows: 201 - Published: 2/28 - [Harry P., Hermione G.] Neville L., Fleamont P. - Complete