Crossover, xxxHolic/Harry Potter, Harry/any, what is the price of destiny Crossover, Buffy the Vampire Slayer/Yu-Gi-Oh!, Dawn Summers/Serenity Wheeler, a new slayer Crossover, Alex Rider/Teen Titans, Alex Rider/Tim Drake, unexpected situation Crossover, Alex Rider/Teen Titans, Alex Rider/any, honorary member Crossover, Bleach/Yu-Gi-Oh!, Dark Magician/Zangetsu, protect and serve Crossover, Buffy the Vampire Slayer/Harry Potter, Willow Rosenburg/Hermione Granger, any suffitiently advanced magic... Crossover, Buffy the Vampire Slayer/Harry Potter, Oz/Remus Lupin, taming the wolf Crossover, Harry Potter/Fullmetal Alchemist, Nicolas Flamel/Envy, on the creation of Philosopher's Stone