Hermione also has had an unusual affinity towards using Dark Magic, and even argued with Hogwarts Faculty about the usefulness of using curses. "She liked proving how clever she was," said Marietta Edgecombe, "and used to argue for actually using Dark Magic in Umbridge's class." It is rumored that Hermione Granger is responsible for the permanent disfigurment curse on Marietta, who refuses to speak at all about what happened to her face.