Hermione Granger is crucial to Harry and Ron in their successful mission to solve the mystery of the Chamber of Secrets. Hermione is revived after Harry kills the basilisk, but she is distraught to learn that all end-of-year exams have been cancelled as a school treat. Hermione buys a cat named Crookshanks, who takes to chasing Ron's pet rat, Scabbers. Before the start of term, Professor McGonagall secretly gives Hermione a Time-Turner, a device which enables her to go back in time and handle her heavy class schedule, though this is not revealed until the penultimate chapter. Much tension comes into play
Religious debates over the Harry Potter series [It's not] the kind of real-life witchcraft the Bible condemns." Austin Cline notes that, "The Harry Potter books simply aren't about Wicca as it is currently practiced. J.K. Rowling researched Wiccan practices and incorporated a few elements in order to give her books a bit more of an air of reality, but she and Wicca are drawing upon the same corpus of ancient traditions and stories so similarities are inevitable. They certainly aren't a sign that the books work to "indoctrinate" people into Wicca as a religion." In his book, John Granger makes a critical distinction between what he calls