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 spirit; he contrasts occult "invocational" magic (calling up spirit beings to do your bidding) with literature's common "incantational" magic (saying a set phrase to use power from an unspecified source). Indeed, says Granger, the themes of love triumphing over death and choosing what is right instead of what is easy are very compatible with Christianity. In 2000, the Dean of Canterbury Cathedral refused to allow his church to be filmed as part of Hogwarts in the "Harry Potter" film series, saying that it was unfitting for a Christian church to be used to promote pagan imagery. Gloucester Cathedral agreed to