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
Magical objects in Harry Potter Magical objects in Harry Potter The following is a list of magical objects used in the "Harry Potter" series. In "Harry Potter and the Order of the Phoenix", Hermione Granger creates fake, enchanted Galleons that are used for communication between members of Dumbledore's Army. Like real Galleons, the coins have numerals around the edge. On normal Galleons these serial numbers signify the goblin who cast the coin; on the enchanted Galleons, the numbers represent the time and date of the next D.A. meeting, and automatically change to match whatever numbers Harry Potter sets on his coin. Due to the coins