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
Hermione Granger Hermione "a prime example that information brings power", and the plot of the series, as her knowledge of the wizarding world is often used to "save the day". Dresang states that "Harry and Ron are more dependent on Hermione than she is on them." However, she also remarks that Hermione's "hysteria and crying happen far too often to be considered a believable part of the development of Hermione's character and are quite out of line with her core role in the book." UGO Networks listed Hermione as one of their best heroes of all time, saying, "Most of us can