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
Potions in Harry Potter "Harry Potter and the Half-Blood Prince" when Ron Weasley mistakenly eats a box of Chocolate Cauldrons spiked with the intense love potion intended for Harry previously bought from Weasley's Wizard Wheezes. The potion's aroma is unique to each person who consumes it, as it smells like whatever attracts each individual, e.g. Hermione Granger says that she smells spearmint toothpaste, freshly cut grass and a piece of fresh parchment in the movies. In the books, she does not say spearmint toothpaste as the third aroma but instead blushes. (she smelled Ron's hair according to later clarification by the author). It can