Hermione Granger completing Snape's homework assignment from the class, while Crookshanks proves vital in exposing Scabbers as Peter Pettigrew, a friend of James and Lily Potter who revealed their whereabouts to Lord Voldemort the night of their murders, and was able to wrongly implicate Sirius Black (revealed to be Harry's godfather) in the Potters' deaths. The Time-Turner enables Hermione and Harry to rescue Sirius and the hippogriff Buckbeak. Hermione is horrified by the cruelty that house-elves suffer, and establishes S.P.E.W., the Society for the Promotion of Elfish Welfare, as an effort to gain basic rights for them. She is Bulgarian Quidditch prodigy
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