They go back through the tunnel towards the castle, Black invites Harry to live with him, Lupin becomes a werewolf when the moon comes out and Black transforms to a dog to prevent him from attacking HRH, Pettigrew becomes a rat and escapes, Black goes after him and is confronted… Read MorePA21• Source
Harry awakens in hospital, desperately tries to tell Black’s side of the story but is not believed until Dumbledore arrives, who tells Hermione to use her Time-Turner (which she had been using to increase the amount of classes she could attend) to go back and change events to save Buckbeak… Read More
— "Expecto Patronum"
A Patronus is a silvery-white image of a creature created by using the Patronus Charm. Lupin describes a Patronus as “a kind of positive force, a projection of the very things that the dementor feeds upon — hope, happiness, the desire to survive — but it cannot feel… Read MorePerkins• Character
A “stooped, timid-looking old wizard with fluffy white hair” who works with Arthur Weasley at the Ministry (CS4). Perkins lent a couple of tents to Arthur for the Quidditch World Cup. Perkins doesn’t camp much any more because of his lumbago (GF7). Read MorePrefect's bathroom
Hogwarts castle and grounds • Rooms, chambers, and floors • Wizarding places
A very nice private bathroom reserved for Hogwarts prefects. Read More