Harry Potter and the Prisoner of Azkaban attacked by a big black dog, which Harry has seen several times before. The dog drags Ron through a tunnel under the Whomping Willow into the Shrieking Shack. Harry and Hermione follow, and there is a brief standoff when they find Ron with Sirius Black, who has transformed from the dog. Lupin enters, and they explain the situation to Harry and his friends: Lupin is a werewolf, which led to his friends James Potter, Sirius Black, and Peter Pettigrew becoming animagi. Lupin explains that Scabbers is Pettigrew in his animal form; he has been hiding from Black, whom he had
Magical objects in Harry Potter revealed in an interview that the first working title for "Harry Potter and the Deathly Hallows" was "Harry Potter and the Elder Wand". The Resurrection Stone allows the holder to bring back deceased loved ones, in a semi-physical form, and communicate with them. The form of Sirius Black generated by the stone tells Harry that he and the other forms created by the stone are part of him and invisible to others. This seems to suggest that these apparitions are conjured from memories and are not really resurrected people. According to the fairy tale concerning the origin of the Deathly