Remus Lupin's Resignation

Harry Potter and the Prisoner of Azkaban

Lupin's tenure as Defense Against the Dark Arts teacher, the revelation of his lycanthropy, and his subsequent resignation.

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Lupin's teaching successLupin's teaching success
The Best Teacher The Practical Lessons Lupin is an immediate success. He teaches practical defense, including Boggarts, Red Caps, and Grindylows. His class is engaging and effective. Students gain confidence in defending themselves. The Boggart Lesson In the first lesson, Lupin teaches the Riddikulus charm. He uses a Boggart that changes into each student's fear. Neville turns it into a version of Snape in his grandmother's clothes. The lesson is a triumph, and everyone leaves excited. The Respect Harry particularly respects Lupin. He teaches him the Patronus Charm, understanding Harry's trauma. Lupin becomes a mentor figure, second only to Dumbledore. The students are sorry when he is ill.
Snape reveals Lupin's lycanthropySnape reveals Lupin's lycanthropy
The Exposure Snape's Revenge Snape, furious at being humiliated, tells the entire Slytherin house that Lupin is a werewolf. The news spreads quickly. Parents are horrified, and the school governors are pressured to act. The Aftermath Lupin receives a letter of resignation. He knows he cannot stay; the prejudice against werewolves is too strong. He packs his belongings and prepares to leave. Harry visits him, begging him to stay, but Lupin explains that he cannot risk another incident. The Farewell Lupin gives Harry back the Marauder's Map and the Invisibility Cloak. He says he is proud of Harry's progress. The two share a moment of mutual respect. Lupin leaves, but not before Dumbledore bids him a sober farewell.
September to December
Morning after the Shrieking Shack