Fred and George's Final Prank: Creating a Swamp

PAGES: 673-675

Fred and George Weasley create a massive swamp in one of the Hogwarts corridors as part of their final prank before leaving the school. They defy Umbridge, refuse to be punished, and summon their broomsticks, flying out of Hogwarts to open their joke shop. Before leaving, they advertise their products to the students and encourage Peeves to continue causing trouble.