Neville Longbottom Defies Lord Voldemort
Pages 730-732
Lord Voldemort offers Neville Longbottom the chance to join the Death Eaters due to his pureblood heritage. Neville refuses, shouting “Dumbledore's Army!” in defiance. In response, Lord Voldemort puts the Sorting Hat on Neville's head and sets it on fire, intending to make an example of him.
