Harry Potter and the Prisoner of Azkaban

Description

Spell. But the fate of Harry and the entire wizarding community looks very bleak when the infamous Sirius Black, who killed 13 muggles with one spell at once, and is a big fan of the dark wizard Lord Voldemort, escapes from Azkaban prison. The guards reported that Black had been muttering in his sleep lately, "He's at Hogwarts… He's at Hogwarts." Now, even within the walls of his magical school, Harry cannot feel safe, because everyone understands that a convicted murderer is headed there...