Sonorus – Harry Potter Lexicon

Makes the caster’s voice carry over long distances.

Reverse “Quietus”

References from the canon

Ludo Bagman used these spells to make his voice heard throughout the Quidditch World Cup stadium and over the stands of people watching the Triwizard Tournament (GF8, GF31)
Classified as a charm on Pottermore

Magic Type Charms Magical effect

Incantation Sonorus

Pronunciation "sonorus" L. loud

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Characters

Magic