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Muggles' Guide to Harry Potter/Magic/Muffliato
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Muffliato Spell Protects private discussions Harry Potter and the Half-Blood Prince
Overview
Muffliato is a spell that "fills the ears with an unidentifiable buzzing sound."
Analysis
Muffliato was one of the spells Harry found in the Half Blood Prince's copy of the Advanced Potion Making textbook.
Questions
Greater Picture