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Muggles' Guide to Harry Potter/Magic/Impervius

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Muggles' Guide to Harry Potter - Magic
Impervius
Type Spell
Features Waterproofing
First Appearance Harry Potter and the Prisoner of Azkaban

Overview

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Beginner warning: Details follow which you may not wish to read at your current level.

Impervius (spelled that way in the books) is a spell that is used to waterproof items. It seems to work by actually repelling water, rather than preventing penetration.

Analysis

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This spell is first used by Hermione to waterproof Harry's glasses in the Quidditch match against Hufflepuff in Harry Potter and the Prisoner of Azkaban; this match is played in a pounding downpour, with lightning and gale-force winds. Harry is unable to see the Snitch because the rain is streaking his glasses and distorting his vision, and this spell clears his glasses so he can see.

A relatively minor spell, it is used in several other Quidditch matches, but is not used elsewhere.

Questions

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Study questions are meant to be left for each student to answer; please don't answer them here.

  1. Being waterproof seems such a useful thing; why would this spell not be in much more general use?

Greater Picture

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Intermediate warning: Details follow which you may not wish to read at your current level.
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