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Untransfiguration is a type of counter-spell that is the exact opposite of Transfiguration i.e. it returns something to its proper form, reversing the effects of a transfiguration.

Reparifarge seems to be a general Untransfigurative spell used to counter the effects of a Transformation spell that was poorly performed and only partially Transfigured the object in question.[1]

An example of Untransfiguraton was given in Harry Potter's first Transfiguration class, in 1991, when Professor Minerva McGonagall Transfigured her desk into a pig, and the pig back to a desk. Also in 1993 when Remus Lupin and Sirius Black changed Peter Pettigrew from a rat back into his usual human appearance.

According to Professor Minerva McGonagall, Aurors have to Transfigure and Untransfigure frequently in their work.[2]

Behind the scenes

  • According to W.O.M.B.A.T., it may not be possible to Untransfigure a person or object without knowing what they were originally. However, in Harry Potter and the Goblet of Fire, when Draco Malfoy is turned into a ferret, Professor McGonagall Untransfigures him while only knowing that it was a student, not who it was specifically. This implies that either one does not need to know very specific details about what the object was before Transfiguration or that she guessed it was Malfoy due to his absence from his usual gang.

Appearances

Notes and references

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