"It was like watching a speeded-up film of a growing tree. A head was shooting upwards from the ground; limbs were sprouting; next moment, a man was standing where Scabbers had been, cringing and wringing his hands"
—Description of the spell[src]

The Animagus reversal spell is an untransfiguration that returns an Animagus back into its human form. It manifests as a bright blue light and may need to be performed by more than one wizard. If performed on a non-animagus, the spell will have no effect and will not harm the animal.[1]


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Black forcing Pettigrew to return to his human form

This spell was used in the spring of 1994 by Sirius Black and Remus Lupin to reveal Ronald Weasley's pet rat Scabbers as Peter Pettigrew.

Behind the scenes

  • This spell may be the Homorphus Charm.
  • In the film adaptation, the spell doesn't manifest a bright blue light, and was performed on Pettigrew while he was rushing through a hole in the wall.


Notes and references

  1. Harry Potter and the Prisoner of Azkaban, Chapter 19 (The Servant of Lord Voldemort)
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