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Subject A: Remus Lupin
a werewolf involuntarily transforms into one
during a full moon, and once he does, he no
longer knows who he is.
THIS IS A WEREWOLF.
Subject B: Jacob Black
an animagus can transform into a certain
animal at will, and still would fully know who
he is and what he is doing.
THIS IS MERELY AN ANIMAGUS.
. . . u n d e r s t a n d ?