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"A large, butterfly-like creature that emerges from a small object, possibly a cocoon."
—Description of a Swooping Evil[src]
The Swooping Evil is a blue-and-green winged magical creature.[2] It looks like a cross between a reptile and an extremely large butterfly. When it is not flying with its spiked wings, the Swooping Evil shrinks into a green spiny cocoon.[3]

It can be quite dangerous, as it feeds on people's brains — it is an encephalophage —, but this is also demonstrated on its ability to deflect at least some spells by flying into their path.

It secretes venom that, when properly diluted, can be used to erase bad memories.[3]


Swooping Evil

Swooping Evil attempting to feed on a MACUSA auror's brain.

Newt Scamander brought one to New York in his suitcase in 1926, using it to escape from MACUSA with Tina Goldstein and shield them from Aurors that attacked them. It also was used to wrap restraints around Gellert Grindelwald, while he was in the form of Percival Graves.[2]



What Is A Swooping Evil?00:24

What Is A Swooping Evil?

Notes and references