A boggart is a shapeshifting creature that feeds on fear and assumes the form of whatever is most feared by the person who encounters it. Which spell would you use to defeat these transformative beasts?

Answer Riddikulus

The greatest, and only, defense against a Boggart is humor. Riddikulus causes the Boggart to take the shape of that which is funny to the caster. In defense against the dark arts, Ron's Boggart turned into a spider, and when he used the Riddikulus spell, the spider started sliding around on roller skates.

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