Sea Urchin Jinx

This spell transfigures the victim into a creature that looks sort of like a sea urchin. When the victim is hit with this spell, his or her body will become covered in spikes. Then, their body's size will be reduced; therefore the victim is transformed into a sea urchin.

Known Uses

 * This spell was used in 1998, the Battle of Hogwarts, by Percy Weasley on an Imperiused Pius Thicknesse. This happened right before his brother Fred died of an explosion.

Known Practitioners

 * Percy Weasley

Known Victims

 * Pius Thicknesse

Behind the Scenes

 * The duel between Percy and Pius is not shown in the film adaption, therefore this spell is not seen either.
 * According to J.K. Rowling, this spell is a jinx, but given its properties, it can be said that it is also transfiguration. Also, in the book, this spell transfigures Thicknesse into a creature that looks like a sea urchin.