Protego Horribilis is a stronger version of the Shield Charm which protects a very large area against highly Dark Magic. It causes anything within the ranges of Dark Magic to rebound off the shield.

Known uses

• This spell was cast by Charms Master Filius Flitwick to protect the boundaries of Hogwarts Castle from the Death Eater forces in the late hours of 1 May, 1998, prior to the Battle of Hogwarts that started at midnight the next day.

Etymology

Latin Protego, "I protect", and Horribilis, "horrible , frightful, dreadful".

Behind the scenes

• In Harry Potter and the Deathly Hallows: Part 2, this spell is not used. However, the similarly named Protego Maxima is among the defences that are put up in the film.

Appearances

• Harry Potter and the Deathly Hallows