Defends an area
- "Raising her wand, she began to walk in a wide circle around Harry and Ron, murmuring incantations as she went. Harry saw little disturbances in the surrounding air: it was as if Hermione had cast a heat haze across their clearing."
Behind the scenes
- This spell is used several times in the Battle of Hogwarts in the eighth video game, by Harry, then Professor McGonagall, then Ron and Bellatrix.
- Harry Potter and the Deathly Hallows
- Harry Potter and the Deathly Hallows: Part 1
- Harry Potter and the Deathly Hallows: Part 1 (video game)