The Unbreakable Charm is a charm which makes an object unbreakable.
Known uses
It was used by Hermione Granger in 1995 to make a jar unbreakable, in which she placed Rita Skeeter, who was in her Animagus form at the time, to prevent her from transforming back into her human form.
Appearances
- Harry Potter and the Goblet of Fire (First appearance)