Introduction[]
| “ | An Imperturbable Charm is used to create an invisible barrier around an object. | ” |
From the Story[]
Harry Potter and the Order of the Phoenix[]
Discovered in chapter 4, Number Twelve, Grimmauld Place[]
| “ | It is easy to tell whether an Imperturbable Charm has been used, by throwing things at the target involved. If an Imperturbable Charm has been cast, the items will soar away from the target. | ” |