We are talking about a cloak that really and truly renders the wearer completely invisible, and endures eternally, giving constant and impenetrable concealment, no matter what spells are cast at it. How many cloaks have you ever seen like that, Miss Granger?’ Hermione opened her mouth to answer, then closed it again, looking more confused than ever. She, Harry and Ron glanced at one another, and Harry knew that they were all thinking the same thing.
Uhhhhhhh..
