Sirius turned away and walked purposefully up the stairs and Hermione followed him until they reached the dark and cold door that lead to the master bedroom. He pushed it open, and lead her past the sleeping Buckbeak and into what she’d assumed was a closet. Only it wasn’t. It was a passage into a part of the house that must exist in wizarding space, the slight tingle of magic letting her know that the room they entered wasn’t there in the proper sense.