[Broken mirrors and reflections are noticed but largely left unchecked as Castiel makes his way past to follow the sound of shattering glass. It's the source of these fragments that he wants to seek out--their calls and whispers ultimately ignored in favor of the knowledge of how they came to be.]
[He stops when he's gone far enough and where the damage seems to be at its highest. For a moment he waits before calling out.] ... Is anyone there?