Raine stumbles as the railing vanishes, and laughs at himself, and only then looks around the actual room and realizes Enoch is gone. Or maybe lurking. Or maybe he'd been an illusion the entire time.

"I'll leave you alone," he excuses himself, suddenly struck by self-consciousness. He turns to leave, although he stops at the threshold to raise a hand in front of him, checking that the door is actually open before he exits.