"You don't know." There's a hierarchy amongst the Leviathan, Cas remembers from his vague, piecemeal memories of them inside of him. He had a monster from the lower rung, here. Perfect.

"I guess that's...what's it called? Above your paygrade?" Cas looks up at the thing wearing Dean's face and fights revulsion at the knowledge that he'd been lusting after it. "But it's true. And I bet you suspected it from the start."