Dean had his own reasons not to linger around the Vatican. He didn't want to think about that picture of Michael in that shrine inside, or the fact Castiel's here. All gung ho about dragging them back into that mess. Like he and Sam could really escape it. Not have to worry about being some angel's meatsuit, and killing each other as the world ends around them. So it was he scowled a little before he heard a familiar voice speaking in Latin. He only knew it mainly for exorcism purposes but some of it stood out. Still be more up Sam's alley.

He calmed his features, and painted a welcoming smile when he could make eye contact with her.

"Catching up on some 'ancient' reading huh?"