[This is a question he was expecting, and it isn't like Crowley can blame anyone for their curiosity.]

You already know, don't you? [Aziraphale is clever, he was the one who figured out the prophecy in the first place. It was poetic in its own way, even he could respect that sort of thing, the irony in Heaven and Hell working together. The use of holy water, after what he'd done to Ligur.

Crowley takes a breath, fixing a wry smile in place.] Michael brought them holy water, poured a nice bath for me to hop into. You apparently asked for a rubber duck. I'd have loved to see the look on Beelzebub's face.