From "Supernatural: Two Minutes to Midnight (#5.21)"
How'd you get here?
I took a bus. Don't worry, I...
[Cass keels over coughing and gagging
Well, look at that. An occupied vessel, but powerless. Oh, that's fascinating. There's not a speck of an angel in you, is there?
[Cass slices off Pestilence's finger and takes his ring
Maybe just a speck.