"You're not," he says, laying his hands on Sam's shoulders, partly to steady them both, partly as a reassurance. "You're not, not really, it's just very good at hiding. And good at staying calm. It's called Vetis. The tempter of the holy. If you make it angry, it'll be easier for you to banish and it-"

Marcus pauses, feeling strange and dizzy inside Dan's body, worry and panic still clawing at his chest. But panic feels different on Dan and he takes a few deep breaths to calm this body he's in.

"It isn't like it was with Betty," he says, looking at Sam. "Which is, quite honestly, a bit of a relief. Make it angry, Sam. You know its name now, just make it angry and then come at it with every last bit of the rites of exorcism. The traditional will work on it, I know it will."