"Devil on your shoulder, convince you to do things you'd never imagine doing, and it rarely benefits them to keep you alive," Ishiah replies with a slow, steady nod. The demons that Dean's familiar with sound just about as bad, but it's just different, either way. He doesn't bring up what immediately comes to mind — the wracking guilt some get when they end up persuaded by the demons Ishiah knows. Because there's no trace. No indication that a veil has been thrown.

Just the aftermath, driving people mad.

"Enochian charms would certainly make it harder for me to sense you," Ishiah says then, quickly moving topics. "How does Castiel still manage to keep track?"