She had used that word on purpose. Sometimes when you threw out a weird word you got an honest reaction. He didn't just stare at her like she'd grown a third eye so that was promising.
However... "Resurrection?" Her brows lifted for that. That was serious black magic. Necromancy. HUGE no-no. "Why do you want to mess around with that? That way lies the dark side."
Maybe Harry had been wrong. Maybe Dean wasn't on the level. Bringing people back from the dead was just...wrong on so many levels. She'd had talks about it with the Leanansidhe after Harry had died. It was possibly one of the scariest conversations she's ever had.