Sam's mouth set in a grim line. "Actually, Dean, I think it can be. I got flashes and..." He shook his head. "The Ohm we call Leviathans are psychic, did you know that? And we fought three or four of them. I know I was knocked out when they were killed.

"Ru..." He cut that thought off. Dean didn't know that she absolutely couldn't be trusted, but he didn't want to think about her. "The powers were dormant. I'm thinking something in the death throes may have knocked it loose again."