"I don't know the specifics of how it's done. All I know is that it looks like someone is being burned, atom by atom, until they simply... cease to be." He opens his hands in a shrug.

"I've been working with, and double-crossing, a group called the Time Variance Authority. Helping a..." He frowns, shakes his head. "Her name is Sylvie and they tried to kill her when she was a child so she wants to dismantle them, and I'm on her side at this point."