"Nobody's really sure," Fortuna said as she took a small black box from her coat - it was connected to the cord trailing up behind her hair - and pressed a couple buttons on it. She disconnected the cord from the box and from whatever it was connected to on her head and tucked both back into her coat.

"Far as I know, there was some kind of disaster a long time ago, trashed the energy levels in the place. So they're bringing people in to be living batteries."