"Well, not all of 'em are fighting. Some of 'em were trying to lord over the survivin' humans for themselves. There were a bunch of uh... real heavy minded Lightbearers- that's what they're called, that decided to go an' make the Warlords stop. Not like there's a whole lotta humans left anyway an' what the hell chance is there against immortals, right? But yeah, all it's been is fightin'."

He explains briefly, but adds, knowingly cattily-

"good for the guns and armor business, though."