His brothers fought evil of some kind, even back home. It's kind of sad that they have to fight at all.

"...the only fighting we ever did here was sparring against each other. We didn't really know about the Empire, only that we shouldn't go to the city. That'd be Elysium. ...but of course we did, because we were curious and that's where father would go and come back with interesting things."

Donnie sighs. Simpler times. He longs for them, but he also wonders just how long they could have kept ignorant about the Empire and its ways.

Raph gets his attention again quickly enough. The news of anything threatening to tear apart their family cuts to the core, his expression crumpling.

"I-I'm sorry," he can't help but say, gaze dropping back towards the dirt. "I should've tried harder... But I was so scared...."