"Uh. Sunlight?" Luke hazards, trying to imagine not knowing. "The suns are so intense, that's the easiest way to get power. You don't really need anything else, unless like it's night and your batteries are bad."

He looks up, shades his eyes. "Not like here. I bet you actually have to burn things, here. Wild."

His dæmon-dewback leans gently against Luke, not hard enough to disrupt his balance. Big shapes aren't that comfortable to her, not when flight and escape are so often on his mind.