Fire ate inward from the walls like a stalking cat, pausing at puddles of moisture before edging around, seeking the next target to destroy. It sounded almost like one, here and there; heated air escaping from enclosed spaces with angry hisses, kindling bursting alight with little purring crackles. The lightbulb at the center of the room looked dim, now, before the flames finally reached and shorted the circuit and it fizzled out, leaving everything lit from below in waves of heat.

He didn't hear Obito, at first, gaze snagged on the small body about to be swallowed by flames next, feet frozen.