A bomb larger than the rest combined hit the top of Old Dome. The five meters of resilient dome material held for no longer than a heartbeat against the blinding fury of the hellish onslaught. The upper city burst apart like a cheap lightbulb, the inhabitants jellied from the stark implosion. The steelloy girders of buildings were driven into the reinforced granite of the central mesa like tent pegs, splitting the rocky edifice to pieces.