The Friendship Serene hit the flaw in the Bottle. Colored static raced across Constantine’s monocle, and Goldreich-Tremaine disappeared. It was visible now only by its absence: a lozenge of dark fog in the white ice-rubble of the Ring. The dark fog was the Bottle itself: a magnetic tokamak field eight kilometers long, shielding the Shaper city-state within a fusion-powered web.