The air around Westline was alive with static.

Every structure within a mile of the dome trembled as the pulse built—an electric heartbeat shaking the city’s bones. Hale and Gray ran through the perimeter access tunnel, the roar of disintegrating concrete and the hiss of overloading transformers echoing around them.

Above them, the translucent shell of the Echo dome buckled inward. Strips of light peeled off it like skin, streaming upward into the sky.

Gray stumbled as the floor rippled ...