Most of the land mass has once again joined to form a gigantic supercontinent, leaving the rest of the globe to the mercy of a single ocean besieged perilous storms and dotted with islands. “Impossible” landscapes are a normal part of the topography. Islands of crystal ﬂoat in the sky. Inverted mountains rise above plains of broken glass. Abandoned structures the size of kingdoms stretch across great distances, so enormous that they affect the weather. Massive machines, some still active, churn and hum. But for what purpose?