The season of endings grows darker, as civilization fades into the long cold night. Essun—once Damaya, once Syenite, now avenger—has found shelter, but not her daughter. Instead, there is Alabaster Tenring, destroyer of the world, with a request. But if Essun does what he asks, it would seal the fate of the Stillness forever.

Far away, her daughter Nassun is growing in power—and her choices will break the world.