From the designer: In the Motes of Eternity, the old world has been ploughed under, demigods and all. I've been mulling over this process - was it cataclysmic? Was it gradual? I find that fascinating, the idea that the mythic underworld was once the surface world. Perhaps it's the regional demigods, the ancestral hosts that protect pockets of the world being lost. Maybe the mountains are hollow, each one an ancient cyst. Either way, not all of the powers would accept their fate gracefully. Mulciber's Flute is an adventure set in hell - well, a specific kind of hell: a pocket nightmare, the sort of thing you might expect if a demigod went all Vlad the Impaler.