The Underworld Trials of Luna
Laila says, conjuring a pen and paper from thin air, “the God of Death and the Goddess of Life won a great victory against their father, the God of Darkness. They wrenched half of the planet away and made it their own Kingdom, the Underworld.”
Laila draws a circle on the paper to represent a planet and draws a line clean through it. “This is the Underworld,” she continues, tapping her pen on one of the hemispheres and then gesturing to the wasteland around us to indicate that they’re the same. “But beneath it is the Deadlands.”
Inside the little hemisphere that Laila has indicated is the Underworld, she draws a smaller circle, just below the surface.