The plane and the arcane.
There are 3 types of magic that mortals can access, defined by their source: Alluvial, Divine, and Profane/Covenant.
There are 5 planes in this setting. No other planes exist (no Nine Hells, no Feywild, no Elemental planes, etc.)
Like a solar eclipse but instead with of the moon, with the petrified corpse of a god
