“One that involved a ritualistic, periodic shifting of the Aetherstone’s magic, so that it concentrated on one world for a set period of time before shifting to the other. In every generation, a being known as a Vaelora was born within each world, and eventually, they were destined to meet and wield their powers together to turn the stone. Aequinoctium—or Equinox Day—it was called, when this turning took place.”
