It is everything and nothing, whilst simultaneously being everywhere and nowhere. The Plane of Planes; the World of Worlds; and the Realm of Realms.
The effects where the Essence has been tapped into, drained, or even depleted.
The aura and energy of life, which people can yield to cast spells; but with a price.
Hello! If you haven't noticed already, I am Heffé; Worldbuilder, Streamer and Moderator for WorldAnvil's Discord server. Currently I am working towards building The Hefflings; a world of many worlds, known as planes, which are scattered across the Cosmic Sea.