These are realms distant from the Prime Plane, realms not connected to one another, but connected to realms outside the Prime Plane and thus, eventually, to the Prime Plane.

The Void: realm of negation

The Abyss: the primordial chaos, connected to Throttignaetha

Elysium: realm of fulfillment, connected to the SupernalRealm

Grey Lands: realm of corruption, connected to the Infernal Realm

Nether Realm and the Great Beyond: where the dead go... and beyond; connected to Terminus in the Interstice; the Gates of Mortality and Divinity open from Terminus into the Nether Realm.

Manaheart: realm of magic, connected to the Dream Realm