The Void refers to the universe outside Akrylonor. The only continous known method of access to the Void is via Gate Planes. Largely of unknown nature, depth, or denziens, its only known influence is as the speculated origin of the Dark Source.
The primary characteristic of The Void is its amplifying or possibly providing additional form of Ether to Akrylonor's own. This has resulted in empowering many of Akrylonor's godlike entities when they crossed into the Void, or to a lesser degree, Gate Planes.