This subrace left the forests of Yuirwood for an extraplanar realm known as Sildëyuir.

However, his mother had been reborn in a lower realm, known as the Realm of Hungry Ghosts.

And sometimes the term "virtual reality" refers to that ephemeral world itself, a limitless realm also known to the cognoscenti as cyberspace.

Our vessels can carry goods from any realm known to man, to any other realm.

Lucifer was exiled to an alternate realm known as the "Nameless Dimension."

The use of identity-disguising techniques, like electronic messages sent anonymously or under a pseudonym, is on the rise in the on-line realm known as cyberspace.

Dagon's realm, known as Shadowsea, is the 89th layer of the Abyss.

Interstellar travel involves a coordinated series of "skips" through a physical realm known as the Kohlmann stream.

Parallel to the realspace in which mortal creatures live is a realm known as The Warp.

The Shadow was in a hidden realm known to himself alone: his sanctum!