Exo was a legendary planet that may or may not have existed. The philosopher Deamos Na-Coth believed in the existence of the planet, and founded a series of expeditions known as The Cabal to search beyond the Outer Rim Territories to find the planet.
Appearances[]
"The Masters of Exocron" — The Kathol Outback (Reprinted and collected in The DarkStryder Campaign, Deluxe) (Mentioned only)