Jaamdath

Jhaamdath is the only psiocracy (government by psionicists) ever on Toril. This ancestor of present-day Chondath was founded circa &minus;5800 DR and destroyed in &minus;255 DR by elven high mages of Nikerymath. A major city was Naarkolyth, where elans awakened (source).

Official Material

 * Lost Empires of Faerûn

Specific prestige classes

 * Monastic Servant of Auppenser (maybe not canon)