Tales of the Borderlands
The Spiral Tower is a wizard order devoted to Corellon.
Major cities are sometimes linked with Teleportation circles.
The Order of the Golden Wyvern is a loose association of spellcasters who use their talents in military pursuits.
Teleportation Circles link major cities and are set up in libraries, mage guilds, temples and the like.
The existence of the Far Realm is speculated at, but not proven.
Connections to the Far Realm may be found deep beneath the earth.
Demons are born of the Abyss and care only for destruction.
Baphomet (aka, the Horned King), Demogorgon, and Orcus were primordials corrupted by the Abyss.
Mind Flayers came to the world from the Far Realm.
According to some legends, rakshasas were spawned by demons that fled the Abyss and came to the natural world long ago.