For NWN mechanics, an "outsider" is a non-elemental creature that comes from another dimension, reality, or plane. In terms of the Layonaran Cosmology, most outsiders come from The Heavens or The Pits of Endless Strife.
Examples include:
- Evil Outsiders
- Demon
- Devil
- Fiend
- Hell Hound
- Imps
- Rakshasa
- Good Outsiders
- Archon (essentially angels by another name)
- Deva
- Neutral Outsiders
- Azer
- Formian
- Mephit
- Slaad
- Xorn