|Nicknames||The Dark Mirror|
|Gloom||The Shadowfell mutes light sources, reducing the radius illuminated by 50 percent. Magical light sources are unaffected.|
|Shadow Races||Shadar-kai, Shades|
The Shadowfell is a parallel dimension to Istria. It is notable for its darkness which mutes all nonmagical light sources, as well as being the dominion of The Raven Queen. Shadar-kai are native to the Shadowfell.