Black ice ioun stone

Black ice ioun stones were enchanted gems that floated around a bearer's head, imbuing magics onto the owner.

Powers
These magic items were created when an ioun stone was exposed to the corrupting powers of black ice. When one of these ioun stones was activated, it granted the owner magically increased defense when the were hit by an opponent, additionally, it increased the speed of the wearer's allies.

History
Black ice ioun stones started appearing in the northern region of Icewind Dale circa 1485 DR, following the influx in production of items of black ice that originated in Kelvin's Cairn and led by Baerick Hammerstone who attempted to wrestle the leadership position from Stokely Silverstream of Clan Battlehammer.

Appearances

 * Video games
 * Neverwinter: Curse of Icewind Dale