|This article or section is about elements from the Icewind Dale series of games.
Video games are considered canon unless they contradict content in some other Forgotten Realms publication.
It was a spherical blue stone, weighing 1 lb (453 g).
When attuned, the incandescent blue ioun stone increased the owner's wisdom.
Around 1311 DR in Icewind Dale, Oinchack'olp was roaming the Underdark beneath Icewind Dale when he lost the ioun stone, and some driders found it. Oinchack'olp ordered some passing adventurers to retrieve it from the driders' lair.