Yshiggol

Yshiggol was the Mind flayer Elder brain living in the Dread Vault in  Gauntlgrym. In the past Yshiggol was the responsible of the corruption of the dwarven Clan Duergar into the sub race of Duergar. When the duergar rose against their master Yshiggol was think by all killed by the rebellious slaves. In truth the brain was sigilled in a magic prison by duergar magic powered by Devils. in circa 1480 DR the mind flayer discovered the truth of the situation and worked to free their master. In the end Yshoggol was freed by prison by the mind flayer but soon after was killed by some adventurers.

Appearances

 * Neverwinter