og'Rahk – A gru'Esh of the po'Esh clan. It is large, fat, and the leader of the Night Haven near Ysylum. (See also Night Haven and Ysylum)
Omnead – A follower of the Omnead religion, or the religion itself. This religion is based around the belief in the Omneity and the prophesied existence of the Uurtan. (See also Omneity and Uurtan)
Omneity – A Tranthaean deity that is believed to guide the world. When things go awry, the Omneity is believed to not be afraid of stepping in by bringing to Tranthaea people who may be capable of setting things right. But the Omneity is not believed to be omniscient, simply well-intentioned. Beyond that, little is known...
Onyx – A female Aru Elen slave in the Mines of Du Garrah.