Simyaz was the leader of the githyanki party sent out after the blade of the sacred Silver Sword stolen by Irenicus. The blade was subsequently given to Saemon Havarian, who knew it could only bring trouble and was anxious to be rid of it. Simyaz's group went after him in a levitating ship, but it was somehow capsized, possibly by the same sahuagin who may have attacked Havarian's ship. Simyaz and a few other githyanki ended up taken prisoners by the illithids living near Ust Natha, forced to fight for their amusement.