Yun'o Avatars were a powerful sub-species of Humans that were Avatars of the dark side Deities belonging to the Yuuzhan Vong that were known as Yun'o in the Yuuzhan Vong Religion: the True Way. Yun'o Avatar were the best aspects of their Gods and Immortal - being incapable of being killed by Age or illness and that included Bioweapons or poisons, there was only one Avatar per Yun'o God. Yun'o Avatars were actually Force Wielders.