Around the year 3640 BBY, in the era of the Galactic War, the Barsen'thor of the Jedi Order embarked on a quest to Voss, a specific planet. While there, and despite the meddling of the Sith Empire, the Barsen'thor aided the talented young Gaden-Ko in finishing his training to become a Voss Mystic, after which Gaden-Ko became a member of the Jedi's team.