After the conclusion of the Yuuzhan Vong War, Darth Vua, previously a Yuuzhan Vong Slayer and Sith apprentice, fashioned a holocron for personal use. In this holocron, Vua documented his reflections regarding his involvement in the final defeat of the Yuuzhan Vong, as well as his later capture by the Sith group referred to as the One Sith.