Darth Dessicus was a fallen Jedi that was Darth Transel's apprentice. After Darth Bandon was killed by Darth Transel, Transel became the new Dark Lord, only to be killed by Arkon Ves three years afterward. After Darth Transel got killed, Dessicus retreated into the Unknown Regions with his apprentice Darth Abeon. He lead the Sith there, until they were strong enough to fight the Republic again.