Darth Adsec (born Pantene) was the apprentice of Jasca Ducato during his time as both a Jedi and a Sith.
He would later become a Sith Knight, and then a Sith Lord becoming the head of the Sith Temple Academy on Nerezza. He was a key individual during the Sith Crusade, taking the position of Commander of the Home Fleet until his death in 65 ABY at the battle of Praesitlyn.