Nathan is Paxus and Bruna's long lost uncle. A few days before Paxus was born he challenged Hankerman into not giving him the sword of Korriban although he was next in line. Hankerman did not give him which made him very angry and betrayed. Almost assassinating Paxus Father. Hankerman broke into a fight with Nathan and after Nathan got away never to be seen again disappearing into space. But with everyone knowing that he would be back for the sword.
During a fight for the sword of Korriban. his powers removed temporary. Later he's change in heart because of Andres and is trying to make amends with his family or what is left if it.