Lord Desann

Spoiler for those who havent read the Exar Kun comics: Scion cant be the King because the King does infact die. At the time of the comics' start King Ominn is believed to be dead and there is a problem between the inhabitants of Onderon. The "Savages" and the city of King Ominn (Iziz) ruled by his Queen. As a result of the conflict the Jedi Master Arca is appointed Watchman of Onderon and he sends his apprentices Ulic and Cay Qel-Droma to mediate the dispute. In the comic, Ulic Qel-Droma discovers that the inhabitants of Iziz are followers of the long dead Dark Jedi Freedon Naad. Ulic also discovers that the source of Onderons darkness is the remains of Naad and the presense of the Queen and the King (who is in hiding though still alive). Ominn then unleashes dark powers on Ulic and eventually captures Master Arca. But, cutting to the chase, at the end of this part of the series, Freedon Naad (who is a spirit) abandons Ominn and the jedi destroy his exoskeleton and destroy omin. So he is killed. His remains (along with those of the Queen and Naad) are removed to the Moon of Dxun. However he is dead. Unless there is a way to bring him back to life, Scion cant be him.