Sel-Makor was a mysterious dark side entity that resided in the Dark Heart on the planet Voss. Created when the Jedi influenced the native Gormak by teaching some of them to use the Force, Sel-Makor began to gorge itself on the suffering and anger that resulted from the Gormak rising up against Sith invaders, and soon spread its corruption to form the region known as the Nightmare Lands. Influencing the Gormak into waging war on the newly created Voss, Sel-Makor's power and influence spread outward, aided by the various avatars and minions he used as physical forms. When the Gormak king Jokull entered the Nightmare Lands, Sel-Makor gave him the power to see the future as the Voss did, and influenced Jokull to build a starship to escape to the stars and a cannon to destroy the Voss in their