He was an outsider among his kind for most of his life, because of his introverted personality. He became obsessed with a girl called Julia, and was extremely jealous with Let, Julia's lover. To spite those who he felt shunned him, and to steal Julia from Let, Jegan destroyed their village and killed their kind. Jegan faked Julia's death in Let's eyes with an illusion, making him bury another person instead. Jegan also faked Let's death in Julia's eyes in a similar fashion after Let left the village, and made her subservient to his whim through mind control. However, although Jegan had intentional left one of the village's shrines untouched, bandits had defiled it during their absence and she was forced to perform her dragon trial on ground that was not sacred, thus failing and turning into a full dragon, devoid of a will of its own.
Jegan and the rest of the Oracion Seis would survive a reformed King's attempt to kill them when he destroyed Demon Card headquarters by going into hiding for several months beforehand. They would return later to find the Blonde Demon (King's son Lucia Rareglove), and they would end up in Symphonia, where he has confronted the Haru's group. They would then decide to eliminate Elie, in order to prevent the possible release of Etherion in any future meeting with Lucia.
For Jegan, however, it was an opportunity to relive some old scores, as an enraged Let (now a han'ryu) was among Haru's group. The two would do battle, and despite Let's transformation into a seijin, Jegan proved be too powerful, and Let would end up being transformed into a tree by Jegan's Six Star Dark Bring Yggdrassil.
To retrieve "Vampire"(Doryu's Sinclaire) from Haru's group, Jegan would lead an army of full dragons against them, while they were en route to the last piece of Rave. It was at this point that Jegan and Let would fight one last time atop an Imperial dragon in the skies above, as Haru and the rest flew away and preoccupied Jegan's other dragons. Just like before, Jegan and the power of Yggdrassil proved to be too much for Let, and he was forced to resort to drastic measures; Let would invoke the power of the Dragon God, at the cost of his own life. Because of the incredible power that Let now possessed, he was able to overpower Jegan and defeat him; at the same time, Let threw an elixir at Julia for her to consume, which would've transformed her into a seijin. With Jegan defeated, his control over the dragons waver, and they all depart. The Imperial dragon regains its free will and indirectly throws Jegan and Let off of it as it departs, and Julia flies for the falling Let. As he plummets to the ocean, he sees Julia has chosen Let over him again, and is overcome with absolute defeat...
Haja had originally been born as a fellow citizen of Mildian city - the town carved out of time - for many years of his life. Throughout his years in this city, Haja developed a special relationship with Miltz, the leader of Mildian. Over time, Haja's great ambition began to grow like an uncaged beast, leading for him to join under Demon Card to settle this inner desire. Haja would quickly become the leading head of the Oracian Six and the master strategist within Demon Card.
