Moganth, Prime Dragon of Earth, helped Zelgarius and the other Primes seal the tyrant Desoloth behind the DragonMark. Much later, Desoloth's servant X'dir leads the Hero against him to take his Dracoscintilla. X'dir then uses some of Moganth's power against Cellot, another of the Primes.
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Sources
Legend of the Dragon King · X'dir's quests
