Myst-Vearn is the major antagonist in the Dragon Quest spin-off manga, Dragon Quest: The Adventure of Dai. He is the first, foremost and most devoted servant of the series' main antagonist, Vearn. Although he is first introduced as one of the Demon Army's six Captains under Hadlar's command, he is eventually revealed to be Vearn's real right-hand-man. He only speaks when he absolutely must and never lets anyone who saw his face live to tell the tale.