Dragon Quest: Dai no Daibouken Episode 20 English Subbed Episode Title:A Frightening Enemy Appears!? The Demonic Swordsman, Hyunckel!.Episode Description: One swordsman I met at the site of a castle destroyed by a monster, Papnica Castle, was a young man named Hyunkel, who was once taught the sword by Avan. However, at the time, the same name was said at Hadler's base. Immortal Commander Hyunkel received a direct order to subdue him from the Great Devil Burn.