Demon Devourer summary: Despite his prestigious lineage of sorcerers, Elric Mervinger is unable to practice magic due to a peculiar ailment. In his quest for a cure, he stumbles upon Mephistopheles, a demon who seeks possession of Elric to escape a dragon's trap. However, Mephistopheles' intentions go awry when Elric absorbs the demon's essence, resulting in a bond between them. Can Elric wield this newfound power with Mephistopheles by his side to restore his family's former glory? Or will this partnership result in Elric's downfall?