Character Arc
Iblis is the genie at the heart of the series, an ancient and near-omnipotent being who has spent 983 years sealed inside a lamp. When he is finally freed, he carries himself with grand theatricality and a deep well of resentment, expecting the human who released him to be a worthy master. Instead he is bound to Ki Ka-young, a woman who barely wants anything at all, which leaves the proud genie endlessly exasperated and forces him to confront feelings he has long suppressed.
Across the season Iblis swings between extremes of emotion, by turns imperious, petulant, tender, and wounded, using his powers to grant wishes while quietly chasing answers about why he was imprisoned in the first place. As he learns that his fate is entangled with Ka-young's, his cynicism begins to crack, and the role he plays in her life shifts from reluctant servant to something far more personal.
Kim Woo-bin plays Iblis with a mix of comic flamboyance and melancholy, anchoring the show's tonal swings between slapstick fantasy and heartfelt romance. The character's arc traces a centuries-old grudge softening into devotion as the genie discovers that freedom and love may cost him the very immortality he once took for granted. Character details here are AI-authored and flagged for fact-check given the show's recent release.