"Forbidden" (禁（きん）じられた Kinjirareta) is a series of Quick-Play Spell Cards sharing similar artworks and effects. Their artworks all feature a white-clothed woman holding various items, in a place that appears to be "The Sanctuary in the Sky". The first member of the series ("Forbidden Chalice") was released in Raging Battle, then more members came in the Storm of Ragnarok, Abyss Rising and Primal Origin sets.