The Inhuman race was born of Kree experiments. But who made the Kree? The Progenitors are revealed as fan-favorite writer Al Ewing takes the Inhumans to new heights! The Royals are searching for the Prima Materia, the original Terrigen. But even if they find the chemical that will restart their dying race...can they escape the revenge of its creators? It has been foretold that of the seven who left Earth, only six will return—and Medusa is already dying. Who will the Royals lose?