Karma Cogito Draco(紺碧龍王の空想カルマ・コギト・ドラコ, Karuma kogito dorako), also known as Azure Dragon King's fantasy, is an artificial Sacred Gear created by Enma Miyama and wielded by Sarah Leonheart, the current leader of the Black Team in the Highschool DxD: Яe-birth continuity. It has sealed from within the soul of the Blue Chaos Karma dragon king Tiamat. Considered a high-tier sacred gear, it has the ability to turn imaginary objects and events into reality by using the concept of Probatio Diabolica.