The Birth of Merlin to a Demon and the Baptism That Foiled Evil's Plan
A late medieval miniature by the artist known as the Master of Adelaide of Savoy illustrates one of the most mysterious episodes of the Arthurian cycle: the supernatural conception of Merlin.
According to the medieval legendarium, the wizard Merlin was begotten by a demon who visited a pious maiden, wishing to bring into the world a child who would serve as an instrument of darkness.
But the evil design was thwarted: the mother repented and had her son baptised.
Thus Merlin received supernatural knowledge and the gift of prophecy, yet devoted them to the service of good and the creation of benefit