“The Nazgûl (from Black Speechnazg, ‘ring’, and gûl, ‘wraith, spirit’), introduced as Black Riders and also called Ringwraiths, Dark Riders, the Nine Riders, or simply the Nine, are fictional characters in J. R. R. Tolkien‘s Middle-earth. They were nine Men who had succumbed to Sauron‘s power through wearing Rings of Power, which gave them immortality but reduced them to invisible wraiths, servants bound to the power of the One Ring and completely under Sauron’s control. The Lord of the Rings calls them Sauron’s ‘most terrible servants’. Their leader, known as the Lord of the Nazgûl or the Witch-king of Angmar, had once been the King of Angmar in the north of Eriador. At the end of the Third Age, their main stronghold was the city of Minas Morgul at the entrance to Sauron’s realm, Mordor…