Angmar

This is where the witch King dwelt. The Lord of the Nazgul was Sauron's most dreadful servant. He was once a Man who became corrupted by one of the Nine Rings of Power. He established the realm of Angmar and became known as the Witch-king, and though Angmar was defeated it was foretold that the Witch-king would not fall by the hand of man. During the War of the Ring, the Witch-king led the hunt for the Ring-bearer and he commanded the forces at the Battle of the Pelennor Fields where at last he met his doom.