Gardeleg

Gardeleg was a Lord of Tyrn Gorthad who, seduced by his wife a Witch of Angmar, had become a Sorcerer allied with the Witch-King and betrayed his Master the King of Cardolan.He was eventually besieged by the Men of Cardolan and Dwarves of Dúrin´s house and trapped within his magic circle by the power of the Golden Wheel of Anor.