The "King of Adarlan" is a central character in the Throne of Glass series by Sarah J. Maas. He rules the kingdom of Adarlan with an iron fist, known for his cruelty and oppressive regime. His reign is marked by the subjugation of magic and the persecution of those who possess it. The King is also the father of Dorian Havilliard, a key character in the series. His actions and policies significantly impact the lives of the protagonists, including Celaena Sardothien, who seeks to challenge his authority and bring justice to the oppressed.