Celaena is a fictional character from the Throne of Glass series written by Sarah J. Maas. She is a skilled assassin known for her exceptional combat abilities and cunning intelligence. Celaena's journey begins when she is offered a chance at freedom by competing in a deadly competition to become the king's champion. Throughout the series, Celaena faces numerous challenges, including betrayal, political intrigue, and her own dark past. As she navigates her way through the kingdom of Adarlan, she discovers her true identity and the importance of friendship, loyalty, and fighting for what is right.