The presumed-dead rightful queen of Terrasen currently lives under the identity of a feared assassin. Sent to Wendlyn by the king of Adarlan, she is burdened by intense grief over the loss of her loved ones and the destruction of her kingdom. She possesses powerful fire magic but fears using it because of her traumatic past.

A powerful, immortal Fae prince who serves Maeve and possesses destructive wind and ice magic. He has a distinctive facial tattoo and can shift into a hawk. Bound by guilt over his tragic past, he initially despises Celaena but slowly recognizes their shared emotional pain.

The kind and brave crown prince of Adarlan. He harbors the dangerous secret that he possesses magical abilities, which his tyrannical father has strictly banned. Isolated by his circumstances, he seeks safe ways to conceal and control his developing powers.

The heir to the Blackbeak clan of Ironteeth witches, known for her ruthlessness and distinctive red cloak. She leads a feared coven called the Thirteen. As she trains for the king's upcoming war, she begins to develop an unexpected awareness of her clan's cruelty.

The captain of the guards for the king of Adarlan. His loyalty is deeply divided between his official duty, his desire to protect his best friend Dorian, and his growing conscience regarding the king's cruel oppression. He cautiously investigates the disappearance of magic.

An infamous general serving the king of Adarlan and Celaena's cousin. He wields the legendary Sword of Orynth and presents himself as a loyal servant to the crown. However, he secretly harbors deep loyalties to his fallen homeland of Terrasen and actively works against the king.

The millennia-old, immortal Fae queen who rules the hidden city of Doranelle. She is an intimidating presence who covets powerful magic and closely guards her knowledge. She demands that her niece prove her worth before granting her any answers.

The cruel and power-hungry ruler of Adarlan who banned magic ten years ago. He seeks to open the gates to the Valg's world to harness dark magic and uses black rings to control the minds of his closest subjects.

A gentle healer working at the king's castle in Adarlan. She quietly tends to the injuries of the royal circle and helps Dorian find ways to safely inhibit his emerging magic.

A small but cunning wyvern chosen by Manon to be her mount. Despite lacking the sheer size of the alpha bulls, he proves to be an intelligent and surprisingly gentle creature who forms a strong connection with his rider.

The demanding matron of the Blackbeak clan of Ironteeth witches. She expects absolute obedience and brutality from her witches, ordering Manon to win the upcoming War Games by any means necessary.

An older, kind half-Fae cook at Mistward who befriends Celaena while she works as a scullery maid. He is an engaging storyteller who shares local legends and history with the fortress residents.

A young helper working in the kitchens at the Fae outpost. He offers Celaena friendship during her stay and occasionally gets caught up in the dangerous training exercises set by Rowan.

An Ironteeth witch and Manon's fiercely loyal Second in command of the Thirteen. She completely trusts Manon's leadership as they prepare to ride wyverns in the king's army.

The vicious heir to the Yellowlegs witch clan. She is a bitter rival to Manon who attempts to sabotage her during the wyvern selection and attacks other competitors during the War Games.

The heir to the Blueblood witch clan. While initially a strict competitor, she offers Manon a gesture of friendship after witnessing Manon defend her wyvern from mistreatment.

A young rebel leader fighting against the king's tyranny in Adarlan. He attempts to recruit remnants of Terrasen's court to overthrow the oppressive regime and works closely with his grandfather.

An older rebel leader who uncovers crucial information regarding how the king caused magic to vanish from the continent ten years ago.

A human duke serving the king of Adarlan. He oversees the breeding of the wyverns and commands the dark forces gathering at the city of Morath.

A powerful Fae warrior capable of shifting into a mountain cat. He is one of the elite warriors bound to Maeve by a Blood Oath and shares a close camaraderie with Rowan.

A general in the king of Adarlan's army who leads a devastating attack against the Fae outpost alongside three terrifying Valg princes.

The late princess whose tragic sacrifice deeply traumatized Celaena. Her memory serves as the catalyst for Celaena's journey to Wendlyn to seek answers from the Fae queen.

Aelin's former lady-in-waiting in Terrasen who bravely sacrificed herself to allow the young princess to escape from Adarlan's invading soldiers.