The rightful Queen of Terrasen and a powerful magic user wielding fire. Aelin is a 19-year-old half-Fae monarch who previously operated as the assassin Celaena Sardothien. Currently, she is trapped by Maeve in an iron coffin that stifles her magic, forcing her to rely on her mental resilience and love for her kingdom to survive her grueling captivity.

A centuries-old Fae warrior with silver hair, green eyes, and powers of ice and wind. Rowan is Aelin's husband and a former member of Maeve’s elite Cadre. Severed from his blood oath to Maeve, he is completely focused on tracking down Aelin, utilizing his combat skills and their mating bond to locate her.

The youngest of the three Valg Kings and the primary antagonist threatening the world. Erawan possesses immense dark power and commands massive armies of Valg demons, Ironteeth witches, and monstrous creatures. Stripped of his human disguise as Duke Perrington, he now commands his forces openly in his true form with ivory skin and gold eyes, seeking the magical Wyrdkeys to conquer the realm.

An ancient Valg queen who has spent millennia disguised as Fae royalty. Maeve possesses the power to weave illusions and twist memories, abilities she uses to mentally break her prisoners. She holds Aelin captive, attempting to force submission through isolation, physical pain, and severe psychological manipulation.

The King of Adarlan, who possesses incredibly powerful raw magic that manifests in ice, wind, fire, and shapeshifting. Carrying the trauma of his previous Valg possession and his father's cruel legacy, Dorian seeks the final Wyrdkey and prepares to make the ultimate sacrifice to seal the Wyrdgate.

The 117-year-old heir to the Blackbeak Clan, possessing moon-white hair and gold eyes. Nicknamed the 'White Demon,' Manon has rebelled against her cruel grandmother and deserted the Ironteeth witches. She now seeks to unite the rival Ironteeth and Crochan witch factions to fight against Erawan's forces.

The former Captain of the Guard and current Hand of the King of Adarlan. Having recovered from a paralyzing battle injury through Southern Continent healing magic, Chaol travels north with newly secured military alliances. He is fiercely protective of his home city, Anielle, and his wife.

A large, golden-haired Fae warrior capable of shifting into a mountain lion. Known as the Lion of Doranelle, Gavriel is a soft-spoken and honorable fighter who has been freed from his blood oath to Maeve. He seeks to locate Aelin while hoping to eventually build a relationship with his newly discovered son.

A bronze-skinned Fae warrior and member of Maeve's Cadre, known for his witty and playful personality under normal circumstances. Currently trapped by his blood oath to Maeve, he is unable to defend Aelin and suffers profound psychological torment by being forced to watch her pain.

A dark-haired Fae warrior who can shift into a black wolf. He is Fenrys's twin brother and a member of the Cadre. Lacking his brother's rebellious streak, Connall is heavily manipulated by Maeve, who uses his safety to ensure Fenrys's obedience.

A brooding Demi-Fae warrior with immense dark power, previously fiercely loyal to Maeve. After his actions inadvertently led to Aelin's capture, Lorcan joins the search party to rescue her. He wrestles with immense guilt and a desperate desire to earn forgiveness from the woman he loves.

A gold-haired witch with gold-flecked black eyes, serving as Manon's fiercely loyal second-in-command in the Thirteen. She carries deep physical and emotional scars from her grandmother's cruelty but maintains a profound sense of compassion and dedication to her coven.

A powerful healer from the Southern Continent's Torre Cesme. Yrene possesses unique magic capable of vanquishing Valg parasites without killing the human hosts. Newly married to Chaol, she travels into a war zone to provide critical magical support against Erawan's armies.

A golden-haired warrior known as the General of the Bane. Aedion leads Terrasen's defensive armies against Erawan's overwhelming numbers. He harbors intense anger toward Lysandra for impersonating his cousin, struggling with the immense pressure of leading a fracturing army in the dead of winter.

A brilliant shapeshifter with emerald eyes who uses her magic to impersonate Aelin, keeping the Terrasen armies unified in their queen's absence. Exhausted by the deception and wounded by Aedion's hostility, she pushes her powers to the absolute limit to maintain morale on the battlefield.

The Lady of Perranth, a cunning and intelligent young woman with a severely injured ankle. Having escaped her cruel uncle, Elide uses her sharp mind and strategic capabilities to aid the search for Aelin. She remains deeply furious at Lorcan for his past betrayal, maintaining a cold distance from him.

The Queen of the Western Wastes and a former Silent Assassin of the Red Desert. Ansel honors a life debt to Aelin by bringing her forces into the freezing north to fight against Morath, representing a vital military asset for the outmanned Terrasen defenders.

The Pirate Lord of Skull’s Bay and the Dead Islands. Blackmailed into service by Aelin in the past, he now operates as the Lord of Ilium, actively seeking maritime reinforcements to bring to Terrasen's aid during the war against Erawan.

A royal from the Southern Continent and the third child of Khagan Urus. Hasar is a brilliant naval strategist commanding the Khaganate's armadas, bringing her considerable military expertise to aid the northern continent in its fight against the Valg.

The second child and Heir to the Khaganate of the Southern Continent. Sartaq commands the northern armies and the formidable rukhin, an aerial force of archers riding giant birds. He is a brave and tactical leader deeply committed to the war effort.

An Adarlan rebel and the newly appointed Captain of the Guard. A skilled archer who recently trained with the rukhin in the Southern Continent, Nesryn provides critical aerial reconnaissance and combat support for the approaching southern armies.

A young girl with red-gold hair and citrine eyes, bearing facial scars from her traumatic past. Adopted by Lysandra, Evangeline represents the innocence and hope that Terrasen's forces are fighting to protect.

A shapeshifter and wealthy merchant who recently regained his shifting abilities. Traveling with the forces from the Southern Continent, Falkan utilizes his unique powers to assist in military reconnaissance.

Elide's cruel and abusive uncle, who serves Erawan and operates out of Morath. He is fully aligned with the Valg forces and possesses intelligence regarding Erawan's troop movements.

A sadistic Fae warrior who is blood-sworn to Maeve. Cairn delights in inflicting pain and uses specialized iron tools to brutalize Aelin, aiming to break her spirit on his queen's orders.

The leader of the Ironteeth’s Blueblood clan and daughter of the Blueblood Matron. Petrah commands significant aerial forces and is approached by Manon with an offer to abandon Erawan and forge a new alliance.

The steward and senior Lord of Terrasen, who ruled the region following the assassination of Aelin's family. He remains highly skeptical of Aelin's right to rule, frequently obstructing Aedion's military strategies due to his rigid adherence to tradition.

A Lord of Terrasen who actively participates in the kingdom's defense. He is suspicious of the secrecy surrounding the queen's actions but fights valiantly against the encroaching Valg forces.

An elder Crochan witch and Manon's great-grandmother. Glennis serves as a spiritual and cultural guide for the Crochans, testing Manon's worthiness to wear the Crochan crown and lead their people.