Diem is the newly crowned Queen of Lumnos, thrust into political turmoil due to her half-mortal heritage. She possesses unique, escalating magical abilities and a fierce determination to unite the mortals and the Descended. Despite the immense pressure of her divine appointment, she relies on her compassion and wilderness survival skills to protect her people.

Luther is a Descended warrior who serves as Diem's High General and closest confidant. Raised in the Lumnos palace, he is willing to sacrifice his safety for Diem and her vision of a united kingdom. He attempts to conceal his severe injuries to shield Diem from worry.

Auralie is Diem and Teller's mother, originally known to her family as a gentle mortal healer. She is revealed early on to be the official leader of the Guardians of the Everflame, a rebel group. Her secretive past as a spy and rebel leader deeply complicates her relationship with her children.

Ophiucae is an ancient, highly powerful Descended who poses a massive threat to the entirety of Emarion. Driven by a ruthless desire for immortality and absolute power, he is a terrifying figure from Auralie's past. He possesses a volatile temper and immense magical capabilities that outmatch the current Crowns.

Zalaric is an illegitimate member of House Hanoverre who was cast out and forced into hiding. He runs a sanctuary for half-mortal children in Umbros, utilizing his unique magic to keep them hidden. He is initially wary of Diem but shares her sympathy for marginalized people.

Teller is Diem's younger brother, a sensitive mortal trying to find his place in a rapidly changing world. Hurt by the secrets kept by both his mother and sister, he attempts to build an independent life away from the royal conflict. He studies in Sophos to escape the danger surrounding his family.

Yrselle is the formidable Queen of Umbros, the territory of Mind and Secret. She possesses dangerous telepathic abilities that allow her to detect lies and uncover hidden truths. She views Diem's mission with skepticism and prioritizes the survival and supremacy of her own territory.

Vance is the violent stand-in leader of the Guardians of the Everflame during Auralie's absence. He harbors a deep hatred for the Descended and uses lethal godstone weapons and torture to achieve his political goals.

Brecke is a member of the Guardians and a childhood friend of Henri. He serves as a bridge of communication for Diem during her captivity, showing more sympathy toward her than his violent superiors do. He ultimately provides crucial information regarding Auralie's true position.

Taran is a Descended warrior and one of Diem's most loyal friends. He travels alongside her as she attempts to secure safe passage through the territories. He offers a steady, reliable presence in her inner circle and readily risks his life to protect her.

Alixe is a highly capable Descended warrior and a trusted member of Diem's inner circle. Diem respects her tactical skills and appoints her as the new High General to lead the military forces. She is fiercely protective of her friends and consistently offers blunt, honest advice.

Remis is Luther's biological father and a powerful Descended noble in Lumnos. He is highly ambitious and attempts to seize control of the government in Diem's absence, showing little regard for the mortals or Diem's vision of equality.

Doriel is the Queen of Sophos, a territory steeped in history and ancient temples. She is highly protective of her domain and deeply suspicious of Diem's rising power, though she recognizes the looming threat that Ophiucae poses to her people.

Henri is Diem's former childhood sweetheart from Mortal City. He is deeply bitter about Diem's involvement with the Descended and her new royal status, unable to reconcile the girl he loved with the powerful Queen she has become.

Cordellia is a Guardian woman who watches over Diem during her captivity. While loyal to the rebel cause, she shows a surprising amount of compassion and eventually provides Diem with the means to escape.

Sorae is a massive, magical gryvern fiercely bonded to Diem. The dragon-like beast breathes deadly fire and serves as both transportation and a formidable protector in battle.