Tory is a headstrong Fae student who recently discovered she belongs to the legendary Phoenix Order. Following a brutal ritual, dark shadow magic has taken root in her body, causing severe nightmares and dangerous magical impulses. She relies on heavy drinking to cope with the mental strain and secretly practices wielding the darkness to gain control over it. Fiercely independent, she refuses to back down against the powerful Celestial Heirs who run the academy.

Darcy is a compassionate Fae who discovers she is a Phoenix during a dark ritual that leaves shadows permanently lodged in her body. She begins hearing a mysterious female voice whispering to her from the darkness, a symptom she attempts to hide. Assigned to the brutal, combat-heavy Pitball sports team as punishment by her professor, she discovers unexpected physical strength. She favors strategic alliances and quiet endurance over her sister's outright aggression.

Darius is a powerful Dragon Fae and a Celestial Heir destined to rule Solaria. He operates under the tyrannical control of his father, who uses illegal dark magic and physical violence to enforce his will. Bound by a magical Guardian pact to Lance Orion, Darius struggles to balance his family duties with his growing conscience. He performs cruelty publicly to maintain his status while secretly funding charities and protecting his younger brother.

Lance is a cynical Vampire professor at Zodiac Academy who is magically bound to protect Darius Acrux. He harbors an intense hatred for the Acrux family after Lionel caused the death of his sister years ago. He secretly practices forbidden bone magic with Darius to build enough power to eventually overthrow Lionel. He maintains a harsh exterior in the classroom but shows extreme tenderness in private moments.

Caleb is a Vampire and one of the four Celestial Heirs vying for the throne of Solaria. He argues for negotiation rather than outright war against the Vega twins, putting him at odds with the other Heirs. He struggles to control his predatory Vampire instincts and worries about a past incident where he nearly killed a girl while feeding. He actively pursues Tory Vega, viewing her as an exciting challenge.

Max is a Siren and a Celestial Heir who frequently uses emotional manipulation to get what he wants. He discovers his abilities do not work on Geraldine Grus, sparking an intense obsession with her. Max harbors deep insecurities about his illegitimacy, believing his stepmother poisoned his biological mother, and relies on the other Heirs for genuine acceptance.

Seth is a Werewolf and a Celestial Heir who operates heavily on Alpha instincts and pack dynamics. He claims Darcy Vega as the Omega of his pack, forcing her into a degrading position until she formally challenges him. He is highly observant and ruthless, using the secrets he uncovers to manipulate others and maintain the Heirs' dominance over the school.

Lionel is a High Councillor of Solaria and the abusive father of Darius and Xavier. He is obsessed with absolute power and relies on illegal Dark Coercion to control his family and subordinates. Having recently gained the power of the Fifth Element, he uses his shadow magic to intimidate and torture anyone he views as weak or threatening to his political ambitions.

Xavier is Darius's younger brother. Unlike the rest of his pure-blood family, he emerged as a Pegasus, an Order his father views as an embarrassment. He lives in constant fear, suffering physical abuse from his father whenever he shows weakness or fails magic demonstrations. He seeks connection online to escape his miserable home life.

Gabriel is the newly appointed Tarot teacher at Zodiac Academy. He possesses The Sight, allowing him to see glimpses of the future, which he uses to guide his actions. He frequently uses stardust to transport himself and others around the campus. He takes a special interest in the Vega twins, offering them secret lessons to help them conceal their true power.

Geraldine is a student at Zodiac Academy and one of the Vega twins' most vocal supporters. She comes from a family deeply loyal to the royal bloodline and frequently speaks in loud, archaic declarations. She possesses a unique immunity to Siren magic, allowing her to easily dismiss Max Rigel's attempts to manipulate her emotions.

Diego is a student at the academy whose family has a dark history with soul magic. He wears a special hat bound with his grandmother's spirit, which allows him to sense shadows in others. After previously wronging the Vega twins, he attempts to make amends by offering his knowledge of dark magic to help Darcy understand her condition.

Stella is Lance Orion's mother. She has aligned herself with Lionel Acrux, eagerly accepting the dark shadow magic granted during the Lunar Eclipse ritual. She uses this newfound power to torture others, demonstrating a cruelty that deeply alienates her son.

Sofia is a Pegasus Fae and a supportive friend to the Vega twins. She helps them navigate the social landmines of Zodiac Academy and happily discusses her new pen pal, unaware of his true identity or the danger he is in.

Clara is Lance Orion's sister. Years ago, she was manipulated by Lionel Acrux into becoming addicted to his power, which ultimately led to a traumatic ritual that resulted in her being lost to the shadows. Her memory serves as the primary motivation for Orion's hatred of the Acrux family.

Professor Astrum was the twins' mentor who was murdered prior to the current events at the academy. Operating under the alias "Falling Star," he manages to send cryptic messages from beyond the grave to guide his former students and their allies.

Marguerite is the captain of the cheerleading squad at Zodiac Academy. She resents Tory Vega and actively tries to get her kicked off the team by complaining to the supervising professor, though she ultimately fails.

Kylie is a vindictive student at Zodiac Academy who frequently taunts the Vega twins. She previously had a relationship with Seth Capella and carries a grudge against Darcy, participating in public humiliations against her.

Principal Nova is the head of Zodiac Academy. She enforces the school's dangerous environment, warning students to manage their own safety during chaotic astrological alignments rather than canceling events. She strictly monitors inappropriate relationships between staff and students.

Professor Washer teaches Water Elemental magic. He frequently makes inappropriate advances toward others and interrupts private moments, lacking professional boundaries with his colleagues.

Professor Prestos teaches Physical Enhancement. She firmly believes in the inherent inequality of Solarian society, teaching her students that they must learn to survive the Fae power imbalances through strategy and ruthlessness.

Professor Faun is the Numerology teacher at Zodiac Academy. She identifies the Vega twins' birth path numbers as belonging to natural leaders, affirming their rightful place in Solarian history.

Professor Zenith is the Practical Astrology teacher. He advocates for the Vega family's return to power and uses the school's magical devices to demonstrate cosmic bonds between students.

Tyler is a student at Zodiac Academy and Sofia's romantic partner. When the Vega twins face a massive public relations crisis, he offers the services of his mother, a PR expert, to help them spin the narrative.

Milton is a student at Zodiac Academy who maintains a friendly relationship with Tory. He possesses enough common sense to question the malicious rumors spread by the Celestial Heirs, noting the inconsistencies in their stories.

Hamish is Geraldine's father and a steadfast loyalist to the Vega family. He assists the twins in accessing their ancestral palace for the holidays and explains royal traditions to them.

Drusilla is Diego's mother. She is highly critical of her son and actively seeks out dark magical artifacts, aligning herself with the Acrux family to increase her own power.

Catalina is Seth Capella's aunt and an extended member of the Acrux family. She participates in formal royal traditions and is escorted by different men during the holiday festivities.

Antonia is a Celestial Councillor and Seth's mother. She represents her family's immense political power and participates in the tense negotiations aimed at keeping the Vega twins off the throne.

Melinda is Caleb's mother and a Celestial Councillor. She works alongside the other corrupt politicians to pressure the Vega twins into abdicating their inherited power.

Tiberius is Max's father and a Celestial Councillor. He places immense pressure on his son to perform perfectly, contributing to Max's deep-seated insecurities.

Gus is a reporter who covers the Vega twins' public appearances. He documents their arrival at their ancestral home, playing a role in shaping their narrative in the Solarian press.