Alex is a thirteen-year-old boy from the dreary state of Quill who faces execution for the crime of drawing a house in the dirt. Upon arriving at the Death Farm, he discovers the vibrant, magical world of Artimé instead of a graveyard. Naturally creative and loyal, he struggles with his separation from his twin brother and his delayed entry into magical training. He channels his artistic skills into painting and sculpting, which eventually form the basis of his magic.

Aaron is a thirteen-year-old Wanted resident of Quill who rapidly advances through the state's military and educational ranks. Ambitious and pragmatic, he quickly tries to forget his Unwanted brother and focuses on gaining the favor of High Priest Justine. He applies his sharp mind to improving Quill's infrastructure, demonstrating a willingness to embrace the authoritarian system to secure his own power.

Marcus Today is the powerful mage who secretly created Artimé to save the creative children condemned by Quill's annual Purge. He operates out of a sprawling, magical mansion filled with living statues and mythological creatures. Bearing a deep sense of responsibility for the children he rescues, he encourages free expression but insists on strict rules regarding contact with the outside world. He carries a heavy burden regarding the political situation in Quill.

Lani is a twelve-year-old girl and the daughter of one of Quill's highest-ranking governors. Sent to the Death Farm for her secret inclination to read and write, she proves to be a prodigy in Artimé's magical classes. She struggles to process her emotions, often masking her affections with teasing or showing off her advanced magical skills. She carries a deep-seated anger toward the father who seemingly abandoned her to the Purge.

High Priest Justine is the ruthless, authoritarian ruler of Quill. She maintains control through strict laws, isolationism, and the execution of anyone displaying creative tendencies. She views emotion and art as fatal weaknesses, striving to run her state with absolute rigidity. She is obsessed with eliminating threats and demands total loyalty from her governors and military.

Samheed is an Unwanted boy who previously boasted about joining the Quillitary before being reported and condemned. Angry and resentful about his fate, he initially rejects the joyful atmosphere of Artimé and views the creative lessons as pointless. He slowly bonds with the other children but maintains a cynical edge, gravitating toward older, similarly disgruntled residents.

Will is an older Unwanted boy and the son of a high-ranking Quillitary general. Bitter about losing his privileged future in Quill, he acts as a bully in Artimé and refuses to embrace the peaceful, creative lifestyle. He harbors a specific grudge against Aaron Stowe, whom he blames for his current situation.

Meghan is a young Unwanted girl punished for singing and dancing in Quill. Upon reaching Artimé, she quickly thrives, discovering a magical blackboard that teaches her how to play instruments. She is enthusiastic and warm, easily advancing to magical warrior training due to her exceptional vocal talents.

Gunnar Haluki is the Senior Governor and second-in-command to High Priest Justine in Quill. He oversees military training and presents a strict, authoritarian front to the public. His actions during the Purge cause immense emotional damage to his family, positioning him as a harsh enforcer of the state's laws.

Claire is a dedicated vocal instructor in Artimé who works closely with Marcus Today. She guides students like Meghan in channeling their musical talents into powerful magic. When the sanctuary faces external threats, she steps into a leadership role to organize its defenders.

Ms. Octavia is a magical creature—half alligator and half octopus—who serves as an instructor in Artimé. She is responsible for teaching Magical Warrior Training, instructing the children on how to turn their artistic creations into defensive spells.

Sean is an older Unwanted who survived a previous Purge and now thrives in Artimé. He welcomes his younger sister Meghan to the magical world and explains the curriculum, showing the new arrivals that survival and happiness are possible.

Governor Strang is a teacher and official in Quill who educates the Wanted youth on the state's superiority. He preaches isolationism and praises the military, actively shaping the next generation to follow High Priest Justine's harsh rules.

General Blair is the top military commander of the Quillitary. He represents the aggressive, physical force of Quill's government, though his military is plagued by broken equipment and a lack of true adversaries.

Mr. Stowe is the father of Alex and Aaron. Fully indoctrinated by Quill's authoritarian regime, he refuses to show any public grief over losing a son. He is fearful of being reported for insubordination and strictly adheres to the state's rules to protect himself.

Mrs. Stowe is the mother of the Stowe twins. Like her husband, she immediately attempts to erase all traces of her condemned son, urging her remaining child to forget his brother and focus entirely on his future in Quill.

Simber is a colossal, living stone statue of a winged cheetah that patrols the grounds of Artimé. Created by Marcus Today, he serves as a guardian, peacekeeper, and formidable warrior when the sanctuary is threatened.

The Secretary is an older woman who has faithfully served High Priest Justine for fifty years. Despite her lifelong dedication, she is casually informed that she will soon be put to sleep due to her advancing age, highlighting the brutal pragmatism of Quill.