Eli

Eli is a young boy trapped in an agonizing struggle between his perceived affliction and his true nature. Initially depicted as a victim burdened by severe allergies, he emerges as a powerful entity grappling with supernatural abilities. His journey of self-discovery reveals resilience, courage, and the complexities of forming trusted relationships.

Haley is a mysterious girl who forms a crucial friendship with Eli throughout their shared confinement. Unlike others, she senses the supernatural elements surrounding them and acts as a key ally in Eli's awakening. Her own hidden identity as a child of Satan adds layers to her character, as she navigates trust and camaraderie with Eli.

Dr. Horn is portrayed as both a caregiver and a sinister figure, leading Eli's treatment while masking a horrific agenda. Her insistence on Eli’s hallucinations reveals her manipulative nature, making her a pivotal antagonist in the narrative. As the truth about her past patients unravels, she embodies the dangers of misplaced trust and evil disguised as medicine.

Rose, Eli’s mother, grapples with the consequences of her desperation for a child, leading her to make morally questionable choices. Her journey is one of realization and guilt as she confronts the dark pact surrounding Eli's existence. Ultimately, she battles her inner turmoil while striving to protect her son from the very horrors she has unwittingly contributed to.

Paul portrays the role of a seemingly supportive father but ultimately reveals layers of deception and betrayal. His character serves to highlight the themes of trust issues within the family dynamic, as his true intentions unfold during the climactic confrontation. He becomes a symbol of the masks that people wear to hide their true selves.