Mother Joan of the Angels

A priest sent to investigate the convent, Father Suryn arrives with duty-bound resolve but is drawn into a web of love, danger, and violence. He confronts the limits of exorcism as he protects Mother Joan and faces a moral crisis that culminates in killing to save her. His conduct blends piety with a troubling readiness to cross lines for what he believes is redemption.

The abbess and the most possessed nun, Mother Joan dominates the convent's fate through demonic torment. Her moments of seduction toward Father Suryn reveal a tension between sanctity and temptation. The exorcism initially seems to cure her, only for possession to recur, underscoring the fragility of spiritual authority.

A non-possessed nun who trades nightly stories with inn patrons and ultimately leaves the convent to become Margareth after falling in love with Chrząszczewski. Her arc signals the pull of ordinary life beyond cloistered duty and the costs of choosing personal happiness. She embodies loyalty to the convent while being drawn toward a different life.

A stableman who guides Father Suryn around the inn and contributes to the community's gossip and fear. He dies as part of the perilous ritual, his death marking a brutal turn in the exorcism and the priest's moral journey.

A stableman associated with the inn who becomes a target of the escalating violence brought on by the exorcism. His fate underlines the collateral damage inflicted by zeal, fear, and desperation in urgent ritual acts.

A visiting squire who visits the inn and forms a complicated love triangle with Sister Małgorzata. His presence and choices influence the spread of affection and the sense of risk surrounding the convent's secrets.