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When fifteen-year-old Andree and his friends uncover a glowing stone in the woods, they unknowingly shatter an ancient seal. A malevolent demon named Valas seizes control of Andree's body, transforming him into a vessel for dark energy. Trapped within his own consciousness, Andree must fight a terrifying internal battle to protect his friends from the entity's destructive power. Though he eventually reclaims his body, a sinister residue remains—a lingering darkness that feeds on his anger, threatening to consume him once again. Comparable works include The Exorcist