Incantation intertwines frightening supernatural elements with genuine feelings as Ronan, a mother dealing with an invisible affliction, fights to keep her child safe while also grappling with past regrets and errors. Although the narrative suffers from disorienting shifts in time and some apparent gaps in logic, the film’s unsettling atmosphere, believable acting, and skillful depiction of ritualistic horror combine to produce a captivating experience that feels deeply disturbing. It develops into a sorrowful but gentle account centered on faith, repercussions, and what a mother will do to battle evil for her child's sake.

Source on TMDB