5 Theories For What Took Over Nikki in 'Obsession' - MovieWeb
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The mystery of what "took over" Nikki in Obsession is a perfect lens for exploring theories of dissociation, possession, and the fractured self — where horror meets psychology.
Dissociative Identity TheoryShadow Self (Jungian Psychology)DualismPossession Theory

Theory Briefing
- MovieWeb floats five competing theories for Nikki's transformation, from supernatural possession to a magically split dark side.
- The 'One Wish Willow' theory suggests a literal fracturing of Nikki's psyche — echoing dissociative identity frameworks in real psychology.
- Each theory maps onto a different model of the self: whether identity is unified, splittable, or corruptible from within or without.