Evil will do anything to live.

A young woman fights the spirit that is slowly taking possession of her.
In The Unborn, consciousness is carried by the dead — a plane of “spirit-haunted home”. The story fights on E8/E9 of the E0–E14 reality ladder, compressing religion, family, grief, possession.
Films fighting at the same level of reality, about the same things.
Other films that move a human interior onto the same kind of thing.
Talk to Me (2023)consciousness in the dead · hand-possession ritual
Ouija: Origin of Evil (2016)consciousness in the dead · haunted house séance
The Medium (2021)consciousness in the dead · spirit‑possessed village
Insidious: Chapter 3 (2015)consciousness in the dead · the Further
Insidious: Chapter 2 (2013)consciousness in the dead · the further
When Marnie Was There (2014)consciousness in the dead · spirit-heritageThe same preoccupations carried by a different kind of thing — grief told through the dead, an animal, a machine.
Hereditary (2018)consciousness in monsters · family, grief
Annabelle: Creation (2017)consciousness in monsters · grief, possession
Annabelle Comes Home (2019)consciousness in objects · family, possession
Annabelle (2014)consciousness in objects · family, grief
The Water Horse (2007)consciousness in animals · family, grief
A Dog's Journey (2019)consciousness in animals · family, grief