Possession

Suggestions:

Union Furnace Bless the Child Other Side of the Box Trees Decapitato: Consequenze Mortali

Five friends find an old bunker in the forest. There, they meet a demon that resumes to split them up. Possessed by the Demon attempting to split them up into five parts - making each of them to attempt to take possession of one friend - in order to play them off against each other. Only one of them is strong enough and smart enough to unite all parts again. The others have to die...