There's nothing supernatural going on, except that the film is a very obvious and self-aware pastiche of, uh, pulp fiction plots. The Ezekiel quote is borrowed

There's nothing supernatural going on, except that the film is a very obvious and self-aware pastiche of, uh, pulp fiction plots. The Ezekiel quote is borrowed from an old martial arts movie, and the characters fully admit they just say it because it sounds cool before killing someone.