1.ghostory (monstory) -

Because you cannot rely on cinematic jump scares and booming soundtracks on a written page, you must use heavy sensory descriptions (unusual smells, sudden drops in temperature, eerie noises) to build a lingering sense of unease.

Your ghost or monster cannot just be scary for the sake of it. It needs a specific motivation or unfinished business driving its actions. 1.Ghostory (Monstory)

The protagonist should be uniquely susceptible or personally connected to the haunting. For example, the monster might be a physical manifestation of the protagonist's deepest real-life fears. Because you cannot rely on cinematic jump scares