One important element is the contrast. A woman who is physically very attractive but has an air of danger or the unknown around her can create that sexy - creepy effect. Her motives are also crucial. If her reasons for interacting with people are unclear or seem to have a dark undertone, it makes the story. For instance, if she lures people to a particular place for reasons that are not obvious, it adds to the overall atmosphere of the story.
One story could be about a woman who always wore a long black dress and walked around an old, abandoned mansion at night. She had a seductive yet eerie charm. Whenever someone passed by the mansion, they could see her silhouette in the window, her long hair flowing. It was said that she was a lost soul from the past, cursed to haunt that place forever.
One element is the setting. For example, an old, isolated house during a snowstorm can create a creepy atmosphere. The isolation and the coldness outside add to the sense of unease. Another element is the use of the unknown. If there are strange noises or apparitions that can't be easily explained, it makes the story creepy. Like a disembodied voice singing Christmas carols when no one should be there.
Surprise is a key element. For example, when you expect a real ghost but it turns out to be something silly like a prank. It creates that funny - creepy feeling.
One element is a sense of loss. For example, in a story where a person loses their loved one in a very strange and unexplainable way, like they vanish without a trace. It creates a sad and creepy atmosphere. Another is isolation. If the setting is a lonely place like an old, deserted cabin in the woods where something sad happened, it adds to the creepiness.
One element is the setting. Dark and isolated places like old houses, cemeteries, or abandoned asylums create a spooky atmosphere. Another is the appearance of the ghost. A figure in white, with long hair covering its face or having no feet and floating can be really creepy. Sound also plays a big part. Strange whispers, moans, or the sound of chains rattling add to the scariness.
Surprise elements can do that. For example, if a character is expecting one thing and then something completely unexpected and a bit spooky happens. Like in a story where a person is waiting for their friend at a café, and instead of their friend, a small, pale child with no expression appears and starts whispering strange things, that's unexpected and creepy but also has a funny - in a dark way - aspect to it.
One element is an unusual appearance. For example, if a girl has extremely pale skin and dark, sunken eyes, it can give a creepy vibe. Another is strange behavior like talking to inanimate objects or walking in a trance - like state. Also, a spooky setting such as an old, dilapidated building where the girl is often seen can make the story creepy.
The combination of spooky settings and silly explanations. Like a spooky old house where the 'haunting' is just the old floorboards creaking because of a mouse. The contrast between the seemingly scary situation and the mundane cause is what makes it both creepy and funny.
Unsettling locations can make a story creepy. For example, an abandoned asylum or a dark, isolated forest. These places create a sense of unease as they are often associated with danger or the unknown. Another element is strange noises. Like a low moan coming from an empty room or a scratching sound on a window in the middle of the night. It makes the reader or listener wonder what could be causing it. Also, the presence of supernatural beings such as ghosts, demons, or witches adds to the creepiness. They defy the laws of nature and bring an otherworldly fear.
Mixing the ordinary with the spooky. Like a mouse making noises in an old, supposedly haunted building. You expect a ghost but it's just a little mouse. This contrast creates that creepy funny feel.