One example could be 'In the old attic, I found a doll. Its eyes followed me. Then it smiled.' Another might be 'Walking alone at night, a hand grabbed my ankle from the sewer grate.'
One example could be 'I woke up in the middle of the night. There was a figure at the foot of my bed. When I blinked, it disappeared.' Another is 'Walking in the old attic, I heard a child's giggle. I was alone.'
One example could be 'I opened the old, creaking door. A cold hand grabbed my wrist. Then it was gone.' Another might be 'Walking in the dark forest, I heard a growl. I turned. Red eyes stared for a split second, then vanished.'
One possible ending could be a sudden loud noise that startles the reader. For example, 'The door creaked open slowly, and just as I peered into the darkness, a deafening screech filled the air.'
One example could be 'I opened my eyes in the dark. A hand touched my face. Then I woke up for real.' Another might be 'The elevator doors opened. No one was there but I heard a child's laugh. Door closed.'
In some hide two second horror stories, the ending could be a realization that the threat was much closer than expected. After the two seconds of hiding, the protagonist discovers that the source of horror, like a menacing entity, was right inside the hiding place with them all along. They only notice when it's too late as it reveals itself in a terrifying way.
There's the story of a cursed object. A young woman buys an antique mirror at a flea market. Once she brings it home, she starts seeing a distorted figure in it. As days pass, she becomes more and more ill, and realizes that every previous owner of the mirror has met an untimely death. It's as if the mirror is sucking the life out of her.
In some twin horror stories, there are twins who have a psychic connection. But this connection is exploited by an evil force. For instance, when one twin gets injured, the other feels the pain double. And they start seeing disturbing visions that lead them into a world of horror.
One example could be in the healthcare sector. When a hospital is privatized, costs often skyrocket. Insurance companies may start dictating care, and many patients who can't afford the high premiums are left without proper medical attention. This leads to a decline in the overall health of the community served by that hospital.
One example could be a kitchenette where the stove constantly has a gas leak smell. It makes you fear for your safety every time you want to cook. Another could be a really tiny kitchenette with no proper ventilation, so it gets extremely stuffy and smelly when you cook anything.
One genetic horror story could be about a gene - editing experiment gone wrong. Scientists try to enhance certain traits in a species but instead create a monster - like creature that starts to hunt down humans. It shows how messing with genetics without fully understanding the consequences can lead to terrifying outcomes.