One 'batman horror story' could be about the Joker taking over Arkham Asylum and turning it into a real house of horrors. He could be torturing the inmates and using them to set traps for Batman.
Well, Batman's origin story often involves the trauma of witnessing his parents' murder. This event drove him to train and develop the skills and gadgets needed to become the Dark Knight.
Well, Batman's fate varies across different comic series. Sometimes he narrowly escapes death, while in some darker storylines, his death is depicted, but often with potential for a comeback or some sort of twist.
Batman typically adheres to a no-killing code, but there are rare exceptions in some darker or alternate comic universes where he has been shown to kill.
Well, here's one. A man went to a coffee shop. He ordered a latte and asked for extra foam. When the barista handed him the coffee, there was so much foam that it looked like a mini mountain. As he took a sip, the foam got all over his nose and he looked like Santa Claus. Everyone in the shop had a good chuckle.