slasher
A slasher is a subgenre of horror film and fiction defined by a serial or single killer who stalks and murders a group of people, typically with a bladed weapon. The narrative emphasis is on suspense, pursuit, and the mechanics of the kill, often showcasing elaborate set pieces and a final confrontation between the killer and a last-surviving protagonist.
Common elements include a masked or anonymous killer, a focus on young victims in isolated or claustrophobic
Historically, the genre traces roots to earlier thriller and horror works, with Psycho (1960) cited as a
Notable examples include Psycho (1960), Halloween (1978), Friday the 13th (1980), A Nightmare on Elm Street (1984),