Horror subgenre built on serial killer and hunt dynamics — stylized violence, suspense through POV cuts and sound design. Template since Psycho; Halloween perfected the formula.
In a slasher film, a single killer methodically works through a group of victims—often isolated, usually at night, always with a sharp weapon. The mechanism is simple and therefore effective: tension arises not from surprise, but from the certainty that someone will die. You just don't know when or how close the murderer is. This is what distinguishes it from psycho-thrillers, where the perpetrator's identity or motivation is the focus—here, only the hunt matters.
Visually, slashers rely on strict POV grammar. The creator works with subjective camera perspectives, often from the killer's eye level, combined with editing rhythms that create a sense of breathlessness. Halloween established the pattern: long Steadicam shots, minimal music (Michael Myers' breathing sound is enough), an antagonist without close-ups, only silhouette. This works so reliably that directors like David Fincher or even younger auteurs still use the formula—with variations, not reinvention.
Your editing work in a slasher revolves around tension and release. You cut tightly to the moment the victim notices (or doesn't notice) the killer. The use of music runs counter to classic horror scores—silence or everyday noise is often enough to build unease. Some classics use repetitive, almost minimalist thematic material that settles beneath perception like a constant heartbeat. This enables digital speed: jump cuts, freeze frames, editing dissonances where the eye cannot follow the ear.
Formally, the slasher has become highly standardized through franchise success (Friday the 13th, Nightmare on Elm Street). However, the genre also tolerates subversion: meta-slashers like Scream play against the rules without destroying the basic structure. Some auteurs intensify the violence choreography into the artistically stylized—this shifts the horror from fear to craft. On set, your task is clear: you establish space (often labyrinthine, making escape impossible), you rhythmically moderate the pursuit, and you make the killer dangerous through consistency, not the supernatural. He is human, which makes him real.