Slasher films involve a psychopathic killer stalking and violently murdering a group of teens. The films follow a typical cycle where the killer returns to the site of their origin to hunt down the teens. If features graphic violence and gore. The "final girl" often survives to defeat the killer in the end. Slasher films became self-referential and spawned parody films that mocked the genre's repetitive nature through humor and over-the-top fake gore effects.