In horror movies, the gore isn't just blood and guts designed to repulse, it's an effective storytelling device to convey the consequences and brutality of a scene. It's also a beautifully disgusting art form with superstars as important as scream queens and slashers in horror films. Make-up artists like Rick Baker and Tom Savini have taken the genre from cheesy to realistically gory with a chef's kiss.
Source:https://www.cbr.com/goriest-bloodiest-horror-movies-of-all-time/