The violence in the movie, while strong and bloody, occurs mostly off-screen with only the aftermath being seen and/or blood splatter. The strongest of this includes a man being nailed to a wall with a nail gun in a crucifix position, by his hands and head, a man being drilled through with a large drill bit, and a woman's legs being obliterated with Hazard Jack's hammer.
A bloody, dead body is seen.
Hazard Jack is seen carrying two severed heads down a dark hallway.
A severed handed is seen on the ground.
Hazard Jack sets a man on fire, he is briefly seen burning.
A group of severed heads with bloody body matter underneath them are seen on tables.
Hazard Jack batters multiple people with his hammer.