Much tamer than the first film.
There is some frequent mild violence throughout, and some less frequent strong violence.
A woman is stabbed in the back.
A woman is stabbed in the stomach twice.
A man's head is decapitated by a crystal beam.
A man's dead, pale body is seen, with equations all over his body in marker.
A man stabs multiple people.
A woman stabs a man in the eye. The partially-healed wound is seen later.
A man is sliced apart by many blades by a spinning structure. (Very bloody.)
A man is slowly burnt alive. (This scene is disturbing.)
A woman is shot in the head.
A woman's neck is snapped.
A man attempts to hang himself.
Many bloody corpses are seen in a room.