The series is mafia-themed with most of the main characters being murderers. There are lots of blood when they kill people.
Vincenzo kills people by shooting them, usually in the head. A lot of blood is present in these scenes.
Vincenzo tortures a man by choking him, removing his thumbnails, and punching him multiple times until his entire face is covered with blood. The man is later seen running with an extremely damaged and bloody face, while Vincenzo is chasing him. Vincenzo kills the man by shooting him in the chest and later in the head, with blood spurting in another character's face.
Vincenzo gets a dream of some of the killings he has done in the past. The sequence contains a lot of blood, murders, dead bodies, torturing, choking, and cutting of body parts.
Their is Infrequent violence in the show. Some episodes barley contain any violence at all. Vincenzo uses both guns and hand-to-hand combat. The show doesn't have many graphic violence scenes. It's mostly just bloodspurting. Their is in fact a torture scene but it's not graphic at all it's just the victim's face covered in blood.
A lot of kidnappings and threatening, albeit some are done in comedic fashion.