In quite a lot of episodes, people get tortured for hours and moderate amounts of blood are shown
Seasons four and five are more violent than the other seasons, with the protagonists killing humans now, every death has lots of blood and they imply that several characters get eaten alive
The main character is a vampire and is frequently seen drinking blood.
The protagonists rarely use guns, but favor medieval weaponry.
Some death scenes are quite gruesome, with dismemberments, decapitations and frequent stabbings (vampires turn to ash when they are killed).