Some violence can be bloody and disturbing.
Wolves attacking people can be brutal and gory as there will be body parts lying around or have disturbing details of the bodies seen by people such as lungs protruding from body.
There will be many fight scenes throughout the series. People, who possess the power to change into werewolves, can be trained and may possess brutal strength to fend off their opponents. Some with little to no blood and some can be bloody.