A lot of the violence consists of very minimal blood as that is not the main focus of the show
Throughout the series there are many instances of graphic pirate violence and gore Notable examples include...
An intense fight scene between two men that ends with one of the men being beaten to death with bare fists.
The dead man from a fight scene is shown several times in the opening scenes of an episode, one time being pissed on.
In season 4 A woman prostitutes herself for a crew, they don't like her and kill her off screen
A man bites the jugular out of another man during a fight, this scene is quite graphic.
Two men fight and one is knocked unconscious and buried in the sand. The buried man wakes up, finds, and stabs the other man with a stake.
A man leads a pirate crew on a mission that ends in massacre.
A man cuts another man's head off with a dagger.
Two men fight to the death and it ends in decapitation, the severed head is placed on a spike.
A pirate ship opens fire on shore, lots of destruction is seen as well as victims in the rubble.
A woman slices a man's throat as well as stabs a prostitute to death. Also, a man cuts another man's jugular.
A woman is shot in the head. A pirate crew attacks a pirate ship, many are slain violently.
A pirate ship opens fire on shore, lots of destruction is shown. Men fight with swords and guns, many are killed in the chaos. In another storyline, a man is tortured and has his leg badly broken and later removed.
A woman and a man are shot in their bedroom
Two men are executed by gunshots to their heads.
A man crushes another man's head by repeatedly impaling it with a metal peg.
A caravan is attacked and capsized. in the aftermath of the attack two men fight hand-to-hand brutally with the intent to kill one another, but the fight is interrupted by British soldiers.
A man is hanged until dead. The scene is disturbing and somewhat long but similar to the hanging scene in pirates of the Caribbean: at worlds end.
Chaotic scenes of intense war violence, including bloody injury detail.