The Black Harbinger is a powerful skeleton War Frigate in service of Jolly Roger. This vessel carries three deck cannons and seven broadside cannons on each side.
In addition to traditional ammunition, they often attack with Fury rounds. They can be found around Padres Del Fuego and Outcast Isle/Isla Tormenta.
These powerful warships appear at levels 35-37.
- Harbinger means a presage of what is to come.-Merriam Webster