I have seen this fleet defeat more opponents than any other because the special abilities of these ships makes them very powerful indeed. The Black Ark is the biggest and deadliest of all Man O' War's and most enemy have a hard time at  sinking or scuttling this huge vessel. The greatest weakness of this truly evil race are the sea serpents that carry the army across the seas because they will often flee to the depths of the oceans taking the helpless masters with them.