- "Open 30 treasure chests"
Resembles a typical Pirate Captain seen in old films.
The quickest way to obtain this skin would be to purchase a Necklace of Farsight and explore the surface of survival trying to find cave systems. Do this on a few different maps and should have no problem getting the skin, although it is very time consuming.
The default text for the Pirate Avatar Skin when it is placed by a NPC block block is "Ahoy. X marks the spot?"