If you meant to ask where to find it or whether it’s safe/legal — I can’t help with piracy links, but I can tell you that for personal archiving from legal sources, WEB-DL HEVC is a good balance of quality and size.
The cinematography of Black Sails is breathtaking—from the turquoise waters of the Caribbean to the soot-stained streets of Nassau. Black Sails Season 3 Complete 720p WEB-DL HEVC X265
This format handles the dark, atmospheric scenes (like the storm in Episode 2) with much less "banding" or pixelation, keeping the shadows crisp. The Battle of Maroon Island If you meant to ask where to find
Sourced directly from a digital streaming platform (like Starz or Amazon). Black Sails Season 3 Complete 720p WEB-DL HEVC X265