I don’t think people will learn to associate the letters “PTSD” with your custom set. I would use “SoD” for Seas of Doom, or PotSoD.
El Resuelto’s second ability seems pointless when the first sinking gives her rank-1 cannons for (presumably) the rest of the game.
Friendly ships within L of this ship get +S to their base move.
This is simply not an ability that should exist… it would be very easy to sandwich the ship between 2 (or more) 10 masters and give them even more speed. It’s an OP ability that makes OP ships more OP. I suggest limiting it to one friendly ship, probably only within S, and still increase the cost to a minimum of 15.