Hey all! My campaign world calls for the ability to explore and mine underwater so I wrote up some stats for submarines. Let me know what you think of the mechanics and story!
http://worldbuilderblog.me/2014/09/04/we-all-live-in-a-dragonborn-submarine/
http://worldbuilderblog.me/2014/09/04/we-all-live-in-a-dragonborn-submarine/