A set of content for folks in ocean-themed campaigns. Includes:
1 New Race (The Selkie, a shapeshifting race of aquatic humanoids).
4 New Subraces (for Aasimar, Dragonborn, Dwarves, and Gnomes).
3 New Subclasses (the Druid's "Circle of the Sea", the Fighter's "Mariner", and the Warlock's "Deep Forgotten" patron).