Tritons

Tritons are the smallest of the three major races of Nu and the largest military neutral party on the planet. Tritons are known well for their abilities over the weather and their incredible aquatic agility, and because of this both the Locathahs and Grung have actively tried to recruit them for a long time.

Nomadic Culture

Tritons are interesting in that they host enormous nomadic cities under the water. Sometimes hundreds of thousand of triton strong, these mobile states hunt down food and move through trade locations to offer the powers of the depths that they are famous for exploring heavily.

DND Mechanics

Tritons are one of the races I didn't make stats for because they're rather minor in the system, almost very seen past Nu. That said, a modified version of the base DND one would probably work. For an easy fix, simply change the languages section to instead give Nulu and Common as your languages.