While the spelling seems Greek, the mythological inspiration is the Germanic Nixie.
We have one of those coming soon.
Not caring for nyx to much... I get pairing with exploder is best but with GW hard to do that really....
Nice. Slavic mythology is fun! A Baba Yaga mythic troop would be amazing.
Plus, "Vodyanoi" is just one of those words that's pleasing to say. Vodyanoi. Vodyanoi. Vodyanoi. Also "Aspidochelone".