You can create a nation with the command /k nation create <nationname>, this will cost 500$. Set a kingdom as your nation capital with /k nation capital <kingdomname>. Place your nation nexus with /k nation nexus, you have to place the nation nexus in a claimed area that is not your kingdoms nexus claim.
Action | Cost | Command | |
---|---|---|---|
Create | 500 | ||
Rename | 50 |