[Sombre]

Like I said, you can't do much other than modifying the units (default pretenders) themselves, which messes things up for all other nations. So if you wanted to make a mod nation which didn't have the default set of pretenders, you'd have to make new copies for every other nation in the game so they still had the defaults.

If all you want to do is mod the pretender selection of 3 nations or something and you don't care what happens to the others, it's doable by modifying the default pretender units, yeah.