I used a different method, I simply copied the files from the main (level data, story, etc) to the corresponding mod folder, and changes that I make work and are playable. I added a small island next to the start with some orcs to kill, and everything works
until I try to save and load, loading a savegame with the mod causes the game to hang forever
I guess we'll just have to wait on Larian to do much with the campaign, this seems to be a bug
