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Is this the final version of the Campaign in the link, or will it still be undergoing further refinement?
I've already played through three Campaigns: Arandor, Death of Pops, and Pandora. Overall, it's quite interesting and diverse, but the only downside is that the hero levels vary significantly. Arandor has the lowest level, even though I think I collected almost everything on the map. Death of Pops has a hero that's incredibly powerful, with a level almost 10 points higher.
Pandora can also be developed quite well...
It's a shame that you have to level up through Warfare... it's the easiest option. There's a lack of diversity in this regard. There aren't really any armies, or rather, there's not much point in spending money on them...
Although I leveled up Pandora through Order, it's more difficult, but more interesting. And she doesn't become a "manc."