Bowmore
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Yes, there is a way. Open MMH55-SETTINGS.pak in <game folder>/data
The file consists of variables that allow tweaking the global balance and enabling/disabling some of the game features. It also allows lowering the initial adventure sites' strength level. Check this guide on how to edit the pak file.
Wow, thank you.
Added after 1 hour 53 minutes
Wow, thank you.
Also, there's a Necropolis hero, Caspar, he moves way too slow on the adventure map compared to other heroes.