Many thanks for your feedback. We really love it that you are liking the art and the idea of our game :)
You are right that the game isn't currently explained very well and we are sorry for this, but unfortunately we needed to crunch a lot to finish it in time.
In case you didn't find out how to assign a hero for a quest:
Currently you can assign a hero by selecting one of the regions/places on the map. Afterwards you should be able to select a quest by clicking on a "quest-card" on the right side of the screen (I mean the cards within the panel on the right side of the screen). A window should open, where you should be able to choose a hero :)
In case you mean that you didn't really know which hero might be the best for a given quest:
We also agree that we didn't really explained this in the game, but we plan to update the game as soon as its possible according to the GMTK-Jams rules. Hopefully it will be better then :D
So if you'd like to, don't hesitate to give it another try as soon as the update releases :)
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https://itch.io/jam/post-jam-jam-7 this jam. I joined it too. I'm updating my game slowly :)))