New patch is ready to be played.
Among lots of fixes, we have spent a lot of time to improve the Heroes system in the game.
-[changed] Heroes: Removed additional attacks. Added progression system and lots of new abilities. Added tiered abilities. Heroes now have access to all spells.
Full changelog and discussion can be found here:
http://steamcommunity.com/app/265970/discussions/0/620696522106570952/
It is also worth to mention that among other things, we are working on Hot Seat mode.