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I agree with many on this and other forums: the interface, building pages, hero inventory, and other elements should visually adhere more to the style of the previous Heroes games (since they repeatedly stated that they "took the best from the previous games" and so on).
Regarding the innovation in the pseudo-chess or mini-hero battle arena, I can only hope that the developers don't miss the mark and that it will be something new, distinctive, and very playable (because, as far as I've read, everyone agrees: they developed it and already balanced it, tied it to an 8x10 grid, and as a result, they WON'T CHANGE IT!).
It's a pity that, apart from the protest about the early, unfinished release of the game, the developers seem to have paid little attention to fan opinions; many decisions have been made, and the impression is that there was not enough information about the innovations for the fans (more understanding would have led to fewer hysterics, even if they were unfounded).
And so on, and so on, and so on...
P.S. All of the above is my personal opinion, with great respect for the developers, in the hope that Heroes 5, after its release, will not take into account all the opinions of gamers (THIS IS IMPOSSIBLE!), but will turn out to be a masterpiece that will be appreciated and adored by the whole world. PEACE TO THE WORLD!:)