WizardNazyr
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indeed - a flat landscape is not ideal.
Added 2 minutes ago
It makes sense to rework the landscape, and in general, since you like making remakes so much: I would play "Whirlwinds of War" (I once made a multiplayer version of the siege of Rilos with five armies for Heroes 4).
I was thinking about Heroes 4, but there are difficulties like heroes moving without armies or multiple heroes in one squad.