I believe that battlefield tactics are the most significant element, because if you can't break through crypts, Dwarf Cottages, take Dragon Utopias, beat strong blocks, then nothing else will save you.

I call taking such objects (Dwarf Cottages, crypts especially) "technical actions". That is, you just need to memorize the setup and movements of each turn. And what is much harder (again, for me in the novice tournament it was like this) is making decisions such as whether to attack on the third ГО, or go into the treasure zone... and the correct spreading out, building a chain so that the scout heroes reclaim resources and the main hero gets all the important things done — that's where the meaning of the game lies, that's where the difference between a top player and an average one will be...