RTF is a global modification that replaces all towns in the game.

this is certainly interesting, but we will lose the unique feature of Heroes of Might and Magic V with the opening rows of buildings

Well, that's not a big deal.

and this doesn't really fit the base-super base-elite-super elite system

Why? The essence is the same, it just looks much more convenient

Added 7 minutes later
By the way, since we have the Unicorn Empire, let the symbol of the people be not the sun, but a unicorn. And is it possible to change the damage inflicted on creatures by the hero?
So that the base creatures receive one type of damage, the super-base creatures receive another type of damage, and the elite creatures receive a third type of damage.