Overall, I liked the scenario. I'll note a couple of things: it's impossible to approach some objects, for example, the fort on the hill, the library near the castle of the High Elves, one or more mines. Also, in my opinion, it is necessary to strengthen the final opponent, who turned out to be too weak (level 17 against my level 30, although he has a good army).
I have reviewed the map, now all objects in the Elven territory are active, the opponent is level 29, have fun.