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1. This is just my personal opinion; you don't have to read it. I just had to get it off my chest. Did you even open the map in the game? I've always been amazed by people who, before playing the map properly, "break" it with the editor and check every corner.
2. The map's idea is based on the plot – to show the player what they will face next. As for the goal... without embellishment – to reach the sanctuary in the upper left corner.
3. Yes, the design in the map is just a movement restriction. But what would be the point if I didn't restrict it? The space would still be empty; I haven't learned how to fill it yet, and GSC (Guard, Scout, Conquer) would be pointless.
4. There are seven battles on the map. If you want, you can win in four battles (without taking the dwellings of demons and horned beasts from the vampires and skeletons): 2 battles with emeralds at the forks (4 and 9), 2 battles with elementals guarding "Urghash's Will" (I'm not sure exactly, but I think 50+ fire elementals are on the ring, and 50+ earth elementals are on the helmet).
5. The essence of the map is the same as in C1M1 of the original game, except that you'll have to play for longer %), and besides, this is a groundwork for a future campaign. I hope so. One thing makes me happy – the idea of demons under the command of a mage worked out well.
6. Yes, this is indeed the first map. Also, it is physically impossible to reach a higher level on the map; I've checked it many times. Above level 13 – no way.
7. Thank you for the good luck and inspiration!
P.S. Honestly, when people start criticizing based on their first attempts, it kills all desire to do anything and to develop in this direction at all.
Sincerely.