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The first two maps are great:smile54: puzzles + strategy, but I didn't quite understand "Ascension"; I completed it quickly. This map didn't have anything that was characteristic of the previous ones. I want to note one drawback – a portal that has no return path. I had to replay because all the heroes fell into this trap.
Added 22 minutes later
What I found, whether they are bugs or not, is up to you...
1) When approaching the green garrison (almost in the center) with other heroes, they say, "You can't go there; repairs are underway." Howard immediately moves to this garrison. (a convenient portal to the garrison :-).
2) Until you take the green city, the mines taken from it will return to it the next day (perhaps due to a green specialist).
3) When you transform a city into a Necropolis while in the city, the hero is permanently killed.
4) You can only guess about the broken portal in the southeast by intuition, since the horse on it is not active.