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The map is really good. The author has talent.
But! I have a couple of suggestions. I don't know how much time I spent skipping the castle and resource gathering. I suggest halving the time (for the dark side) spent collecting slaves/sacrifices. 5 weeks is exhausting.
There's an interesting bug throughout the game (the auto-battle showed a loss, even though I was trying to defeat 20-40 monks or dancing skeletons with my entire army). I had to do it manually.
P.S. The alternative ending (killing everyone) doesn't work. The mages remain friendly.
The Witch is useless. The mages didn't touch my mines (they just hung around and abused the hut with high-level units every week). The pool, which is supposed to provide reinforcements, is useless (it only adds hassle and is annoying). The troops defending the crystals need to be strengthened at least threefold. The only "difficult" battle (I played trying to avoid losses) was the battle for the Mask of Justice (assassins + poison) (in terms of avoiding losses).
Thank you.