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Exactly. I mean exploiting the infinite turn bug. With this bug, you can actually complete a map quickly... although I think it only takes about 20+ days.
Exploiting the turn points bug:
Approach the boat, remove the rider's boots and gloves, get into the boat barefoot. Put on the boots and gloves and disembark. Repeat as many times as you want. Note that there is a limit: overflowing the variable will cancel the turn points. Therefore, after the 10th disembarkation, it is better to save.
The mana point limit is bypassed as follows: near the water is the city of Griffinrock. There, we hire a hero, increase the turn points, visit all available upgrades, and then the well, and we have a ready-made combat character who can further advance the storyline. When he runs out of mana, just hire another one. In my opinion, it's boring and uninteresting, since the enemy's troops mainly appear through events.
Added 4 minutes later
Marmot, I hope the latest version of the guide will help you with your next attempt to complete the map. There will be no continuation for a long time, unfortunately, due to lack of time.