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I replayed the corrected version and completed it with a hero in 125 days (I received a cyclops). It's a pleasant map, but the challenge is only really felt in the final battle with the buffed Kari (level 35, 23-34-42-26, 72 dragons, 143 jarls, over 1000 bears, and other units). I initially tried to rush him, but realized it was a mistake. I went to the mentor and, after much trial and error, acquired spellcasting to speed up the spells, because Kari was able to dispel them before they took effect. Then, as someone correctly pointed out, I locked him in a castle with paladins, giving them vampirism (which worked great), and started a long battle. After about an hour (with reloads), the buffed Kari was defeated, and the game ended. But the quest remained unfulfilled, which is strange. The other gnomes didn't stand out to me. Maybe I should have strengthened the orange one and made him more active? Overall, thank you to the author for their work.