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I've been looking at the voting, and Axel and Dugald are winning. I think that's fair.
I'd like to point out that players have a great opportunity to take a hero who specializes in a particular troop type (Dugald, Laslo, Axel), and then train the corresponding units – and we get a hero whose ability is significantly enhanced. For example, if Laslo is chosen and he has a large number of trained knights, he is much better than the corresponding dark elf hero (specializing in minotaurs), because the number of enhanced minotaurs is significantly lower.
I believe that this opportunity should not be missed, so I advise you to choose the aforementioned heroes.