I don't think my knowledge of mod creation is sufficient to easily understand what you mean just by looking at the creatures you've created. Could you please provide a bit more specific information about this effect?
Just in case, I'm not saying this for no reason! Everything is analyzed through comparison! Many people have been able to do it! So you can do it too! There's nothing complicated about it! I promise!

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Неудачное планирование ведёт к неудаче ...
NCF - мод, добавляющий дополнительных существ в HeroesV 3.1