To be honest, I meant "Chaos Dragon" when I said "cows," and I also don't like the magic dragons in Heroes 3, but the bone dragons are good in both games.
But the dragon example was just an example :). There are other creatures too.
In general, I wouldn't say that the graphics of the creatures have changed dramatically. They have changed, of course, but it's not a revolution (do they smell like roses? oranges? :) ).
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