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They turned out fine. They aren't clowns performing at fairs and in circuses. They gathered for war and shouldn't be bright and colorful. The harpies, however, look like parrots, which is very bad.
P.S. I looked at the cyclops... they turned out too fat, and it's clear that there's much more demonic in them than from bandits and whoever else they were mixed with. And how they sew bandages for them and even paint skulls for them, like Easter eggs. Oh, lol.
They killed me in Heroes 5 with colorful skulls hanging from the braid of the necromancer hero, like a keychain. Here, the cyclops are decorated with colorful skulls, and that's despite the developers saying that Heroes 6 would be darker and more atmospheric. Well, yes, colorful shards look very terrifying and gloomy.