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I've taken a look. I'm not satisfied. The interior of the Castle is grey and unimpressive. Rocks would have been more appropriate. Here, the atmosphere is one of oppression, alienation, and lack of refinement. The hero is unremarkable. The goblins are an unsuccessful copy of Dark Messiah, although that's only from a profile view. Obviously, they will look better from above. Centaurs are alien to my understanding; I would have made them differently.
The Barbarian orcs, for the most part, are quite decent compared to others. The female shaman is well-done, but her upgrade has a male face and a female body... Hmm...
The wyvern seems to use textures from a horned demon. Sloppy work. But she will surely be a half-demon in the Nival version.
In short, mediocre. I get the impression that Nival decided to make the orcs in an African style. Not right.