Nothing justifies stealing art and calling it your own.
Even their Bretonnians, which do look great, have stolen elements. All of the symbols are scanned from army books. A big no-no that was already discussed here.
The Kislevs looks good, but they don't look 'Warhammer Kislevs.' They look like a Russian mary-sue forcibly placed into the setting.
If you want to play their mod, download it. I personally don't support it.
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