In the Chinese versions , I heard that Mandarin is spoken by the empire , and Cantonese is spoken by the rebels
I strongly doubt that, seeing Mandarin and Cantonese are practically two different languages (the same way, say, Spanish and German are different languages).
"One of the bitches actually gave birth while she was attacking, and her puppies joined in on the carnage."
--the awesomeness that is Boatmurdered.