It should be, but no not exactly. It’s based off of several concept arts both from the RTS and various art books, and modern wow models like Vol’Jin. They mashed them all together then took creative liberties with a bunch of the pieces not making a single one of them better than the piece they were based on but instead making them worse and if anything stripping cultural heritage from them instead of adding.
I break down all the artistic sources for each piece in this post.