Well, Blizzard even made the model of that Celestial Mallet that is over thousands of years old.
Anyway on some images the mallet looks broken...]
Anduin sound: http://www.youtube.com/watch?v=2HtCVeYnkY0
There is also the new model of Vuljin, but no textures, or I can't find them Still he good cool Warcraft Witchdoctor spell that you can look.