I think king mad it more violent to keep it in line with the other films.  Plus there isn't that much action in the first half of the proper book.  Certainly not enough for a 3 hour movie.

WARK!

Thus Spoketh Winterclaw: a blog about a Winterclaw who speaks from time to time.

 

(using Poser Pro 2014 SR3, on 64 bit Win 7, poser units are inches.)