Question: how does breaking dawn part 2 end?
Answer: Not in my mind. At the end of Breaking Dawn the book, Edward explains to the remaining vampires — the Cullens, Nauel, and Huilen — how they escaped the Volturi mostly unscathed. “Alice gave Aro the excuse he needed to get out of the fight. ... “The Volturi haven't found a fair fight in about twenty-five hundred years.