Four years and four films later, “The Twilight Saga” is finally coming to an end. That fact is hard to take for the legions of fans of the franchise, based on the best-selling trilogy by Stephenie Meyer.

But an even harsher reality awaits them at the cinema. “Breaking Dawn — Part 2” is as sickly sweet as the half-novel on which it’s based — but it’s also far more brutal. Even viewers who braved the vampire birth scene from “Breaking Dawn — Part 1” won’t be expecting the gory violence they’ll see.