"AS THE WORLD FALLS DOWN," CONCLUSION-This is it: the final chapter in MARCO B. BUCCI and JACOPO CAMAGNI's urban-fantasy opus is here, and it's as shocking and ruthless as you would expect. Becky is drunk with magic, and her rage won't discern enemies from friends. Tragedy is just a few pages away. Death, guilt, and retribution will follow. This is the end after all. Or is it?