A lot of things are going to change in Diablo 3: Reaper of Souls and one of these will be the new Paragon 2.0 system. The system was implemented to provide players with some form of tangible benefit for killing lots of monsters even if they were unlucky with items loot.
via N4G: pc news feed http://n4g.com/news/1360283/diablo-3-reaper-of-souls-paragon-2-0-and-the-king
via N4G: pc news feed http://n4g.com/news/1360283/diablo-3-reaper-of-souls-paragon-2-0-and-the-king