Monster Power

Diablo 3 1.0.5: Blizzard details Monster Power feature

Diablo 3 update 1.0.5 will add a new Monster Power feature, which will allow players to tweak the difficulty of enemies to suit their desired difficulty. Many factors can be edited, from enemy health, attacking power and more, which in turn results in better loot drops. Blizzard has discusses the feature in greater detail.