Probably one of the biggest change that is going to happen when the Cataclysm expansion comes out is the implementation of the Mastery Stat System. For those who have been stuck in-game and have not even browsed the internet about the upcoming expansion, Blizzard is bringing in the Mastery System, a set of new game mechanics that will allow players to make their chosen talent trees more unique. Here’s how the system works: As you spend points in a given talent tree, you’ll receive three different passive bonuses specific to that tree. The first bonus will increase your damage, healing, or survivability, depending on the intended role of the tree. Read more »