This game will kill WoW, and I know why. Most of the games subscribers come from Asia, this being said, everyone knows they prefer PvP to PvE. So when WAR comes out and there's another major MMO on the market that offers MUCH BETTER PvP, they wont stay around in WoW to do PvP. At the same time you'll be getting the western players who either enjoy PvP or want a fresh and and something new. All these players will be leaving WoW, that's going to be atleast half of their playerbase. The only ones left will be the people who don't have money and or are enjoying the PvE provided by WoW.