This is game is officially launched in 2008. Due to high in demand this games increases his fan base day by day
There is no additional charges in this game. You don’t need to purchase the game.
But in case if you are planning to upgrade then you have to pay £34.99 for North rend Heroic or £59.99 for North rend Epic.
If you are upgrade this game it means you have approximately 70+ more Character to play.