MMO Gaming MouseDeveloped for World of Warcraft players by SteelSeries and Blizzard Entertainment, the World of Warcraft: Cataclysm MMO Gaming Mouse invokes the iconic imagery of Death wing the Destroyer, leader of the black dragon flight and instigator of the Cataclysm. The SteelSeries World of Warcraft: Cataclysm MMO Gaming Mouse is fully scalable to meet and exceed the requirements of even the most demanding World of Warcraft gamer.