He has been competing in eSports in the real-time strategy games Warcraft III and Warcraft III: The Frozen Throne as well as Wings of Liberty and Heart of the Swarm. 2.4 Return to Korea (Winter 2012 - Spring 2013).2.3 Pushing the Grubby line (Fall 2012 – Winter 2012).2.2 Round-Trip Between Europe and North America (Fall 2011 – Summer 2012).2.1 Transition to StarCraft II and Korea (Winter 2011 – Fall 2011).