Deadmouse performed at the largest tournament in the history of eSports , Dota 2 's competition The International 5 in 2015 .
On August 8 , 2015 , deadmau5 performed live at KeyArena in Seattle at the conclusion of the Dota 2 competition The International 5 ( TI5 ) , the largest ever tournament in eSports to date .
Deadmau5