Download the song at: http://na.leagueoflegends.com/en/espo...

The battle begins, and sixteen teams across the globe are fighting towards one goal – to win the League of Legends World Championship. To kick off the start of the action, we set out to craft a war cry to rally behind. Whether you’re a solo queue warrior or fighting off the LCS jitters – every moment counts.

"Warriors" -- a creative collaboration by Imagine Dragons and Riot Games

http://www.imaginedragonsmusic.com/