What is this 'super reward'? (ARAM: Mayhem)

Trying out a completely new Augment in ARAM: Mayhem. ➤ Music: Dominion by League of Legends Song Link: https://open.spotify.com/track/1HutE7... Courtesy of Riot Games ➤ Send me your replays here: [email protected] ➤ Follow me on Twitter:   / vandiril   I’m part of the official League Partner Program with Riot Games. You can read about the program here: https://partners.leagueoflegends.com/...