Score the rank of Gold in all the challenge missions.
Destroy 40 units with a single unit in an Unranked or Ranked game.
Finished a season in the top 50 of a 1v1 Gold Division.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Win a 1 vs 4 Multiplayer Custom Game with no Allies against 4 Medium A.I. opponents.