Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Hold a Xel’Naga Tower for 5 consecutive minutes in an Unranked or Ranked game.
Score the rank of Gold in the “Opening Gambit” challenge mission.
Score the rank of Gold in all the challenge missions.
Win 5 1v1 Unranked or Ranked games in a row.