Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Score the rank of Silver in the “Path of Ascension” challenge mission.
Destroy 2 Command Centers in the “Hand of Darkness” mission.
Hold a Xel’Naga Tower for 5 consecutive minutes in an Unranked or Ranked game.
Win 5 1v1 Matchmaking Unranked or Ranked games.