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.
Complete any 25 rounds in “StarCraft Master".
Destroy an enemy Command Center, Hatchery, or Nexus while it is under construction in an Unranked or Ranked game.
Win 3 1v1 Unranked or Ranked games in a row.