Destroy an enemy Command Center, Hatchery, or Nexus while it is under construction in an Unranked or Ranked game.
Cancel construction of a structure that is being destroyed by an opponent in a Melee game.
Hold a Xel’Naga Tower for 5 consecutive minutes in an Unranked or Ranked game.
Win 3 Team Unranked or Ranked games in a row.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.