Hold a Xel’Naga Tower for 5 consecutive minutes in an Unranked or Ranked game.
Destroy the Loki in the “Engine of Destruction” mission on Normal difficulty.
Destroy 10 cloaked or burrowed units in a single Melee game.
Kill 15 enemy units with a single Nuke in an Unranked or Ranked game.
Win 5 Team Unranked or Ranked games in a row.