Use Blink to save a Stalker in a Melee game.
Win 5 Team Unranked or Ranked games in a row.
Destroy a total of 100 enemy units in Free-for-All Quick Match games.
Destroy 10 cloaked or burrowed units in a single Melee game.
Kill 50 supply worth of units within 15 seconds in a Melee game.