Battle.net

Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.

Destroy 40 units with a single unit in an Unranked or Ranked game.

Kill 50 supply worth of units within 15 seconds in a Melee game.

Win 5 3v3 Versus A.I. games in a row against Elite opponents.

Kill 5 Changelings in an Unranked or Ranked game.