Battle.net

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

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

While playing as Zerg, warp in a Zealot in a Melee game.

Destroy 20 units with Sniper Rounds in an Unranked or Ranked game.

Destroy 20 units with Yamato blasts in an Unranked or Ranked game.