Kill 15 units trapped in a single Black Hole on Hard difficulty.
Destroy 20 units with Yamato blasts in an Unranked or Ranked game.
Seal all caves with rocks in the “Unsealing the Past” mission less than 40 seconds after Zerg begin to emerge from them.
Complete the “Death from Above” mission in the Heart of the Swarm campaign.
Kill 25 units with a single Hyperion calldown on Hard difficulty with Raynor.