Use Blink to save a Stalker in a Melee game.
Load a Dropship with a unit that is under attack in an Unranked or Ranked game.
Destroy 10 cloaked or burrowed units in a single Melee game.
Destroy 20 units with a single High Templar in a Melee game.
Kill 15 enemy units with a single Nuke in an Unranked or Ranked game.