Capture 50 enemy units in a single Vortex in a Melee game.
Using Warp Prisms, warp in 50 units in a single Melee game.
Destroy 20 units with a single High Templar in a Melee game.
Warp in 100 units with Warp Gates in an Unranked or Ranked game.
Use Blink to save a Stalker in a Melee game.