Destroy 20 units with a single High Templar in a Melee game.
Use Blink to save a Stalker in a Melee game.
Warp in 100 units with Warp Gates in an Unranked or Ranked game.
Destroy 10 cloaked or burrowed units in a single Melee game.
Hold a Xel’Naga Tower for 5 consecutive minutes in an Unranked or Ranked game.