Battle.net

Destroy 20 units with a single High Templar in a Melee game.

Capture 50 enemy units in a single Vortex in a Melee game.

Control 15 hallucinations at once in a Melee game.

Absorb 1,000 damage with hallucinations in an Unranked or Ranked game.

Use Blink to save a Stalker in a Melee game.