Battle.net

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

Win 5 Team Unranked or Ranked games in a row.

Kill 5 Changelings in an Unranked or Ranked game.

Finish a Qualification Round with an undefeated record.

Destroy 10 cloaked or burrowed units in a single Melee game.