Complete the “Echoes of the Future” mission with Zeratul killing 50 Zerg units on Normal difficulty.
Destroy all Rip-Field Generators in the “Maw of the Void” mission on Normal difficulty.
Destroy 40 units with a single unit in an Unranked or Ranked game.
Capture 50 enemy units in a single Vortex in a Melee game.
Train 10 Marines during the first 320 seconds of a single Melee game.