Kill another zealot chef when hit by the Great Equalizer.
Train 10 Marines during the first 320 seconds of a single Melee game.
Destroy the Loki in the “Engine of Destruction” mission on Normal difficulty.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Kill the Brutalisk with lava in "The Devil’s Playground” mission on Normal difficulty.