Call down 30 MULEs in an Unranked or Ranked game.
While playing as Zerg, warp in a Zealot in a Melee game.
Warp in 5 Zealots during the first 250 seconds of a single Melee game.
Score the rank of Silver in the “Path of Ascension” challenge mission.
Load a Dropship with a unit that is under attack in an Unranked or Ranked game.