Score the rank of Gold in all the challenge missions.
Complete the “Echoes of the Future” mission with Zeratul killing 50 Zerg units on Normal difficulty.
Complete the “Maw of the Void” mission without losing a unit inside the Rip-Field on Hard difficulty.
Complete the Wings of Liberty campaign under 8 hours of total played mission time on Normal difficulty.
Regenerate 500 shield energy on a single unit without taking friendly fire in an Unranked or Ranked game.