Complete the Wings of Liberty campaign.
Complete the “Echoes of the Future” mission with Zeratul killing 50 Zerg units on Normal difficulty.
Kill 150 Zerg units with the Artifact in the “All In” mission on Normal difficulty.
Score the rank of Gold in the “Path of Ascension” challenge mission.
Have 9 Protoss units warping in simultaneously in an Unranked or Ranked game.