Win 5 1v1 Unranked or Ranked games in a row.
Finished a season in the Top 25 of a Team Diamond Division.
Complete the “Echoes of the Future” mission with Zeratul killing 50 Zerg units on Normal difficulty.
Score the rank of Gold in the “For the Swarm” challenge mission.
Morph 20 Zerglings during the first 255 seconds of a single Melee game.