Hold out until 1.8 billion Zerg arrive on Shakuras in the “Last Stand” mission on Normal difficulty.
Complete 20 Heart of the Swarm campaign missions on Hard difficulty.
Reach Kerrigan Level 70 in the Heart of the Swarm campaign.
While playing as Zerg, warp in a Zealot in a Melee game.
Reach level 15 with Phase-Smith Karax in Co-op Missions.