Mutate each Zerg unit in the Evolution Pit.
Complete the “Infested” mission in the Heart of the Swarm campaign.
Destroy 10 cloaked or burrowed units in a single Melee game.
Win 5 Team Unranked or Ranked games in a row.
Reach the Prison Deck with Kerrigan in less than 8 minutes in the “Conviction” mission on Normal difficulty.