Use Apocalypse to kill 50 enemy units or structures in a single mission.
Complete 20 Heart of the Swarm campaign missions on Hard difficulty.
Don’t let Dehaka die while destroying a Power Link in the “Death From Above” mission on Normal difficulty.
Use the Artifact no more than once in the “All In” mission on Hard difficulty.
Win a 1v1 game of ’StarJeweled’ against a Very Hard A.I. opponent.