Complete the “Echoes of the Future” mission with Zeratul killing 50 Zerg units on Normal difficulty.
Kill all Protoss in the “A Sinister Turn” mission on Normal difficulty.
Control 15 hallucinations at once in a Melee game.
Destroy 20 units with a single High Templar in a Melee game.
Using Warp Prisms, warp in 50 units in a single Melee game.