Capture 50 enemy units in a single Vortex in a Melee game.
Using Warp Prisms, warp in 50 units in a single Melee game.
Complete all the Economy achievements.
Destroy 20 units with a single High Templar in a Melee game.
Use the A.R.E.S. to kill the Brutalisk in the “Piercing the Shroud” mission on Normal difficulty.