Destroy 3 Augustgrad Gates before the 5th Bile Launcher lands in the “Planetfall” mission on Normal difficulty.
Complete all the Unranked / Ranked Combat achievements.
Use the A.R.E.S. to kill the Brutalisk in the “Piercing the Shroud” mission on Normal difficulty.
Complete the following Race Versus A.I. achievements.
Kill 50 units with a single Penetrator Round in the “Belly of the Beast” mission on Hard difficulty.