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Kill 50 units with a single Penetrator Round in the “Belly of the Beast” mission on Hard difficulty.

Use the Artifact no more than once in the “All In” mission on Hard difficulty.

Use the A.R.E.S. to kill the Brutalisk in the “Piercing the Shroud” mission on Normal difficulty.

Purchase StarCraft II Wings of Liberty Collector’s Edition.

Complete all 29 Wings of Liberty campaign missions on Brutal difficulty.