Raynor risks a lot to make his credits. Diving in Lava, stealing relics guarded by psycho zealot Protoss groups... the man has cheated death multiple times. Those credits need to be spent wisely to make the most of your forces in the campaign, and picking the right upgrades is critical to a smooth survival on the hardest difficulties and final missions of the campaign in StarCraft II!

So browse our Campaign Armory Upgrade Guide to make the right investments of your credits!