Before you start every mission in Helldivers II, you’ll have to take a moment to select four stratagems to equip for your next series of tasks. Each one goes in a square slot at the bottom of the screen, but what about the fifth slot? Well, it turns out that the hexagon has its own unique purpose. Furthermore, once you realize how to fill it with a booster, you’re going to have another advantage that helps you to stand out from the pack in this competitive squad shooter.