Best Gear and Diablo 4 Items for Upheaval Barbarian The right gear is essential to maximize the potential of your build. Here are the Diablo 4 Items to prioritize: Weapon: Hellhammer The Hellhammer is the linchpin of this build. This Mythic Unique weapon increases the size and damage of Upheaval while offering bonuses to skill points with the right Greater Affix. If you're lucky enough to...