This makes it incredibly effective against large groups of enemies. In short, the Whirlwind Barbarian build is designed to hit as many opponents as possible with a single skill: Whirlwind. Diablo 4 Whirlwind Barbarian build explained Right, now let’s kick off with the best Barbarian build in Diablo 4. While many Diablo 4 fans may flood to the Necromancer build, mainly because it knows how to summon a golem, or perhaps a Sorcerer build or Rogue build, the Barbarian class is not to be overlooked and with the right tweaks could well be one of your favourite classes in the game. No, we’re not exaggerating the so-called Whirlwind Barbarian build has you twirling across the battlefield like a mini-vortex, destroying absolutely anyone and anything unfortunate enough to stand in your way. The best Diablo 4 Barbarian build transforms your bulky melee fighter into a ballerina of doom. Looking for the best Diablo 4 Barbarian build? Then you’ve come to the right place.