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Ultimate Efficiency - Barbarian Manual

From Diablo 4 Wiki

The Ultimate Efficiency - Barbarian Manual are pages of themed recipes of affixes that can be applied to Legendary and Rare items at the Blacksmith. They randomly drop in any Difficulty and are stored in your bag until you click to learn them at which point they will be stored in your Codex of Power.

Ultimate Efficiency - Barbarian
Legendary
Resource
  • Casting Ultimate Skills Restores +36 - 45 Primary Resource
  • 13.5 - 22.5% Call of the Ancients Cooldown Reduction
  • 13.5 - 22.5% Iron Maelstrom Cooldown Reduction
  • 10.5 - 15.0% Wrath of the Berserker Cooldown Reduction
Rings and Amulets.
Barbarian
Ultimate Efficiency - Barbarian
Rare
Resource
  • Casting Ultimate Skills Restores +31 - 40 Primary Resource
  • 15.5 - 20.0% Call of the Ancients Cooldown Reduction
  • 15.5 - 20.0% Iron Maelstrom Cooldown Reduction
  • 8.0 - 12.5% Wrath of the Berserker Cooldown Reduction
Rings and Amulets.
Barbarian
Ultimate Efficiency - Barbarian
Magic
Resource
  • Casting Ultimate Skills Restores +26 - 35 Primary Resource
  • 13.0 - 17.5% Call of the Ancients Cooldown Reduction
  • 13.0 - 17.5% Iron Maelstrom Cooldown Reduction
  • 8.0 - 10.0% Wrath of the Berserker Cooldown Reduction
Rings and Amulets.
Barbarian