Diablo 4 [Random] Aspect of Efficiency

Aspect of Efficiency is a Resource Legendary Aspect for Sorcerer in Diablo 4. When you cast a Basic Skill, your next Core or Mastery Skill has its Mana cost reduced by 35–50%, enabling mana loop sustain, burst layering, and elite denial in high-output builds.

“Let simplicity fuel power."

Note: This is a random roll Aspect. While exact stat ranges may vary, our team always prioritizes high-value rolls to ensure optimal performance and build flexibility.

Aspect of Efficiency Effects

• Casting a Basic Skill → reduces Mana cost of next Core or Mastery Skill by 35–50%

• Type: Resource | Class: Sorcerer

• Imprintable Slots: Ring only

How to Get Aspect of Efficiency

• Codex Unlock

  • Complete Domhainne Tunnels Dungeon in Scosglen

  • Located west of Corbach, in the Strand region

  • Codex version rolls minimum value

• Drop Source

  • Appears randomly on Legendary item drops

  • Can be extracted at the Occultist (single-use only)

• Farming Tip

  • Farm Rings via Obols at Purveyor of Curiosities (only slot with Resource Aspects)

  • Run Nightmare Dungeons, World Events, and World Bosses for random drops

Aspect of Efficiency Build Synergy

• Fire & Ice Sorcerer Build

  • Alternates Basic and Core casts for mana sustain

  • Supports glyph uptime and elite pressure

• Hydra Sustain Build

  • Combines Efficiency with Incendiary and Prodigy's

  • Enables orb-fed loops and cooldown chaining

• Meteor Burst Build

  • Uses Basic triggers to fuel Meteor and Mastery casts

  • Enhances AoE layering and boss denial

Recommended Aspect Pairings

• Prodigy's Aspect – Cooldown use → restores Mana

• Incendiary Aspect – Burning damage → chance to restore Mana

• Elementalist's Aspect – ≥100 Mana cast → bonus Crit Chance

• Aspect of Control – Crowd-controlled enemies → bonus damage

Aspect of Efficiency FAQs

How to get Aspect of Efficiency in Diablo 4?

Complete the Domhainne Tunnels Dungeon in Scosglen to unlock the Codex version (low roll), or loot a Legendary item with this Aspect and extract it at the Occultist for single-use imprinting. It can appear on Rings only.

Does Aspect of Efficiency require Basic Skills to be equipped?

Yes. You must cast a Basic Skill to trigger the Mana cost reduction on your next Core or Mastery Skill. The Aspect modifies cast sequencing directly.

What build benefits most from Aspect of Efficiency?

Sorcerer builds like Fire & Ice, Hydra Sustain, and Meteor Burst use it to scale resource uptime, trigger orb-fed loops, and enhance elite pressure.

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