Aspect of Efficiency效能之威能
Legendary Aspect · Resource
Legendary power
Lucky Hit: Cast Basic Skills have up to a [35.0 - 50.0]% chance to make your next Core Skill cost no Primary Resource, stacks up to 3 times.
Aspect of Efficiency
Subscribe to DiabloS Updates
Enable browser notifications to stay updated on new seasons and critical loot filter changes without checking manually.
What you will receive:
- Season launch dates, countdowns, and meta build tier lists
- Loot filter major rule updates and emergency patch fixes
- Official patch note highlights and balance mechanics
What we will NOT send:
- No commercial ads, sponsorships, or promotions
- No unrelated content outside of Diablo
- No spamming. Skipping notifications does not affect website access.
Next step: Clicking "Enable Notifications" below will open a browser prompt. Please select "Allow" to finish.
Note: Android & desktop browsers support direct subscription. iOS users must first "Add to Home Screen" via Safari.
On this page
Current overview
Current availability, classification, evidence coverage, and observed build usage.
- Current season
- S15
- Availability
- Available
- Type
- Resource
- Classes
- All Classes
- Build adoption
- Not observed
- Observed builds
- N/A
Patch History
Only verified changes with a traceable source are included.
- SEASONS13
Fixed an issue where the Aspect of Efficiency consumed resources when only one stack remained.
Fixed an issue where the Aspect of Efficiency consumed too many stacks when used with the Shattered Path Frozen Orb Skill Variant.
- SEASONS5
Aspect of Efficiency changed the following attribute.
- Mana Cost Reduction
- Before
10-25%After35-50%
- SEASONS1
Aspect of Efficiency changed the following attribute.
- Aspect of Efficiency Mana cost reduction
- Before
10-20%After15-25%, and now also affects Mastery Skills
Data sources
Versioned sources used to verify this page.
- Diablo IV Patch Notes (1.0 - 1.2)Blizzard Entertainment
- Diablo IV 1.5.0 Patch NotesBlizzard Entertainment
- Diablo IV Patch Notes (3.0)Blizzard Entertainment
- Diablo IV client data, Build 42942Lothrik
Data coverage
Verified seasons, official changes, and observed build samples.
- First observed
- S0
- Sources
- 4
- S15Currentsnapshot
- S14snapshot
- S132 changes
- S51 changes
- S11 changes
- S0snapshot
S15 Blue Posts
Site update log
- S15 full data refresh: build rankings expanded to 203 builds, with updated uniques, runewords, talismans and War Plan points.
- Loot filter 0927 update: added "Hide GA Magic/Rare" toggle to endgame preset with seamless mode guide linkage; affix-matched drops stay highlighted while unmatched clutter is cleanly hidden.
- Loot filter upgrade: added top-priority 3-4 GA God-tier Crimson highlight to both presets; jewelry and gloves recolored to high-contrast Electric Lime; endgame adds two optional toggles (Hide 1-GA Gear and Hide 0-GA Uniques).
Season status
- Current season
- S15 Hell's Legacy
- Estimated window
- Next season
- S16Date not announced
Season end date is an estimate until Blizzard confirms it.