Efficacy Support

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Efficacy SupportSupport, Duration
Icon: a
Level: (1-20)
Cost & Reservation Multiplier: 130%
Requires Level 8Supports any skill that deals damage or has a duration.Supported Skills deal (15-24)% more Damage over Time
Supported Skills have (15-24)% increased Skill Effect Duration

Additional Effects per 1% Quality:
Supported Skills deal 0.5% increased Damage over TimeSupported Skills have 0.5% increased Skill Effect DurationSupported Skills have 0.5% reduced Mana Cost
Supported Skills have 0.5% reduced Life Cost
This is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Active Skill Gem you wish to augment. Right click to remove from a socket.
Efficacy Support inventory icon.png
Acquisition
Drop level: 8
Vendor Offer
1x Scroll Fragment
Metadata
Item class: Support Gem
Metadata ID: Metadata/Items/Gems/SupportGemEfficacy

Efficacy Support is support gem that grants more damage over time, and increased skill effect duration.

Skill functions and interactions

  • Supported Skills deal #% more Damage over Time and Supported Skills have #% increased Skill Effect Duration are independent from each other so that an skill may benefit from only one modifier, but another skill may benefits from both.
  • Supported Skills have #% increased Skill Effect Duration This stack additively with Increased Duration SupportIncreased Duration SupportSupport, Duration
    Icon: D
    Level: (1-20)
    Cost & Reservation Multiplier: 130%
    Requires Level 31Supports any skill with a duration.Supported Skills have (45-64)% increased Skill Effect Duration

    Additional Effects per 1% Quality:
    Supported Skills have 0.5% increased Skill Effect Duration
    This is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Active Skill Gem you wish to augment. Right click to remove from a socket.
    and multiply with Less Duration SupportLess Duration SupportSupport, Duration
    Icon: d
    Level: (1-20)
    Cost & Reservation Multiplier: 130%
    Requires Level 31Supports any skill that has a duration.Supported Skills have (40-49)% less Skill Effect Duration
    Supported Skills deal (10-19)% more Damage

    Additional Effects per 1% Quality:
    Supported Skills have 0.5% less Skill Effect Duration
    This is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Active Skill Gem you wish to augment. Right click to remove from a socket.
    's mod.

Gem level progression

LevelRequired LevelRequired IntelligenceMore Damage
over Time
Incr.
Duration
Exp.Total Exp.
181815%15%00
2102115%15%32313231
3132516%16%956912800
4173116%16%2818940989
5213717%17%59146100135
6254317%17%111192211327
7294918%18%193800405127
8335518%18%320280725407
9376119%19%5078391233246
10406619%19%5543791787625
11437020%20%7550492542674
12467520%20%10165333559207
13497921%21%18986025457809
14528421%21%19640197421828
15558822%22%25737319995559
16589322%22%761083917606398
17619723%23%1343688431043282
186410223%23%2505061156093893
196710624%24%4386738899961281
207011124%24%242078618342039899
217211425%25%N/AN/A
2274N/A25%25%N/AN/A
2376N/A26%26%N/AN/A
2478N/A26%26%N/AN/A
2580N/A27%27%N/AN/A
2682N/A27%27%N/AN/A
2784N/A28%28%N/AN/A
2886N/A28%28%N/AN/A
2988N/A29%29%N/AN/A
3090N/A29%29%N/AN/A
3191N/A29%29%N/AN/A
3292N/A30%30%N/AN/A
3393N/A30%30%N/AN/A
3494N/A30%30%N/AN/A
3595N/A30%30%N/AN/A
3696N/A31%31%N/AN/A
3797N/A31%31%N/AN/A
3898N/A31%31%N/AN/A
3999N/A31%31%N/AN/A
40100N/A32%32%N/AN/A

Gem quality

TypeStats (per 1% quality)Weight
SuperiorSupported Skills deal 0.5% increased Damage over Time50
AnomalousSupported Skills have 0.5% increased Skill Effect Duration100
DivergentSupported Skills have 0.5% reduced Mana Cost
Supported Skills have 0.5% reduced Life Cost
100

Item acquisition
Questionmark.png

Efficacy Support can drop anywhere.

Recipes

Efficacy Support can be created from the following recipes:

AmountPartDescriptionMeta
9Gift of the Gemling QueenGift of the Gemling QueenGift of the Gemling Queen card art.png9Level 20 Support GemOur Lady Dialla,
as a symbol of our progress,
shines greater than all the gems.
Random level 20 support gemA
7Dialla's SubjugationDialla's SubjugationDialla's Subjugation card art.png7Support Gem
Quality: +23%
Corrupted
A symbol of beauty and innocence
The gems corrupted her mind
Malachai corrupted her gems
All but a glimmer of
greatness lost in madness
Random corrupted support gem with 23% qualityA
6The FoxThe FoxThe Fox card art.png6Level 20 Gem"Masters of wit, strength and cunning. To survive the harsh winters, you must be like the fox."
- Ezomyte Proverb
Random level 20 gemA
8Dying AnguishDying AnguishDying Anguish card art.png8Level 19 Gem
Alternate Quality: +19%
Moribund, he gazed upon the journey taken as blood trickled down his chin. His eye closed on the city ahead that he would never call home.
Random level 19 gem with 19% alternative qualityA
8The HookThe HookThe Hook card art.png8Level 21 Gem
Alternate Quality: +23%
Corrupted
Every obsession began with a single, innocent taste.
Random corrupted level 21 gem with 23% alternative qualityA
3Gemcutter's PromiseGemcutter's PromiseGemcutter's Promise card art.png3Gem
Quality: +20%
"I swore to use my position to help the people. What good is power when it just accumulates on the already-powerful?" - Erasmus, Imperial Gemcutter
Random gem with 20% qualityA
1Gemcutter's IncubatorGemcutter's IncubatorStack Size: 10Adds an incubated Quality Gem item to an equippable item
Item drops after killing {0} monsters
Right click this item then left click an item to apply it. The Incubated item drops after killing a specific number of monsters.
Shift click to unstack.
Random gem with 1–20% qualityA
1The VoidThe VoidThe Void card art.png1Reach into the Void and claim your prize.Random divination card set exchangeA

Quest reward

This item is given as a quest reward for the following quests:

Class →WitchShadowRangerDuelistMarauderTemplarScion
Quest ↓
The Caged Brute
Act 1

Vendor reward

This item can be bought at the listed NPC vendors, after completing the following quests:

Class →WitchShadowRangerDuelistMarauderTemplarScion
Quest ↓
The Caged Brute
Act 1
Nessa
A Fixture of Fate
Act 3
Siosa
Fallen from Grace
Act 6
Lilly Roth

Related modifiers

The following modifiers are related to Efficacy Support:

NameFor generated item/monster modifiers the minimum item/monster level respectively. Some generation types may not require this condition to be met, however item level restrictions may be raised to 80% of this value.StatsSpawn Weighting
The Elder's68(45-52)% increased Spell Damage
Socketed Gems are Supported by Level 16 Efficacy
sceptre_elder 400
rune_dagger_elder 400
wand_elder 400
default 0
The Elder's75(53-56)% increased Spell Damage
Socketed Gems are Supported by Level 18 Efficacy
sceptre_elder 200
rune_dagger_elder 200
wand_elder 200
default 0
The Elder's80(57-60)% increased Spell Damage
Socketed Gems are Supported by Level 20 Efficacy
sceptre_elder 100
rune_dagger_elder 100
wand_elder 100
default 0

Related unique items

The following unique items are related to Efficacy Support:

ItemBase ItemRequired levelStats
Forbidden ShakoForbidden Shako
Great Crown
Armour: (143-161)
Energy Shield: (29-33)
Requires Level 68, 59 Str, 59 IntSocketed Gems are Supported by Level (1-10) <random Support Gem>
Socketed Gems are Supported by Level (25-35) <random Support Gem>
+(25-30) to all Attributes
The Azmeri must never touch the Tears of Maji, lest Viridi weep.
Great Crown68Socketed Gems are Supported by Level (1-10) <random Support Gem>
Socketed Gems are Supported by Level (25-35) <random Support Gem>
+(25-30) to all Attributes
The Hungry LoopThe Hungry Loop
Unset Ring
Requires Level 70Has 1 SocketConsumes Socketed Uncorrupted Support Gems when they reach Maximum Level
Can Consume 4 Uncorrupted Support Gems
Has not Consumed any Gems
<Consumed support gem modifier>
Be careful where you put your finger.
Unset Ring70Has 1 SocketConsumes Socketed Uncorrupted Support Gems when they reach Maximum Level
Can Consume 4 Uncorrupted Support Gems
Has not Consumed any Gems
<Consumed support gem modifier>
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Added Chaos Damage
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Added Cold Damage
Socketed Gems are Supported by Level 20 Added Fire Damage
Has Consumed 1 Gem
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Added Lightning Damage
Has Consumed 1 Gem
Socketed Gems are supported by Level 20 Additional Accuracy
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Arcane Surge
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Archmage
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Arrow Nova
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Added Chaos Damage
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Added Cold Damage
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Added Fire Damage
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Added Lightning Damage
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Ancestral Call
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Arrow Nova
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Blasphemy
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Brutality
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Burning Damage
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Cast On Critical Strike
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Cast While Channelling
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Chain
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Cold Penetration
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Controlled Destruction
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Hextouch
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Deadly Ailments
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Elemental Focus
Has Consumed 1 Gem
Socketed Gems are Supported by Level 4 Awakened Empower
Has Consumed 1 Gem
Socketed Gems are Supported by Level 4 Awakened Enhance
Has Consumed 1 Gem
Socketed Gems are Supported by Level 4 Awakened Enlighten
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Fire Penetration
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Fork
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Generosity
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Greater Multiple Projectiles
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Increased Area Of Effect
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Lightning Penetration
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Melee Physical Damage
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Melee Splash
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Minion Damage
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Multistrike
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Spell Cascade
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Spell Echo
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Swift Affliction
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Unbound Ailments
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Unleash
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Vicious Projectiles
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Void Manipulation
Has Consumed 1 Gem
Socketed Gems are Supported by Level 5 Awakened Elemental Damage With Attacks
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Barrage
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Behead
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Blasphemy
Has Consumed 1 Gem
Socketed Gems are supported by Level 20 Blind
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Bloodlust
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Arrogance
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Bloodthirst
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Bonechill
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Brutality
Has Consumed 1 Gem
Socketed Gems are supported by Level 20 Cast On Critical Strike
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Cast when Damage Taken
Has Consumed 1 Gem
Socketed Gems are supported by Level 20 Cast on Death
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Cast On Melee Kill
Has Consumed 1 Gem
Socketed Gems are supported by Level 20 Cast when Stunned
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Cast While Channelling
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Chain
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Chance To Bleed
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Combustion
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Withering Touch
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Charged Mines
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Close Combat
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Cluster Trap
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Cold Penetration
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Cold to Fire
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Concentrated Effect
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Controlled Destruction
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Culling Strike
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Hextouch
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Deadly Ailments
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Predator
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Decay
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Divine Blessing
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Earthbreaker
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Efficacy
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Elemental Focus
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Elemental Penetration
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Elemental Proliferation
Has Consumed 1 Gem
Socketed Gems are Supported by Level 3 Empower
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Endurance Charge on Melee Stun
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Energy Leech
Has Consumed 1 Gem
Socketed Gems are Supported by Level 3 Enhance
Has Consumed 1 Gem
Socketed Gems are Supported by Level 3 Enlighten
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Eternal Blessing
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Faster Attacks
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Faster Casting
Has Consumed 1 Gem
Socketed Gems are supported by Level 20 Faster Projectiles
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Feeding Frenzy
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Fire Penetration
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Fist of War
Has Consumed 1 Gem
Socketed Gems are supported by Level 20 Chance to Flee
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Focused Ballista
Has Consumed 1 Gem
Socketed Gems are supported by Level 20 Fork
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Fortify
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Cruelty
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Charged Traps
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Generosity
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Greater Multiple Projectiles
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Greater Volley
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Hypothermia
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Ice Bite
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Ignite Proliferation
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Immolate
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Impale
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Impending Doom
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Increased Area of Effect
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Burning Damage
Has Consumed 1 Gem
Socketed Gems are supported by Level 20 Increased Critical Damage
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Increased Critical Strikes
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Increased Duration
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Minion Damage
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Minion Life
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Minion Speed
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Infernal Legion
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Innervate
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Iron Grip
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Iron Will
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Item Quantity
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Item Rarity
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Knockback
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Lesser Multiple Projectiles
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Chance to Poison
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Life Gain On Hit
Has Consumed 1 Gem
Socketed Gems are supported by Level 20 Life Leech
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Lifetap
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Lightning Penetration
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Maim
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Mana Leech
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Mark On Hit
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Meat Shield
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Damage On Full Life
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Melee Physical Damage
Has Consumed 1 Gem
Socketed Gems are supported by Level 20 Melee Splash
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Minefield
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Mirage Archer
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Spell Echo
Has Consumed 1 Gem
Socketed Gems are supported by Level 20 Multistrike
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Multiple Totems
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Multiple Traps
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Nightblade
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Onslaught
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Volley
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Vicious Projectiles
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Physical To Lightning
Has Consumed 1 Gem
Socketed Gems are supported by Level 20 Pierce
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Pinpoint
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Point Blank
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Critical Strike Affliction
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Power Charge On Critical Strike
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Pulverise
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Rage
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Ballista Totem
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Swift Affliction
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Block Chance Reduction
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Less Duration
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Inspiration
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Blastchain Mine
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 High-Impact Mine
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Ruthless
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Second Wind
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Shockwave
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Slower Projectiles
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Spell Cascade
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Intensify
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Spell Totem
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Ancestral Call
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Infused Channelling
Has Consumed 1 Gem
Socketed Gems are supported by Level 20 Stun
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Elemental Army Support
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Summon Phantasm
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Swift Assembly
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Swiftbrand
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Trap
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Trap And Mine Damage
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Advanced Traps
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Trinity
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Unbound Ailments
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Unleash
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Urgent Orders
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Vile Toxins
Has Consumed 1 Gem
Socketed Gems are Supported by Level 20 Void Manipulation
Has Consumed 1 Gem
Socketed Gems are supported by Level 20 Elemental Damage with Attacks

Version history

Version Changes
3.15.0d
  • Efficacy Support now has a Cost and Reservation Multiplier of 130% (previously 140%).
3.15.0
  • Now has a 140% Cost and Reservation Multiplier (previously 130%).
  • No longer has “Supported Skills deal 10-20% more Spell Damage”.
  • Supported Skills now have 15-24% increased Duration (previously 10-16%).
3.13.0
  • Now requires level 8 at gem level 1 (from 31).
  • Now causes supported skills to deal 10% more damage over time at gem level 1 (from 15%), up to 24% at gem level 20 (no change).
  • Efficacy Support is now offered to the Witch for completing The Caged Brute, and can be purchased from Nessa by the Templar, Shadow and Scion.
3.12.0
  • Now has alternative gem quality.
3.0.2
  • Efficacy Support now correctly supports Damage over Time effects.
3.0.0
  • Introduced to the game.

References