Efficacy Support
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Item acquisition
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
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.
Acquisition
Drop level: 8Vendor Offer
1x Scroll FragmentMetadata
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 benefit 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 DurationThis 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 deal (10-19)% more Damage
Supported Skills have (40-49)% less Skill Effect Duration
Additional Effects per 1% Quality:
Supported Skills have 0.5% less Skill Effect DurationThis 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
| Level |  |  | More Damage over Time | Incr. Duration | Exp. | Total Exp. |
|---|---|---|---|---|---|---|
| 1 | 8 | 18 | 15% | 15% | 0 | 0 |
| 2 | 10 | 21 | 15% | 15% | 3231 | 3231 |
| 3 | 13 | 25 | 16% | 16% | 9569 | 12800 |
| 4 | 17 | 31 | 16% | 16% | 28189 | 40989 |
| 5 | 21 | 37 | 17% | 17% | 59146 | 100135 |
| 6 | 25 | 43 | 17% | 17% | 111192 | 211327 |
| 7 | 29 | 49 | 18% | 18% | 193800 | 405127 |
| 8 | 33 | 55 | 18% | 18% | 320280 | 725407 |
| 9 | 37 | 61 | 19% | 19% | 507839 | 1233246 |
| 10 | 40 | 66 | 19% | 19% | 554379 | 1787625 |
| 11 | 43 | 70 | 20% | 20% | 755049 | 2542674 |
| 12 | 46 | 75 | 20% | 20% | 1016533 | 3559207 |
| 13 | 49 | 79 | 21% | 21% | 1898602 | 5457809 |
| 14 | 52 | 84 | 21% | 21% | 1964019 | 7421828 |
| 15 | 55 | 88 | 22% | 22% | 2573731 | 9995559 |
| 16 | 58 | 93 | 22% | 22% | 7610839 | 17606398 |
| 17 | 61 | 97 | 23% | 23% | 13436884 | 31043282 |
| 18 | 64 | 102 | 23% | 23% | 25050611 | 56093893 |
| 19 | 67 | 106 | 24% | 24% | 43867388 | 99961281 |
| 20 | 70 | 111 | 24% | 24% | 242078618 | 342039899 |
| 21 | 72 | 114 | 25% | 25% | N/A | N/A |
| 22 | 74 | N/A | 25% | 25% | N/A | N/A |
| 23 | 76 | N/A | 26% | 26% | N/A | N/A |
| 24 | 78 | N/A | 26% | 26% | N/A | N/A |
| 25 | 80 | N/A | 27% | 27% | N/A | N/A |
| 26 | 82 | N/A | 27% | 27% | N/A | N/A |
| 27 | 84 | N/A | 28% | 28% | N/A | N/A |
| 28 | 86 | N/A | 28% | 28% | N/A | N/A |
| 29 | 88 | N/A | 29% | 29% | N/A | N/A |
| 30 | 90 | N/A | 29% | 29% | N/A | N/A |
| 31 | 91 | N/A | 29% | 29% | N/A | N/A |
| 32 | 92 | N/A | 30% | 30% | N/A | N/A |
| 33 | 93 | N/A | 30% | 30% | N/A | N/A |
| 34 | 94 | N/A | 30% | 30% | N/A | N/A |
| 35 | 95 | N/A | 30% | 30% | N/A | N/A |
| 36 | 96 | N/A | 31% | 31% | N/A | N/A |
| 37 | 97 | N/A | 31% | 31% | N/A | N/A |
| 38 | 98 | N/A | 31% | 31% | N/A | N/A |
| 39 | 99 | N/A | 31% | 31% | N/A | N/A |
| 40 | 100 | N/A | 32% | 32% | N/A | N/A |
Gem quality
| Type | Stats (per 1% quality) | Weight |
|---|---|---|
| Superior | Supported Skills deal 0.5% increased Damage over Time | 50 |
| Anomalous | Supported Skills have 0.5% increased Skill Effect Duration | 100 |
| Divergent | Supported Skills have 0.5% reduced Mana Cost Supported Skills have 0.5% reduced Life Cost | 100 |
Item acquisition
Efficacy Support can drop anywhere.
Recipes
Efficacy Support can be created from the following recipes:
| Amount | Part | Description | Meta |
|---|---|---|---|
| 9 |  Gift of the Gemling Queen Gift of the Gemling Queen 9Level 20 Support GemOur Lady Dialla,as a symbol of our progress, shines greater than all the gems.  | Random level 20 support gem | A |
| 7 | Dialla's Subjugation Dialla's Subjugation 7Support GemQuality: +23% CorruptedA 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% quality | A |
| 6 | The Fox The Fox 6Level 20 Gem"Masters of wit, strength and cunning. To survive the harsh winters, you must be like the fox."- Ezomyte Proverb | Random level 20 gem | A |
| 8 | Dying Anguish Dying Anguish 8Level 19 GemAlternate 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 quality | A |
| 8 | The Hook The Hook 8Level 21 GemAlternate Quality: +23% CorruptedEvery obsession began with a single, innocent taste. | Random corrupted level 21 gem with 23% alternative quality | A |
| 3 | Gemcutter's Promise Gemcutter's Promise 3GemQuality: +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% quality | A |
| 1 |  Gemcutter's IncubatorGemcutter's IncubatorStack Size: 10Adds an incubated Quality Gem item to an equippable itemItem drops after killing {0} monstersRight 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% quality | A |
| 1 | The Void The Void 1Reach into the Void and claim your prize. | Random divination card set exchange | A |
Quest reward
This item is given as a quest reward for the following quests:
| Class → | Witch | Shadow | Ranger | Duelist | Marauder | Templar | Scion |
|---|---|---|---|---|---|---|---|
| Quest ↓ | |||||||
| The Caged Brute Act 1 | ✓ | ✗ | ✗ | ✗ | ✗ | ✗ | ✗ |
Vendor reward
This item can be bought at the listed NPC vendors, after completing the following quests:
| Class → | Witch | Shadow | Ranger | Duelist | Marauder | Templar | Scion |
|---|---|---|---|---|---|---|---|
| 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:
| Name | | Stats | Spawn Weighting |
|---|---|---|---|
| The Elder's | 68 | (45-52)% increased Spell Damage Socketed Gems are Supported by Level 16 Efficacy | sceptre_elder 400 rune_dagger_elder 400 wand_elder 400 |
Related unique items
The following unique items are related to Efficacy Support:
| Item | Base Item | | Stats | ||
|---|---|---|---|---|---|
Forbidden Shako Forbidden ShakoGreat CrownArmour: (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 AttributesThe Azmeri must never touch the Tears of Maji, lest Viridi weep.  | Great Crown | 68 | Socketed 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 Loop The Hungry LoopUnset RingRequires 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 Ring | 70 | Has 1 SocketConsumes Socketed Uncorrupted Support Gems when they reach Maximum Level Can Consume 4 Uncorrupted Support Gems Has not Consumed any Gems
|
Version history
| Version | Changes |
|---|---|
| 3.15.0d |
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| 3.15.0 |
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| 3.13.0 |
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| 3.12.0 |
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| 3.0.2 |
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| 3.0.0 |
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