Efficacy Support

Efficacy Support Efficacy Support is a support gem.

Supports any skill that deals damage or has a duration.

Support, Duration. Level: 1–20. Cost & Reservation Multiplier: 130%. Requires Level 8.

  • 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.

NameAdditional Effects From QualityWeight
Efficacy SupportSupported Skills deal (0–10)% increased Damage over Time50

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Related Gems

Level Effect

LevelRequires LevelIntelligenceSupported Skills deal 15% more Damage over TimeSupported Skills have 15% increased Skill Effect DurationExperience
181815153,231
2102115159,569
31325161628,189
41731161659,146
521371717111,192
625431717193,800
729491818320,280
833551818507,839
937611919554,379
1040661919755,049
11437020201,016,533
12467520201,898,602
13497921211,964,019
14528421212,573,731
15558822227,610,839
165893222213,436,884
176197232325,050,611
1864102232343,867,388
19671062424242,078,618
20701112424
21722525
22742525
23762626
24782626
25802727
26822727
27842828
28862828
29882929
30902929
31912929
32923030
33933030
34943030
35953030
36963131
37973131
38983131
39993131
401003232

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 Support and multiply with Less Duration Support's mod.

Item acquisition

Efficacy Support can drop anywhere. Drop level: 8.

Recipes

Efficacy Support can be created from the following recipes:

Amount Part Description
9 Gift of the Gemling Queen Random level 20 support gem
7 Dialla's Subjugation Random corrupted support gem with 23% quality
6 The Fox Random level 20 gem
8 Dying Anguish Random level 19 gem with 19% alternative quality
8 The Hook Random corrupted level 21 gem with 23% alternative quality
3 Gemcutter's Promise Random gem with 20% quality
1 Gemcutter's Incubator Random gem with 1–20% quality
1 The Void Random divination card set exchange

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 Level 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
default 0
The Elder's 75 (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's 80 (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:

Item Base Item Level Stats
Forbidden Shako 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 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

Path of Exile Gems