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Efficacy Support

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Efficacy SupportSupport, Duration
Icon: a
Mana Multiplier: 130%
Requires Level 31Supports any skill that deals damage or has a duration.Per 1% Quality:
Supported Skills deal 0.5% increased Damage over Time
Supported Skills deal (10-20)% more Spell Damage
Supported Skills deal (15-24)% more Damage over Time
Supported Skills have (10-16)% 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.
Efficacy Support inventory icon.png
Acquisition
Level: 31
Purchase Costs
Normal1x Orb of Chance
Sell Price
1x Scroll Fragment
Miscellaneous
Item class: Support Skill Gems
Metadata ID: Metadata/Items/Gems/SupportGemEfficacy

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

Skill functions and interactions

Gem level progression

LevelLvl.intelligenceMore Spell
Damage
More Damage
over Time
Incr.
Duration
Exp.Total Exp.
1315210%15%10%00
2345711%15%10%285,815285,815
3366011%16%10%252,595538,410
4386312%16%11%314,394852,804
5406612%17%11%388,7341,241,538
6426913%17%11%477,4371,718,975
7447213%18%12%583,7862,302,761
8467514%18%12%710,3593,013,120
9487814%19%12%1,355,5114,368,631
10508115%19%13%1,138,8775,507,508
11528415%20%13%1,368,2336,875,741
12548716%20%13%1,638,3388,514,079
13569016%21%14%1,956,64810,470,727
14589317%21%14%3,655,18414,125,911
15609617%22%14%3,017,32717,143,238
16629918%22%15%7,720,12624,863,364
176410218%23%15%15,058,45539,921,819
186610519%23%15%25,964,21865,886,037
196810819%24%16%62,460,771128,346,808
207011120%24%16%211,508,743339,855,551
217211420%25%16%N/AN/A
2274N/A21%25%17%N/AN/A
2376N/A21%26%17%N/AN/A
2478N/A22%26%17%N/AN/A
2580N/A22%27%18%N/AN/A
2682N/A23%27%18%N/AN/A
2784N/A23%28%18%N/AN/A
2886N/A24%28%19%N/AN/A
2988N/A24%29%19%N/AN/A
3090N/A25%29%19%N/AN/A
3191N/A25%29%19%N/AN/A
3292N/A25%30%20%N/AN/A
3393N/A25%30%20%N/AN/A
3494N/A26%30%20%N/AN/A
3595N/A26%30%20%N/AN/A
3696N/A26%31%20%N/AN/A
3797N/A26%31%20%N/AN/A
3898N/A27%31%21%N/AN/A
3999N/A27%31%21%N/AN/A
40100N/A27%32%21%N/AN/A

Item acquisition
Questionmark.png

Upgrade paths

This item can be acquired through the following upgrade paths or vendor recipes:

AmountIngredientGeneral
Notes
Type
9Gift of the Gemling QueenGift of the Gemling Queen9Level 20 Support GemOur Lady Dialla,
as a symbol of our progress,
shines greater than all the gems.
random level 20 Support gemAutomatic
7Dialla's SubjugationDialla's Subjugation7Superior Support 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 superior Support gem (Q23)Automatic
6The FoxThe Fox6Level 20 Gem"Masters of wit, strength and cunning. To survive the harsh winters, you must be like the fox."
- Ezomyte Proverb
random level 20 gemAutomatic
3Gemcutter's PromiseGemcutter's Promise3Superior Gem
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 superior gem (Q20)Automatic

Quest reward

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

Class →WitchShadowRangerDuelistMarauderTemplarScion
Quest ↓
A Fixture of Fate
Act 3

Vendor reward

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

Class →WitchShadowRangerDuelistMarauderTemplarScion
Quest ↓
A Fixture of Fate
Act 3
Clarissa
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
Eldritch68(45-52)% increased Spell Damage
Socketed Gems are Supported by Level 16 Efficacy
attack_dagger 0
no_caster_mods 0
sceptre_elder 400
dagger_elder 400
wand_elder 400
default 0
Eldritch75(53-56)% increased Spell Damage
Socketed Gems are Supported by Level 18 Efficacy
attack_dagger 0
no_caster_mods 0
sceptre_elder 200
dagger_elder 200
wand_elder 200
default 0
Eldritch80(57-60)% increased Spell Damage
Socketed Gems are Supported by Level 20 Efficacy
attack_dagger 0
no_caster_mods 0
sceptre_elder 100
dagger_elder 500
wand_elder 500
default 0

Version history

Version Changes
3.0.2
  • Efficacy Support now correctly supports Damage over Time effects.
3.0.0
  • Introduced to the game.

References