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 From 1-20% Quality: Supported Skills deal (0.5-10)% increased Damage over TimeThis 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 Skill Gem you wish to augment. Right click to remove from a socket.
Acquisition Drop level: 8Metadata Item class: Support Gem Metadata ID: Metadata/Items/Gems/SupportGemEfficacy
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 stacks multiplicatively with More Duration SupportMore Duration SupportSupport, Duration Icon: D Level: (1-20) Cost & Reservation Multiplier: 130%Requires Level 31Supports any skill with a duration.Supported Skills have (30-39)% more Skill Effect Duration
Additional Effects From 1-20% Quality: Supported Skills have (0.5-10)% more 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 Skill Gem you wish to augment. Right click to remove from a socket. and 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 From 1-20% Quality: Supported Skills have (0.5-10)% 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 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%
—
—
22
74
—
25%
25%
—
—
23
76
—
26%
26%
—
—
24
78
—
26%
26%
—
—
25
80
—
27%
27%
—
—
26
82
—
27%
27%
—
—
27
84
—
28%
28%
—
—
28
86
—
28%
28%
—
—
29
88
—
29%
29%
—
—
30
90
—
29%
29%
—
—
31
91
—
29%
29%
—
—
32
92
—
30%
30%
—
—
33
93
—
30%
30%
—
—
34
94
—
30%
30%
—
—
35
95
—
30%
30%
—
—
36
96
—
31%
31%
—
—
37
97
—
31%
31%
—
—
38
98
—
31%
31%
—
—
39
99
—
31%
31%
—
—
40
100
—
32%
32%
—
—
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 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 gem
A
7
Dialla's SubjugationDialla's Subjugation7Support Gem Quality:+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 corruptedsupport gem with 23% quality
A
6
The 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 gem
A
3
Gemcutter's PromiseGemcutter's Promise3Gem 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% quality
A
1
Gemcutter's IncubatorGemcutter's IncubatorStack Size: 10Adds an incubated Quality Gem item to an equippable item Item 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.
Random gem with 1–20% quality
A
1
The VoidThe Void1Reach 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:
The following modifiers are related to Efficacy Support:
No results found
Related unique items
The following unique items are related to Efficacy Support:
Item
Base item
Stats
Forbidden ShakoForbidden Shako Great 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.
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 LoopThe Hungry Loop Unset 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.
(Hotfix 3) Changed Alternate Quality effects on the Support Gems: Lesser Multiple ProjectilesLesser Multiple Projectiles SupportSupport, Projectile Icon: l Level: (1-20) Cost & Reservation Multiplier: 130%Requires Level 8Supports projectile skills.Supported Skills deal (15-6)% less Projectile Damage Supported Skills fire 2 additional Projectiles
Additional Effects From 1-20% Quality: Supported Skills deal (0.5-10)% increased Projectile DamageThis 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 Skill Gem you wish to augment. Right click to remove from a socket., Greater Multiple ProjectilesGreater Multiple Projectiles SupportSupport, Projectile Icon: P Level: (1-20) Cost & Reservation Multiplier: 150%Requires Level 38Supports projectile skills.Supported Skills deal (35-26)% less Projectile Damage Supported Skills fire 4 additional Projectiles
Additional Effects From 1-20% Quality: Supported Skills deal (0.5-10)% increased Projectile DamageThis 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 Skill Gem you wish to augment. Right click to remove from a socket., Increased DurationMore Duration SupportSupport, Duration Icon: D Level: (1-20) Cost & Reservation Multiplier: 130%Requires Level 31Supports any skill with a duration.Supported Skills have (30-39)% more Skill Effect Duration
Additional Effects From 1-20% Quality: Supported Skills have (0.5-10)% more 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 Skill Gem you wish to augment. Right click to remove from a socket., Trap and Mine DamageTrap and Mine Damage SupportSupport, Trap, Mine Icon: W Level: (1-20) Cost & Reservation Multiplier: 130%Requires Level 18Supports skills which throw Traps or Mines.Supported Skills deal (30-49)% more Trap and Mine Damage Supported Skills have 10% less Mine Throwing Speed Supported Skills have 10% less Trap Throwing Speed
Additional Effects From 1-20% Quality: Supported Skills deal (0.5-10)% increased DamageThis 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 Skill Gem you wish to augment. Right click to remove from a socket., and EfficacyEfficacy 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 From 1-20% Quality: Supported Skills deal (0.5-10)% increased Damage over TimeThis 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 Skill Gem you wish to augment. Right click to remove from a socket. from 'Reduced Cost of Skills' to 'Reduced Life and Mana Cost of Skills' to prevent unlimited uses of some Vaal Skills.
More Duration SupportMore Duration SupportSupport, Duration
and 
Less Duration SupportLess Duration SupportSupport, Duration
's mod.
Gift of the Gemling Queen
Gift of the Gemling Queen
9Level 20 Support GemOur Lady Dialla,
Dialla's Subjugation
7Support Gem
The Fox
6Level 20 Gem"Masters of wit, strength and cunning. To survive the harsh winters, you must be like the fox."
Gemcutter's Promise
3Gem
Gemcutter's IncubatorGemcutter's IncubatorStack Size: 10Adds an incubated Quality Gem item to an equippable item
The Void
1Reach into the Void and claim your prize.
Forbidden Shako
The Hungry Loop
