Efficacy Support

Efficacy SupportSupport, Duration
Icon: a
Level: (1-20)Requires Level 31Supports any skill that deals damage or has a duration.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

Additional Effects From 1-20% Quality:
Supported Skills deal 0.5% increased Damage over TimeSupported Skills have 0.5% increased Skill Effect DurationSupported Skills have 0.5% reduced Mana CostThis 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: 31Vendor Prices

Normal

1x Orb of Chance

Vendor Offer
1x Scroll FragmentMetadata
Item class: Support Gem
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.

Gem level progression

Level			More Spell Damage	More Damage over Time	Incr. Duration	Exp.	Total Exp.
1	8	18	N/A	15%	15%	0	0
2	10	21	N/A	15%	15%	3231	3231
3	13	25	N/A	16%	16%	9569	12800
4	17	31	N/A	16%	16%	28189	40989
5	21	37	N/A	17%	17%	59146	100135
6	25	43	N/A	17%	17%	111192	211327
7	29	49	N/A	18%	18%	193800	405127
8	33	55	N/A	18%	18%	320280	725407
9	37	61	N/A	19%	19%	507839	1233246
10	40	66	N/A	19%	19%	554379	1787625
11	43	70	N/A	20%	20%	755049	2542674
12	46	75	N/A	20%	20%	1016533	3559207
13	49	79	N/A	21%	21%	1898602	5457809
14	52	84	N/A	21%	21%	1964019	7421828
15	55	88	N/A	22%	22%	2573731	9995559
16	58	93	N/A	22%	22%	7610839	17606398
17	61	97	N/A	23%	23%	13436884	31043282
18	64	102	N/A	23%	23%	25050611	56093893
19	67	106	N/A	24%	24%	43867388	99961281
20	70	111	N/A	24%	24%	242078618	342039899
21	72	114	N/A	25%	25%	N/A	N/A
22	74	N/A	N/A	25%	25%	N/A	N/A
23	76	N/A	N/A	26%	26%	N/A	N/A
24	78	N/A	N/A	26%	26%	N/A	N/A
25	80	N/A	N/A	27%	27%	N/A	N/A
26	82	N/A	N/A	27%	27%	N/A	N/A
27	84	N/A	N/A	28%	28%	N/A	N/A
28	86	N/A	N/A	28%	28%	N/A	N/A
29	88	N/A	N/A	29%	29%	N/A	N/A
30	90	N/A	N/A	29%	29%	N/A	N/A
31	91	N/A	N/A	29%	29%	N/A	N/A
32	92	N/A	N/A	30%	30%	N/A	N/A
33	93	N/A	N/A	30%	30%	N/A	N/A
34	94	N/A	N/A	30%	30%	N/A	N/A
35	95	N/A	N/A	30%	30%	N/A	N/A
36	96	N/A	N/A	31%	31%	N/A	N/A
37	97	N/A	N/A	31%	31%	N/A	N/A
38	98	N/A	N/A	31%	31%	N/A	N/A
39	99	N/A	N/A	31%	31%	N/A	N/A
40	100	N/A	N/A	32%	32%	N/A	N/A

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 corrupted support 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:

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: No results found

Version history

Version	Changes
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.