Essence Drain

Essence DrainSpell, Projectile, Duration, Chaos, AoE
Level: (1-20)
Cost: (8-23) Mana
Cast Time: 0.70 sec
Critical Strike Chance: 5.00%
Effectiveness of Added Damage: 160%Requires Level 12Fires a projectile that applies a damage over time debuff when it hits. You are healed for a portion of the debuff damage. The debuff is spread by Contagion.Deals (12-776) to (18-1164) Chaos Damage
Deals (42.2-1818.1) Base Chaos Damage per second
Base duration is 3.80 seconds
Modifiers to Spell Damage apply to this Skill's Damage Over Time effect
Regenerate 0.50% of Debuff Damage as Life

Additional Effects From 1-20% Quality:
Regenerate +(0.025-0.5)% of Debuff Damage as LifePlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.

Acquisition
Drop level: 12Metadata
Item class: Skill Gem
Metadata ID: Metadata/Items/Gems/SkillGemEssenceDrain

Essence Drain is a chaos spell that fires a projectile that hits for a small amount of chaos damage and applies a heavy chaos damage over time effect. The spell also causes the player to regenerate a portion of the damage over time as life. Essence Drain interacts favourably with ContagionContagionSpell, AoE, Duration, Chaos
Level: (1-20)
Cost: (5-20) Mana
Cast Time: 0.60 sec
AoE Radius: 20Requires Level 4Unleashes a vile contagion on enemies, dealing chaos damage over time. If an enemy dies while affected by Contagion, the debuff spreads to other enemies.Deals (3.5-235.9) Base Chaos Damage per second
Base duration is 5.00 seconds
Modifiers to Spell Damage apply to this Skill's Damage Over Time effect
Base radius is 1.7 metres
Spreads when affected Enemy dies

Additional Effects From 1-20% Quality:
Base radius is (0.01-0.2) metresPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket., a skill that can spread the damage over time component of Essence Drain to nearby enemies when the afflicted dies.

Skill functions and interactions

• Modifiers to Spell Damage apply to this skill's Damage Over Time Effect: Modifiers to spell damage only affect the damage over time effect of Essence Drain granted by the gem and do not affect other sources of damage over time which may be applied by the skill, such as poison or Decay Support.

• ContagionContagionSpell, AoE, Duration, Chaos
  Level: (1-20)
  Cost: (5-20) Mana
  Cast Time: 0.60 sec
  AoE Radius: 20Requires Level 4Unleashes a vile contagion on enemies, dealing chaos damage over time. If an enemy dies while affected by Contagion, the debuff spreads to other enemies.Deals (3.5-235.9) Base Chaos Damage per second
  Base duration is 5.00 seconds
  Modifiers to Spell Damage apply to this Skill's Damage Over Time effect
  Base radius is 1.7 metres
  Spreads when affected Enemy dies
  
  Additional Effects From 1-20% Quality:
  Base radius is (0.01-0.2) metresPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.: When an enemy affected by both Contagion and Essence Drain dies, Contagion will proc and spread the remaining duration of both effects to nearby enemies.

• Regeneration: The amount of life regenerated from the damage over time caused by Essence Drain is dependent solely on the tooltip damage over time, and not on the actual damage dealt to the enemy. Essence drain will increase the players life regeneration by 0.05 * tooltip DoT per enemy affected. This means that increasing the damage an enemy receives through effects such as DespairDespairSpell, AoE, Duration, Chaos, Curse, Hex
  Level: (1-20)
  Cost: (16-33) Mana
  Cast Time: 0.50 sec
  AoE Radius: 22Requires Level 24Curses all targets in an area, lowering their chaos resistance.Base duration is (8.00-11.80) seconds
  +(0-1) metre to radius
  Cursed enemies have -(15-30)% to Chaos Resistance
  
  Additional Effects From 1-20% Quality:
  (0.5-10)% increased Effect of CursePlace into an item socket of the right colour to gain this skill. Right click to remove from a socket., WitherWitherSpell, AoE, Duration, Chaos, Channelling
  Level: (1-20)
  Cost: (3-9) Mana
  Cast Time: 0.28 secRequires Level 10Casts a debilitating debuff on enemies in an area, hindering their movement and also inflicts the Withered debuff, which increases the Chaos Damage they take and can stack up to 15 times.Withered lasts 2 seconds
  Base duration is 0.50 seconds
  (0-19)% increased Area of Effect
  (30-36)% reduced Movement Speed
  6% increased Chaos Damage taken
  
  Additional Effects From 1-20% Quality:
  (1-20)% increased Skill Effect DurationPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket., or the Occultist Void Beacon notable will not change the amount of regeneration provided by Essence Drain.

• Proxies: Essence Drain can be used by proxy entities such as traps, mines, and totems. Regeneration from Essence Drain will apply to the proxies, not the player.

• Explosion: The explosion added to Essence Drain in 3.6 only occurs on projectile destruction, similar to FireballFireballProjectile, Spell, AoE, Fire
  Level: (1-20)
  Cost: (6-25) Mana
  Cast Time: 0.75 sec
  Critical Strike Chance: 6.00%
  Effectiveness of Added Damage: (260-370)%
  Projectile Speed: 1040
  AoE Radius: 9Unleashes a ball of fire towards a target which explodes, damaging nearby foes.Deals (9-1640) to (14-2460) Fire Damage
  25% chance to Ignite enemies
  Base radius is (0.9-1.4) metres
  
  Additional Effects From 1-20% Quality:
  Base radius is (0.01-0.2) metresPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.'s explosion mechanic. Any enemies that are hit by the projectile before it explodes will still get applied with the essence drain debuff.

Gem level progression

Level				Mana Cost	Chaos Damage per sec	Chaos Damage	Exp.	Total Exp.
1	12	14	21	8	42.2	12 to 18	0	0
2	15	17	25	9	54.6	16 to 24	15249	15249
3	19	21	30	10	75.2	23 to 34	41517	56766
4	23	24	35	11	101.2	31 to 47	81983	138749
5	27	28	41	12	134.6	43 to 64	147968	286717
6	31	32	46	13	176.7	58 to 87	250557	537274
7	35	36	51	14	231.1	77 to 116	405086	942360
8	38	38	55	15	279.2	96 to 144	447718	1390078
9	41	41	59	16	338	118 to 177	615318	2005396
10	44	44	63	16	405	145 to 217	834639	2840035
11	47	47	67	17	486.6	177 to 266	1570760	4410795
12	50	49	71	18	582.8	217 to 325	1633987	6044782
13	53	52	75	19	691.5	264 to 396	2151030	8195812
14	56	55	79	19	823.4	320 to 481	2812189	11008001
15	59	58	83	20	978.2	389 to 583	5099360	16107361
16	62	60	87	21	1159.3	470 to 705	9400731	25508092
17	64	62	90	21	1296.7	533 to 800	15273366	40781458
18	66	64	92	22	1449	605 to 907	26286582	67068040
19	68	66	95	22	1617.8	685 to 1028	62890590	129958630
20	70	68	98	23	1818.1	776 to 1164	212046017	342004647
21	72	70	100	24	2026.6	878 to 1317	—	—
22	74	—	—	24	2257.1	992 to 1489	—	—
23	76	—	—	25	2511.8	1122 to 1682	—	—
24	78	—	—	25	2793.1	1267 to 1900	—	—
25	80	—	—	26	3128.3	1430 to 2145	—	—
26	82	—	—	26	3473.8	1614 to 2420	—	—
27	84	—	—	27	3854.6	1820 to 2730	—	—
28	86	—	—	27	4274.1	2052 to 3077	—	—
29	88	—	—	28	4775.9	2312 to 3468	—	—
30	90	—	—	28	5288.9	2604 to 3906	—	—
31	91	—	—	28	5564.2	2763 to 4144	—	—
32	92	—	—	29	5852.8	2932 to 4397	—	—
33	93	—	—	29	6209.4	3110 to 4665	—	—
34	94	—	—	29	6529.8	3299 to 4949	—	—
35	95	—	—	29	6865.5	3500 to 5249	—	—
36	96	—	—	30	7217.3	3712 to 5568	—	—
37	97	—	—	30	7585.9	3936 to 5905	—	—
38	98	—	—	30	8044.3	4174 to 6262	—	—
39	99	—	—	30	8453	4426 to 6639	—	—
40	100	—	—	31	8880.8	4693 to 7039	—	—

Item acquisition

Essence Drain can drop anywhere.

Recipes

Essence Drain can be created from the following recipes:

Amount	Part	Description	Meta
3	The Bitter BlossomThe Bitter Blossom3Level 21 Chaos Gem Quality: +23% CorruptedThe pain you feel is of no consequence, it is evolution, to be made whole within something greater.	Random corrupted level 21 Chaos gem with 23% quality	A
13	The CataclysmThe Cataclysm13Level 21 Spell Gem CorruptedThe mighty warriors traded in blows, the nimble archers in arrows, yet it was the brazen thaumaturgists who would bring catastrophe to all.	Random corrupted level 21 Spell gem	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 Siren's Cadence 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 Siren's Cadence Act 1 Nessa
A Fixture of Fate Act 3 Siosa
Fallen from Grace Act 6 Lilly Roth

Related helmet enchantments

The following helmet enchantments affect Essence Drain.

Note that helmet enchantments are no longer obtainable since version 3.23.0 and can only be obtained in permanent leagues as already enchanted items from before this patch.

Name		Labyrinth	Stats	Spawn Weighting
Enchantment Essence Drain Damage 1	66	Merciless Labyrinth	25% increased Essence Drain Damage	helmet 100
Enchantment Essence Drain Damage 2	75	Eternal Labyrinth	40% increased Essence Drain Damage	helmet 100
Enchantment Essence Drain Duration 1	66	Merciless Labyrinth	20% increased Essence Drain Duration	helmet 100
Enchantment Essence Drain Duration 2	75	Eternal Labyrinth	30% increased Essence Drain Duration	helmet 100

Alternate skill effects

Essence Drain has the following alternate skill effects:

Item	Description
Arcane Essence Drain EffectArcane Essence Drain EffectSkill Gem EffectYour Essence Drain becomes a blue arcane effect.	Your Essence Drain becomes a blue arcane effect.
Celestial Essence Drain EffectCelestial Essence Drain EffectSkill Gem EffectYour Essence Drain becomes a Celestial Effect.	Your Essence Drain becomes a Celestial Effect.
Project Essence Drain EffectProject Essence Drain EffectSkill Gem EffectYour Essence Drain becomes a Project Effect.	Your Essence Drain becomes a Project Effect.
Scientist Essence Drain EffectScientist Essence Drain EffectSkill Gem EffectYour Essence Drain becomes a Scientist Effect.	Your Essence Drain becomes a Scientist Effect.
Sunprism Essence Drain EffectSunprism Essence Drain EffectSkill Gem EffectYour Essence Drain becomes a Sunprism Effect.	Your Essence Drain becomes a Sunprism Effect.

Version history

Version	Changes
3.25.0	Now deals 12 to 18 Chaos Damage at gem level 1 (previously 9 to 13), scaling up to 776 to 1164 at gem level 20 (previously 644 to 966). It now deals 42.2 Base Chaos Damage per second at gem level 1 (previously 31.2), with values of 1818.1 at gem level 20 (previously 1509.4). Now has 160% Effectiveness of added Damage at all gem levels (previously 140%).
3.23.0	Quality now provides "Regenerate +0.00-0.50% of Debuff Damage as Life", instead of 0-20% increased Chaos Damage.
3.17.0	Essence Drain now deals 9 to 13 Chaos Damage at gem level 1 (previously 9 to 14), up to 644 to 966 at gem level 20 (previously 433 to 649). Now deals 1509.4 Base Chaos Damage per second at gem level 20 (previously 1503.2). Now has 90% Effectiveness of Added Damage at all gem levels (previously 60%).
3.6.0	Mana Cost at gem level 1 is now 8 (was 9). Mana Cost at gem level 20 is now 23 (was 27). Now has a cast time of 0.7 seconds (from 0.75). Now explodes on impact, applying the Essence Drain debuff to enemies in a small radius. This explosion deals no hit damage. As a result of this change, Essence Drain now has the Area gem type. Now deals 9 to 14 Chaos damage at gem level 1 (from 6 to 9) and 433 to 649 Chaos damage at gem level 20 (from 334 to 501). Now deals 31.3 base Chaos damage per second at gem level 1 (from 21.3) and 1503.2 base Chaos damage per second at gem level 20 (from 1159).
3.3.0	Now specifies it cannot be used by traps or mines.
2.1.1c	Fixed an instance crash with Essence Drain [...]. Fixed a bug with Essence Drain spreading between enemies.
2.1.1b	Fixed a bug where players could get the Essence Drain life recovery effect stuck on their character until changing instances.
2.1.1	Essence Drain can now be supported by "Cast On" trigger support gems.
2.1.0	Added to the game.