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: 90%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 (31.2-1509.4) Base Chaos Damage per second
Regenerate 0.5% of Debuff Damage as Life
Base duration is 3.8 seconds
Deals (9-644) to (13-966) Chaos Damage
Modifiers to Spell Damage apply to this Skill's Damage Over Time effect

Additional Effects From 1-20% Quality:
1% increased Chaos DamageRegenerate 0.01% of Debuff Damage as Life5% increased Damage with HitsPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.

Acquisition
Drop level: 12Vendor Offer
1x Scroll FragmentMetadata
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.

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 0.005 * 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.

• Traps and Mines: Essence Drain can not be supported by Trap SupportTrap SupportSupport, Trap
  Icon: T
  Level: (1-20)
  Cost & Reservation Multiplier: 120%Requires Level 8Supports spells, or attacks that use bows or wands. Instead of using that skill, you will throw a trap that will use the skill for you when an enemy walks near it. Traps cannot use channelling skills.Supported Attack Skills cannot be used with Melee Weapons
  Trap lasts 4 seconds
  Supported Skills deal (20-6)% less Trap Damage
  Supported Skills have (0-19)% increased Trap Throwing Speed
  
  Additional Effects From 1-20% Quality:
  Supported Skills deal (0.5-10)% increased Trap 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 Blastchain Mine SupportBlastchain Mine SupportSupport, Mine
  Icon: Y
  Level: (1-20)
  Cost & Reservation Multiplier: 50%Requires Level 8Supports spells, or attacks that use bows or wands. Instead of using that skill, you will throw a mine that will use the skill for you when you detonate it. Mines cannot use channelling skills.Supported Attack Skills cannot be used with Melee Weapons
  Supported Skills deal (59-53)% less Damage
  Mine lasts 5 seconds
  Supported Skills have a Base Mine Detonation Time of 0.25 seconds
  Supported Skills gain a Base Reservation equal to Base Mana and Life Cost
  Supported Skills deal 5% more Damage for each prior Mine in Detonation Sequence
  
  Additional Effects From 1-20% Quality:
  (0.5-10)% increased Mine 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..

• 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: 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	31.2	9 to 13	0	0
2	15	17	25	9	40.6	12 to 18	15249	15249
3	19	21	30	10	56.4	17 to 25	41517	56766
4	23	24	35	11	76.5	24 to 36	81983	138749
5	27	28	41	12	102.5	33 to 49	147968	286717
6	31	32	46	13	135.7	44 to 67	250557	537274
7	35	36	51	14	178.9	60 to 90	405086	942360
8	38	38	55	15	217.5	75 to 112	447718	1390078
9	41	41	59	16	264.8	92 to 139	615318	2005396
10	44	44	63	16	319.2	114 to 171	834639	2840035
11	47	47	67	17	385.9	141 to 211	1570760	4410795
12	50	49	71	18	464.9	173 to 259	1633987	6044782
13	53	52	75	19	554.9	212 to 318	2151030	8195812
14	56	55	79	19	664.8	259 to 388	2812189	11008001
15	59	58	83	20	794.5	316 to 473	5099360	16107361
16	62	60	87	21	947.2	384 to 576	9400731	25508092
17	64	62	90	21	1063.7	438 to 656	15273366	40781458
18	66	64	92	22	1193.4	498 to 747	26286582	67068040
19	68	66	95	22	1337.8	567 to 850	62890590	129958630
20	70	68	98	23	1509.4	644 to 966	212046017	342004647
21	72	70	100	24	1689.2	732 to 1097	N/A	N/A
22	74	N/A	N/A	24	1888.9	831 to 1246	N/A	N/A
23	76	N/A	N/A	25	2110.5	942 to 1414	N/A	N/A
24	78	N/A	N/A	25	2356.2	1069 to 1603	N/A	N/A
25	80	N/A	N/A	26	2649.6	1211 to 1817	N/A	N/A
26	82	N/A	N/A	26	2954	1372 to 2058	N/A	N/A
27	84	N/A	N/A	27	3290.9	1554 to 2331	N/A	N/A
28	86	N/A	N/A	27	3663.6	1759 to 2638	N/A	N/A
29	88	N/A	N/A	28	4110.1	1989 to 2984	N/A	N/A
30	90	N/A	N/A	28	4569.8	2250 to 3375	N/A	N/A
31	91	N/A	N/A	28	4817.3	2392 to 3588	N/A	N/A
32	92	N/A	N/A	29	5077.4	2543 to 3815	N/A	N/A
33	93	N/A	N/A	29	5397.5	2703 to 4055	N/A	N/A
34	94	N/A	N/A	29	5687.3	2874 to 4310	N/A	N/A
35	95	N/A	N/A	29	5991.7	3054 to 4581	N/A	N/A
36	96	N/A	N/A	30	6311.3	3246 to 4869	N/A	N/A
37	97	N/A	N/A	30	6646.8	3449 to 5174	N/A	N/A
38	98	N/A	N/A	30	7062.6	3665 to 5497	N/A	N/A
39	99	N/A	N/A	30	7436.2	3894 to 5841	N/A	N/A
40	100	N/A	N/A	31	7828.2	4137 to 6205	N/A	N/A

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	Effect(s)
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
3.17.0	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.