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Essence Drain

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Essence DrainSpell, Projectile, Duration, Chaos, AoE
Mana Cost: (8-23)
Cast Time: 0.70 sec
Critical Strike Chance: 5.00%
Effectiveness of Added Damage: 60%
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.Per 1% Quality:
1% increased Chaos Damage
Deals (31.2-1503.2) Base Chaos Damage per second
Regenerate 0.5% of Debuff Damage as Life
Base duration is 3.8 seconds
Deals (9-433) to (14-649) Chaos Damage
Modifiers to Spell Damage apply to this Skill's Damage Over Time effect
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Essence Drain skill icon.pngEssence Drain inventory icon.png
Acquisition
Level: 12
Purchase Costs
Normal1x Orb of Transmutation
Sell Price
1x Scroll Fragment
Miscellaneous
Item class: Active Skill Gems
Metadata ID: Metadata/Items/Gems/SkillGemEssenceDrain

Essence Drain skill screenshot.jpg

Essence Drain (often referred to as ED) is a spell that fires a chaos projectile that applies a damage over time debuff when it hits the enemy. The spell also regenerates a portion of the debuff damage as life. If target dies while afflicted with both ContagionContagionSpell, AoE, Duration, Chaos
Radius: 20
Mana Cost: (5-20)
Cast Time: 0.60 sec
Requires Level 4Unleashes a vile contagion on enemies, dealing chaos damage over time. If an enemy dies while affected by Contagion, it spreads to other enemies.Per 1% Quality:
0.5% increased Area of Effect
Deals (3.5-235.9) Base Chaos Damage per second
Base duration is 5 seconds
Modifiers to Spell Damage apply to this Skill's Damage Over Time effect
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Contagion skill icon.png
and Essence Drain, the remaining duration of both degeneration effects will be spread to nearby enemies.

Skill functions and interactions

  • Damage over time: Modifiers to spell, chaos damage, and damage over time affect the damage over time component of this spell. Modifiers to Spell Damage apply to this skill's Damage Over Time Effect modifier does not affect other damage over time effects created by this skill, such as poison or ignite.
  • Traps and Mines: Essence Drain can not be supported by Trap SupportTrap SupportSupport, Trap
    Icon: T
    Mana Multiplier: 110%
    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.Per 1% Quality:
    Supported Skills have 0.5% increased Trap Throwing Speed
    Trap lasts 4 seconds
    Supported Attack Skills cannot be used with Melee Weapons
    Supported Skills have (0-19)% increased Trap Throwing Speed
    Supported Skills deal (0-38)% increased Trap Damage
    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.
    and Blastchain Mine SupportBlastchain Mine SupportSupport, Mine
    Icon: Y
    Mana Multiplier: 30%
    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.Per 1% Quality:
    Supported Skills have 0.5% increased Mine Throwing Speed
    Mine lasts 5 seconds
    Supported Skills deal (35-25)% less Damage
    Supported Skills deal 5% more Damage for each prior Mine in Detonation Sequence
    Supported Skills have a Base Mine Detonation Time of 0.25 seconds
    Supported Attack Skills cannot be used with Melee Weapons
    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.
    .
  • Debuff Regeneration: The amount of life regenerated from the debuff damage caused by Essence Drain is calculated solely off the final amount of outbound damage dealt by the skill, not the damage inflicted on an enemy. An easy way to calculate the amount of regen provided is to multiply the tooltip amount of debuff damage by 0.5%. This will give you the amount of regen that Essence Drain will grant you per target effected. This means that using methods to increased the enemies received damage from sources such as DespairDespairSpell, AoE, Duration, Curse, Chaos
    Radius: 22
    Mana Cost: (16-33)
    Cast Time: 0.50 sec
    Requires Level 24Curse all targets in an area, making them less resistant to chaos damage and causing them to take increased damage over time. Cursed enemies also take additional chaos damage when hit.Per 1% Quality:
    Cursed enemies take 0.5% increased Damage from Damage Over Time effects
    Base duration is (9-10.9) seconds
    Cursed enemies have -(20-29)% to Chaos Resistance
    Cursed enemies take (15-25)% increased Damage from Damage Over Time effects
    Adds (9-46) to (12-57) Chaos Damage to Hits against Cursed Enemies
    +(0-10) to radius
    Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
    Despair skill icon.png
    , WitherWitherSpell, AoE, Duration, Chaos, Channelling
    Mana Cost: (3-9)
    Cast Time: 0.28 sec
    Requires 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.Per 1% Quality:
    1% increased Skill Effect Duration
    (30-36)% reduced Movement Speed
    6% increased Chaos Damage taken
    Base duration is 0.5 seconds
    Withered lasts 2 seconds
    (0-19)% increased Area of Effect
    Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
    Wither skill icon.png
    , or the Occultist Void Beacon notable does not influence the amount of regen provided by Essence Drain.

Strategy

The damage per cast of this spell is humongous, the damage it does per second is comparable to the damage of most spells and it keeps dealing damage (like with totems). Because this spell normally can hit only one enemy, it's not very useful alone unless the target is a boss or a player. However, it can be supported by Lesser Multiple Projectiles SupportLesser Multiple Projectiles SupportSupport, Projectile
Icon: l
Mana Multiplier: 140%
Requires Level 8Supports projectile skills.Per 1% Quality:
Supported Skills have 0.5% increased Attack Speed
Supported Skills have 0.5% increased Cast Speed
Supported Skills fire 2 additional Projectiles
Supported Skills deal (25-16)% less Projectile Damage
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.
or similar projectile support skills to hit more enemies at once and in the case of weaker monsters, ContagionContagionSpell, AoE, Duration, Chaos
Radius: 20
Mana Cost: (5-20)
Cast Time: 0.60 sec
Requires Level 4Unleashes a vile contagion on enemies, dealing chaos damage over time. If an enemy dies while affected by Contagion, it spreads to other enemies.Per 1% Quality:
0.5% increased Area of Effect
Deals (3.5-235.9) Base Chaos Damage per second
Base duration is 5 seconds
Modifiers to Spell Damage apply to this Skill's Damage Over Time effect
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Contagion skill icon.png
can be used to spread it to the whole pack and kill a lot of monsters just with two casts.

Gem level progression

LevelLvl.dexterityintelligenceMana
Cost
Chaos
Damage
per sec
Chaos
Damage
Exp.Total Exp.
1121421831.29 to 1400
2151725940.612 to 1815,24915,249
31921301056.416 to 2441,51756,766
42324351176.722 to 3381,983138,749
527284112102.730 to 44147,968286,717
63132461313639 to 59250,557537,274
735365114178.451 to 77405,086942,360
838385515217.463 to 94447,7181,390,078
94141591626476 to 114615,3182,005,396
1044446316319.492 to 138834,6392,840,035
1147476717385.3111 to 1661,570,7604,410,795
1250497118463.5133 to 2001,633,9876,044,782
1353527519556.1160 to 2402,151,0308,195,812
1456557919665.7192 to 2882,812,18911,008,001
1559588320795.2229 to 3445,099,36016,107,361
1662608721948.1273 to 4109,400,73125,508,092
17646290211065307 to 46015,273,36640,781,458
18666492221195.5344 to 51626,286,58267,068,040
19686695221341386 to 57962,890,590129,958,630
20706898231503.2433 to 649212,046,017342,004,647
217270100241683.9485 to 727N/AN/A
2274N/AN/A241885.3543 to 814N/AN/A
2376N/AN/A252109.6608 to 911N/AN/A
2478N/AN/A252359.2679 to 1019N/AN/A
2580N/AN/A262637759 to 1139N/AN/A
2682N/AN/A262946.1848 to 1273N/AN/A
2784N/AN/A273289.8947 to 1421N/AN/A
2886N/AN/A2736721058 to 1586N/AN/A
2988N/AN/A284096.81180 to 1770N/AN/A
3090N/AN/A284568.81316 to 1974N/AN/A
3191N/AN/A284824.11389 to 2084N/AN/A
3292N/AN/A295093.11467 to 2200N/AN/A
3393N/AN/A295376.61548 to 2323N/AN/A
3494N/AN/A295675.41635 to 2452N/AN/A
3595N/AN/A295990.21725 to 2588N/AN/A
3696N/AN/A3063221821 to 2731N/AN/A
3797N/AN/A306671.51921 to 2882N/AN/A
3898N/AN/A307039.72027 to 3041N/AN/A
3999N/AN/A307427.52139 to 3209N/AN/A
40100N/AN/A317836.12257 to 3385N/AN/A

Item acquisition
Questionmark.png

Upgrade paths

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

AmountIngredientGeneral
Notes
Type
13The CataclysmThe Cataclysm13Level 21 Spell Gem
Corrupted
The 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 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
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

Quest reward

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

Class →WitchShadowRangerDuelistMarauderTemplarScion
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 →WitchShadowRangerDuelistMarauderTemplarScion
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.

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
Enchantment Essence Drain Damage 16625% increased Essence Drain Damagehelmet 100
default 0
Enchantment Essence Drain Damage 27540% increased Essence Drain Damagehelmet 100
default 0
Enchantment Essence Drain Duration 16620% increased Essence Drain Durationhelmet 100
default 0
Enchantment Essence Drain Duration 27530% increased Essence Drain Durationhelmet 100
default 0

Microtransactions

The list below shows microtransactions for Essence Drain.

ItemEffect(s)
Arcane Essence Drain EffectArcane Essence Drain EffectEssence Drain Skin
Stack Size: 20
Your Essence Drain becomes a blue arcane effect.
Your Essence Drain becomes a blue arcane effect.

Version history

Version Changes
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.