Blight

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BlightBlight of ContagionBlight of Atrophy
BlightSpell, Chaos, AoE, Channelling, Duration
Level: (1-20)
Cost: (2-5) Mana
Cast Time: 0.30 sec
AoE Radius: 26
Apply a debuff to enemies in front of you which deals chaos damage over time. Enemies who aren't already debuffed by Blight are also hindered for a shorter secondary duration, slowing their movement. Continued channelling adds layers of damage to the debuff, each with their own duration.Deals (3.1-257.4) Base Chaos Damage per second
Base duration is 2.5 seconds
Base secondary duration is 0.8 seconds
80% reduced Movement Speed
Debuff can have up to 20 layers of Damage
Modifiers to Spell Damage apply to this Skill's Damage Over Time effect
+(0-6) to radius

Additional Effects From 1-20% Quality:
0.5% increased Area of Effect1% increased Chaos Damage3% increased Secondary Duration
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Acquisition
Drop level: 5
Vendor Offer
1x Scroll Fragment
Metadata
Item class: Skill Gem
Metadata ID: Metadata/Items/Gems/SkillGemBlight


This page is about the skill gem. For the game mechanic, see Blight (game mechanic).
For the challenge league, see Blight league.
For the Vaal-themed counterpart, see Vaal Blight.


Blight is a channelling spell that deals chaos damage over time to all enemies in the area in front of the caster.

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.
  • Area of effect: Increasing or decreasing the area works as expected, but area damage (from e.g. Concentrated Effect SupportConcentrated Effect SupportSupport, AoE
    Icon: o
    Level: (1-20)
    Cost & Reservation Multiplier: 140%
    Requires Level 18Supports any skill with an area of effect, regardless of whether that skill deals damage.Supported Skills deal (25-39)% more Area Damage
    Supported Skills have 30% less Area of Effect

    Additional Effects From 1-20% Quality:
    Supported Skills deal (0.5-10)% increased Area 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 Skill Gem you wish to augment. Right click to remove from a socket.
    ) does not apply.[1]
  • Blight does not hit and therefore cannot be supported by added damage supports such as Added Chaos Damage SupportAdded Chaos Damage SupportChaos, Support
    Icon: H
    Level: (1-20)
    Cost & Reservation Multiplier: 120%
    Requires Level 31Supports any skill that hits enemies.Supported Skills have (18-154) to (26-231) added Chaos Damage

    Additional Effects From 1-20% Quality:
    Supported Skills deal (0.5-10)% increased Chaos 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 Skill Gem you wish to augment. Right click to remove from a socket.
    and cannot confer the effects of supports such as Blind SupportBlind SupportSupport
    Icon: x
    Level: (1-20)
    Cost & Reservation Multiplier: 110%
    Requires Level 8Supports any skill that hits enemies.Supported Skills have 10% chance to Blind enemies on hit
    Supported Skills have (0-38)% increased Blinding duration

    Additional Effects From 1-20% Quality:
    (0.5-10)% increased Blind Effect
    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 Skill Gem you wish to augment. Right click to remove from a socket.
    or Hextouch SupportHextouch SupportSupport, Hex, Trigger
    Icon: &
    Level: (1-20)
    Cost & Reservation Multiplier: 130%
    Requires Level 38Must support both a skill that hits enemies, and a hex curse skill to work. The hex will be applied when enemies are hit by the other skill. Cannot support totems, traps, or mines. Minions cannot apply hexes this way.Supported Skills apply supported Curses on Hit
    You cannot Cast Supported Curse Spells
    35% less Effect of Supported Curses
    Supported Skills have (50-31)% reduced Curse Duration

    Additional Effects From 1-20% Quality:
    Supported Skills have (0.5-10)% increased Curse Duration
    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 Skill Gem you wish to augment. Right click to remove from a socket.
    . Additionally, on hit effects such as Leech, poison, or life gain on hit will not occur while using Blight. Despite not hitting, Blight will break pots, baskets, cairns, etc. within its area of effect.
  • See Channelling for more information.
  • Blight and Vaal blight both count towards the maximum limit of 20 debuffs per monsters.

Gem level progression

LevelRequired LevelRequired IntelligenceMana
Cost
Chaos
Damage
per sec
RadiusExp.Total Exp.
11023.9N/A00
22024.4N/A7070
341625.5N/A308378
472227.5N/A15541932
51131210.5N/A66678599
61641215.4N/A2604734646
72050220.3N/A4972584371
82458226.3N/A95714180085
92867333.6N/A169595349680
103275342.4N/A283759633439
113683353N/A4539961087435
124092365.8N/A7031281790563
1344100481.1N/A10612232851786
1448109499.4N/A20658704917656
15521174121.3N/A25071107424766
16561254147.4N/A579893613223702
17601344178.5N/A1508391928307621
18641425215.4N/A2779273556100356
19671485247.5N/A4386973999970095
20701555283.9N/A242081556342051651
21721595311N/AN/AN/A
2274N/A5340.3N/AN/AN/A
2376N/A5372.3N/AN/AN/A
2478N/A5407N/AN/AN/A
2580N/A5444.7N/AN/AN/A
2682N/A6485.6N/AN/AN/A
2784N/A6530.1N/AN/AN/A
2886N/A6578.5N/AN/AN/A
2988N/A6630.9N/AN/AN/A
3090N/A6687.8N/AN/AN/A
3191N/A6718N/AN/AN/A
3292N/A6749.5N/AN/AN/A
3393N/A6782.3N/AN/AN/A
3494N/A6816.4N/AN/AN/A
3595N/A6852N/AN/AN/A
3696N/A6889N/AN/AN/A
3797N/A6927.6N/AN/AN/A
3898N/A6967.7N/AN/AN/A
3999N/A71009.5N/AN/AN/A
40100N/A71053N/AN/AN/A

Item acquisition

Blight can drop anywhere.

Recipes

Blight can be created from the following recipes:

AmountPartDescriptionMeta
3The Bitter BlossomThe Bitter Blossom3Level 21 Chaos Gem
Quality: +23%
Corrupted
The 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% qualityA
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 gemA
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 gemA
3Gemcutter'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% qualityA
1Gemcutter's IncubatorGemcutter's IncubatorStack Size: 10Adds an incubated Quality Gem item to an equippable item
Item drops after killing {0} monsters
Right 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% qualityA
1The VoidThe Void1Reach into the Void and claim your prize.Random divination card set exchangeA

Quest reward

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

Class →WitchShadowRangerDuelistMarauderTemplarScion
Quest ↓
Enemy at the Gate
Act 1

Vendor reward

This item can be bought at the listed NPC vendors, after completing the following quests:

Class →WitchShadowRangerDuelistMarauderTemplarScion
Quest ↓
Enemy at the Gate
Act 1
Nessa
A Fixture of Fate
Act 3
Siosa
Fallen from Grace
Act 6
Lilly Roth

Threshold jewels

The following threshold jewels augment Blight:

Note that the jewels may be drop disabled and only be found in the permanent leagues as legacy items.

ItemLimitRadiusStatsDrop
Enabled
Spreading RotSpreading Rot
Cobalt Jewel
Limited to: 1
Radius: Medium
(7-13)% increased Chaos Damage
With at least 40 Intelligence in Radius, Blight inflicts Withered for 2 seconds
With at least 40 Intelligence in Radius, Blight has 30% reduced Cast Speed
The Cataclysm was but the first act in a play of horrors.
The dead lingered, and the living began to rot.
Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.
1Medium(7-13)% increased Chaos Damage
With at least 40 Intelligence in Radius, Blight inflicts Withered for 2 seconds
With at least 40 Intelligence in Radius, Blight has 30% reduced Cast Speed
0

Related helmet enchantments

The following helmet enchantments affect Blight.

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.

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.LabyrinthStatsSpawn Weighting
Enchantment Blight Damage 166Merciless Labyrinth25% increased Blight Damagehelmet 100
Enchantment Blight Damage 275Eternal Labyrinth40% increased Blight Damagehelmet 100
Enchantment Blight Area Of Effect 166Merciless Labyrinth16% increased Blight Area of Effecthelmet 100
Enchantment Blight Area Of Effect 275Eternal Labyrinth24% increased Blight Area of Effecthelmet 100
Enchantment Blight Secondary Skill Duration 166Merciless LabyrinthBlight has 20% increased Hinder Durationhelmet 100
Enchantment Blight Secondary Skill Duration 275Eternal LabyrinthBlight has 30% increased Hinder Durationhelmet 100

Related unique items

The following unique items are related to Blight:

ItemBase ItemRequired levelStats
AllelopathyAllelopathy
Satin Gloves
Energy Shield: (56-72)Requires Level 41, 60 IntGrants Level 22 Blight Skill
(100-120)% increased Energy Shield
10% increased Area of Effect
Blight has (20-30)% increased Hinder Duration
You cannot be Hindered
"Nothing is more natural than competition.
One feasts, another starves.
One blossoms, another withers.
And one cannot catch the golden sunlight
without casting a bitter shadow."
- Cadiro Perandus
Satin Gloves41Grants Level 22 Blight Skill
(100-120)% increased Energy Shield
10% increased Area of Effect
Blight has (20-30)% increased Hinder Duration
You cannot be Hindered

Alternate skill effects

Blight has the following alternate skill effects:

ItemEffect(s)
Blighted Cold Snap EffectBlighted Cold Snap EffectSkill Gem EffectYour Cold Snap becomes a blighted effect.Your Cold Snap becomes a blighted effect.
Celestial Blight EffectCelestial Blight EffectSkill Gem EffectYour Blight becomes a Celestial Effect.Your Blight becomes a Celestial Effect.
Project Blight EffectProject Blight EffectSkill Gem EffectYour Blight becomes a Project Effect.Your Blight becomes a Project Effect.
Scientist Blight EffectScientist Blight EffectSkill Gem EffectYour Blight becomes a Scientist Effect.Your Blight becomes a Scientist Effect.
Sunprism Blight EffectSunprism Blight EffectSkill Gem EffectYour Blight becomes a Sunprism Effect.Your Blight becomes a Sunprism Effect.

Version history

Version Changes
3.6.0
  • Mana Cost at gem level 20 is now 5 (was 4).
  • Now deals 3.1 base Chaos damage per second at gem level 1 (from 1.7) and 257.4 base Chaos damage per second at gem level 20 (from 209.9).
  • Now gains additional radius as the gem levels up, up to +6 at gem level 20 (from +4 at gem level 20).
3.0.0
  • Blight deals 25% more damage at gem level 20.
2.6.0
  • Blight gains 1 additional unit of radius every 5 levels.
2.5.0
  • Blight's damage has been increased by 5% damage at level 1 of the gem, up to 35% more damage at level 20 of the gem.
2.4.2
  • Added new Intelligence skill - Blight: Apply a debuff to enemies in front of you which deals chaos damage over time. Enemies who aren't already debuffed by Blight are also hindered for a shorter secondary duration, slowing their movement. Continued channelling adds layers of damage to the debuff, each with their own duration.

References

  1. Rory (May 3, 2017). "Damage Over Time Changes - Part 2". Official Path of Exile Forums. Retrieved August 7, 2017.

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