Blight

This page is about the skill gem. For other uses, see Blight (disambiguation).

For the Vaal-themed counterpart, see Vaal Blight.

BlightSpell, Chaos, AoE, Channelling, Duration
Level: (1-20)
Cost: (2-5) Mana
Cast Time: 0.30 sec
AoE Radius: 26Apply 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 (3.9-283.9) Base Chaos Damage per second
Base duration is 2 seconds
Base secondary duration is 1 seconds
Modifiers to Spell Damage apply to this Skill's Damage Over Time effect
+(0-6) to radius
80% reduced Movement Speed
Debuff can have up to 20 layers of Damage

Additional Effects From 1-20% Quality:
0.5% increased Area of Effect1% increased Chaos Damage3% increased Secondary DurationPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.

Acquisition
Drop level: 5Vendor Offer
1x Scroll FragmentMetadata
Item class: Skill Gem
Metadata ID: Metadata/Items/Gems/SkillGemBlight

Blight is a channelling spell that deals stacking chaos damage over time to all enemies in the area in front of the caster. Enemies who weren't affected by the damage over time are also hindered for a short duration.

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 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.) does not apply.
• 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 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 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 EffectThis 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 DurationThis 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

Level			Mana Cost	Chaos Damage per sec	Radius	Exp.	Total Exp.
1	1	0	2	3.9	N/A	0	0
2	2	0	2	4.4	N/A	70	70
3	4	16	2	5.5	N/A	308	378
4	7	22	2	7.5	N/A	1554	1932
5	11	31	2	10.5	N/A	6667	8599
6	16	41	2	15.4	N/A	26047	34646
7	20	50	2	20.3	N/A	49725	84371
8	24	58	2	26.3	N/A	95714	180085
9	28	67	3	33.6	N/A	169595	349680
10	32	75	3	42.4	N/A	283759	633439
11	36	83	3	53	N/A	453996	1087435
12	40	92	3	65.8	N/A	703128	1790563
13	44	100	4	81.1	N/A	1061223	2851786
14	48	109	4	99.4	N/A	2065870	4917656
15	52	117	4	121.3	N/A	2507110	7424766
16	56	125	4	147.4	N/A	5798936	13223702
17	60	134	4	178.5	N/A	15083919	28307621
18	64	142	5	215.4	N/A	27792735	56100356
19	67	148	5	247.5	N/A	43869739	99970095
20	70	155	5	283.9	N/A	242081556	342051651
21	72	159	5	311	N/A	N/A	N/A
22	74	N/A	5	340.3	N/A	N/A	N/A
23	76	N/A	5	372.3	N/A	N/A	N/A
24	78	N/A	5	407	N/A	N/A	N/A
25	80	N/A	5	444.7	N/A	N/A	N/A
26	82	N/A	6	485.6	N/A	N/A	N/A
27	84	N/A	6	530.1	N/A	N/A	N/A
28	86	N/A	6	578.5	N/A	N/A	N/A
29	88	N/A	6	630.9	N/A	N/A	N/A
30	90	N/A	6	687.8	N/A	N/A	N/A
31	91	N/A	6	718	N/A	N/A	N/A
32	92	N/A	6	749.5	N/A	N/A	N/A
33	93	N/A	6	782.3	N/A	N/A	N/A
34	94	N/A	6	816.4	N/A	N/A	N/A
35	95	N/A	6	852	N/A	N/A	N/A
36	96	N/A	6	889	N/A	N/A	N/A
37	97	N/A	6	927.6	N/A	N/A	N/A
38	98	N/A	6	967.7	N/A	N/A	N/A
39	99	N/A	7	1009.5	N/A	N/A	N/A
40	100	N/A	7	1053	N/A	N/A	N/A

Gem quality

Type	Additional Effects per 1-20% Quality	Weight
Superior	Base duration is (0.04-0.8) seconds	1

Item acquisition

Blight can drop anywhere.

Recipes

Blight 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 ↓
Enemy at the Gate 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 ↓
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.

Item	Limit	Radius	Stats	Drop Enabled
Spreading RotSpreading Rot Cobalt JewelLimited 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 SpeedThe 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.	1	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	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.

Name		Labyrinth	Stats	Spawn Weighting
Enchantment Blight Damage 1	66	Merciless Labyrinth	25% increased Blight Damage	helmet 100
Enchantment Blight Damage 2	75	Eternal Labyrinth	40% increased Blight Damage	helmet 100
Enchantment Blight Area Of Effect 1	66	Merciless Labyrinth	16% increased Blight Area of Effect	helmet 100
Enchantment Blight Area Of Effect 2	75	Eternal Labyrinth	24% increased Blight Area of Effect	helmet 100
Enchantment Blight Secondary Skill Duration 1	66	Merciless Labyrinth	Blight has 20% increased Hinder Duration	helmet 100
Enchantment Blight Secondary Skill Duration 2	75	Eternal Labyrinth	Blight has 30% increased Hinder Duration	helmet 100

Related unique items

The following unique items are related to Blight:

Item	Base Item		Stats
AllelopathyAllelopathy Satin GlovesEnergy 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 Gloves	41	Grants 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:

Item	Effect(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
3.21.0	Blight now has a base duration of 2.00 seconds at all gem levels (previously 2.50 seconds). It now deals 3.9 Base Chaos Damage per second at gem level 1 (previously 3.1), scaling up to 284 at gem level 20 (previously 257.4).
3.17.0	Blight base Secondary Duration is now 1.00 seconds (previously 0.80 seconds).
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.