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, damage over time and duration affect the damage over time component of this spell. Modifiers to Spell Damage apply to this skill's Damage Over Time modifier also affects other damage over time effects created by this skill, such as poison or ignite, although this is a moot point of interest since Blight does not hit and cannot produce on hit effects such as poison or ignite.
• Blight does not hit and therefore cannot be supported by added damage supports such as and cannot confer the effects of supports such as or . Additionally, on hit effects such as Leech, poison, or life gain on hit will not occur while using Blight.
• See Channelling for more information.

Gem level progression

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

Version history

Version	Changes
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.

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