Infernal Blow - Path of Exile

Infernal Blow is an active skill gem.

Attacks with your weapon, applying a charged debuff to enemies hit by your strike, and an uncharged debuff to any other enemies hit. Upon reaching 6 charges, expiring, or the enemy"s death, the charged debuff is removed, and it deals damage to that and other nearby enemies. Enemies with either debuff explode when they die, damaging other nearby enemies. Damage from this explosion cannot be reflected. Requires a Sword, Axe, Mace, Sceptre, Staff or Unarmed.You will explode if killed, dealing fire damage based on your maximum life. If this debuff has charges, it will deal attack damage in an area around you when it expires or has 6 charges.

Attack, AoE, Melee, Strike, Fire, Duration. Level: 1–20. Cost: 6 Mana. Effectiveness of Added Damage: 104–166%. Radius: 15. Requires Level 12.

Base duration is 0.8 seconds
(5–75) to (8–113) Added Fire Damage
60% of Physical Damage Converted to Fire Damage
Explosion deals base Fire Damage equal to 6% of the corpse"s Maximum Life
Debuff deals 66% of Damage per Charge

Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.

Name	Additional Effects From Quality	Weight
Infernal Blow	(0–10)% increased Area of Effect	50

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Related Gems

Name	Additional Effects From Quality	Weight
Infernal Blow	(0–10)% increased Area of Effect	50
Anomalous Infernal Blow	Explosion has (0–20)% chance to apply Uncharged Debuff on Hit	20
Divergent Infernal Blow	(0–20)% chance to Ignite enemies (0–60)% increased Burning Damage	100
Phantasmal Infernal Blow	(0–80)% increased Skill Effect Duration	100

Level Effect

Level	Requires Level	Strength	Base Damage	5 to 8 Added Fire Damage	Experience
1	12	33	104%	5, 8	15,249
2	15	39	107.3%	7, 10	41,517
3	19	48	110.5%	8, 13	81,983
4	23	56	113.8%	11, 16	147,968
5	27	64	117.1%	13, 19	250,557
6	31	73	120.3%	16, 24	405,086
7	35	81	123.6%	19, 28	447,718
8	38	88	126.8%	22, 32	615,318
9	41	94	130.1%	25, 37	834,639
10	44	100	133.4%	28, 42	1,570,760
11	47	106	136.6%	32, 47	1,633,987
12	50	113	139.9%	36, 54	2,151,030
13	53	119	143.2%	40, 60	2,812,189
14	56	125	146.4%	45, 68	5,099,360
15	59	132	149.7%	51, 76	9,400,731
16	62	138	152.9%	56, 85	15,273,366
17	64	142	156.2%	61, 91	26,286,582
18	66	146	159.5%	65, 98	62,890,590
19	68	151	162.7%	70, 105	212,046,017
20	70	155	166%	75, 113
21	72		169.3%	81, 122
22	74		172.5%	87, 130
23	76		175.8%	93, 140
24	78		179.1%	100, 150
25	80		182.3%	107, 160
26	82		185.6%	114, 172
27	84		188.8%	123, 184
28	86		192.1%	131, 197
29	88		195.4%	140, 210
30	90		198.6%	150, 224
31	91		200.3%	155, 232
32	92		201.9%	160, 240
33	93		203.5%	165, 248
34	94		205.2%	171, 256
35	95		206.8%	176, 265
36	96		208.4%	182, 273
37	97		210.1%	188, 282
38	98		211.7%	194, 292
39	99		213.3%	201, 301
40	100		214.9%	207, 311

Infernal Blow is a melee attack skill that converts 60% of Physical Damage to Fire Damage, applying a special debuff to enemies. When the debuff reaches six charges, expires, or the enemy affected by the debuff dies, it releases an explosion that deals fire damage to nearby enemies. This skill requires a sword, axe, mace, staff or unarmed.

Skill functions and interactions

Damage conversion: Like all converted damage, the fire portion of Infernal Blow's damage will be modified by both fire damage increases and physical damage increases.

Duration: If the debuff caused by Infernal Blow is still active when the monster dies, it will explode even if Infernal Blow was not the killing blow. That makes this skill very effective with Melee Splash or Ancestral Cry. Attacking will refresh debuff duration.

Debuffs: When the attack made with Infernal Blow hits an enemy, it applies two debuffs: the first debuff can stack up to six times and creates an explosion that deals damage based on your weapon damage when it reaches full charges or when it expires. The second debuff causes the enemy to create an explosion that deals damage scaling with its maximum life when it dies. The stacking debuff is applied per attack, not per hit.

This means using Multistrike will only apply the debuff every 3 hits.

Explosion: The corpse explosion deals fire secondary damage in an area and cannot be reflected. It is neither an attack nor a spell, so in particular it is not affected by modifiers to melee damage, weapon damage or spell damage, but is affected by Elemental Damage with Attack Skills. While in a party, the explosion ignores the increased life added for each player beyond the first and treats the monster's life as if you were solo.

The charged debuff explosion deals the exact same damage types as the melee hit, plus area damage. The explosion is considered a new hit and is not derived from the amount of damage dealt for the charges. Ruthless Blows are calculated differently depending on how the charged debuff explosion was caused. If the debuff reaches 6 stacks, then the hit that applied the 6th stack determines whether or not the explosion is Ruthless. If the debuff expires for any other reason (such as the monster dying) then the hit that applied the 1st stack determines whether or not the explosion is Ruthless.

Monster Types: Magic (blue named) and rare (yellow named) monsters, and unique monsters (orange named) can be exploded.

Area of effect modifiers will only apply to the explosion itself, not the melee attack.

Item acquisition

Infernal Blow can drop anywhere. Drop level: 12.

Recipes

Infernal Blow can be created from the following recipes:

Amount	Part	Description
6	The Fox	Random level 20 gem
8	Dying Anguish	Random level 19 gem with 19% alternative quality
8	The Hook	Random corrupted level 21 gem with 23% alternative quality
3	Gemcutter's Promise	Random gem with 20% quality
1	Gemcutter's Incubator	Random gem with 1–20% quality
1	The Void	Random divination card set exchange

Quest reward

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

Class →	Witch	Shadow	Ranger	Duelist	Marauder	Templar	Scion
Quest ↓	Witch	Shadow	Ranger	Duelist	Marauder	Templar	Scion
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 ↓	Witch	Shadow	Ranger	Duelist	Marauder	Templar	Scion
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 Infernal Blow.

Name	Level	Labyrinth	Stats	Spawn Weighting
Enchantment Infernal Blow Damage 1	66	Merciless Labyrinth	25% increased Infernal Blow Damage	helmet 75 default 0
Enchantment Infernal Blow Damage 2	75	Eternal Labyrinth	40% increased Infernal Blow Damage	helmet 75 default 0
Enchantment Infernal Blow Increased Damage Per Stack 1	66	Merciless Labyrinth	Infernal Blow Debuff deals an additional 3% of Damage per Charge	helmet 75 default 0
Enchantment Infernal Blow Increased Damage Per Stack 2	75	Eternal Labyrinth	Infernal Blow Debuff deals an additional 5% of Damage per Charge	helmet 75 default 0
Enchantment Infernal Blow Physical Damage Percent To Add As Fire Damage 1	66	Merciless Labyrinth	10% of Infernal Blow Physical Damage gained as Extra Fire Damage	helmet 75 default 0
Enchantment Infernal Blow Physical Damage Percent To Add As Fire Damage 2	75	Eternal Labyrinth	15% of Infernal Blow Physical Damage gained as Extra Fire Damage	helmet 75 default 0
Enchantment Infernal Blow Area Of Effect 1	66	Merciless Labyrinth	16% increased Infernal Blow Area of Effect	helmet 75 default 0
Enchantment Infernal Blow Area Of Effect 2	75	Eternal Labyrinth	24% increased Infernal Blow Area of Effect	helmet 75 default 0