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Infernal Blow

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Infernal BlowAttack, AoE, Melee, Fire, Duration
Radius: 15
Mana Cost: 6
Cast Time: 1.00 sec
Requires Level 12Hit the target enemy, applying a charged debuff to it, 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, Staff or Unarmed.Per 1% Quality:
0.5% increased Area of Effect
Deals (100-122.8)% of Base Damage
50% of Physical Damage Converted to Fire Damage
Base duration is 0.8 seconds
Explosion deals base Fire Damage equal to 6% of the corpse's maximum Life
Debuff deals 66% of Damage per Charge
+(0-3) to Melee range
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Infernal Blow skill icon.pngInfernal Blow 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/SkillGemInfernalBlow

Infernal Blow skill screenshot.jpg

Infernal Blow is a melee attack skill that converts half of Physical Damage to Fire Damage, applying a special debuff to enemies. If the enemy dies while affected by this debuff, they will explode, dealing fire damage to nearby enemies. 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.

Explosion: The explosion deals a percentage of the corpses' maximum life as fire secondary damage in an area around the corpse. 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. The explosion damage cannot be reflected. Each explosion can roll a critical strike independently from the Infernal Blow attack. 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.[1]

Monster Types: Magic (blue named) and rare (yellow named) monsters can be exploded, but unique monsters (orange named) cannot be.

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

Gem level progression

LevelLvl.strengthDamage
Effectiveness
Damage
Multiplier
Exp.Total Exp.
11233100%100%00
21539101%101.2%15,24915,249
31948102%102.4%41,51756,766
42356104%103.6%81,983138,749
52764105%104.8%147,968286,717
63173106%106%250,557537,274
73581107%107.2%405,086942,360
83888108%108.4%447,7181,390,078
94194110%109.6%615,3182,005,396
1044100111%110.8%834,6392,840,035
1147106112%112%1,570,7604,410,795
1250113113%113.2%1,633,9876,044,782
1353119114%114.4%2,151,0308,195,812
1456125116%115.6%2,812,18911,008,001
1559132117%116.8%5,099,36016,107,361
1662138118%118%9,400,73125,508,092
1764142119%119.2%15,273,36640,781,458
1866146120%120.4%26,286,58267,068,040
1968151122%121.6%62,890,590129,958,630
2070155123%122.8%212,046,017342,004,647
2172159124%124%N/AN/A
2274N/A125%125.2%N/AN/A
2376N/A126%126.4%N/AN/A
2478N/A128%127.6%N/AN/A
2580N/A129%128.8%N/AN/A
2682N/A130%130%N/AN/A
2784N/A131%131.2%N/AN/A
2886N/A132%132.4%N/AN/A
2988N/A134%133.6%N/AN/A
3090N/A135%134.8%N/AN/A
3191N/A135%135.4%N/AN/A
3292N/A136%136%N/AN/A
3393N/A137%136.6%N/AN/A
3494N/A137%137.2%N/AN/A
3595N/A138%137.8%N/AN/A
3696N/A138%138.4%N/AN/A
3797N/A139%139%N/AN/A
3898N/A140%139.6%N/AN/A
3999N/A140%140.2%N/AN/A
40100N/A141%140.8%N/AN/A

Item acquisition
Questionmark.png

Quest reward

This skill is given as quest reward for the following quests:
Class →WitchShadowRangerDuelistMarauderTemplarScion
Quest ↓
The Siren's Cadence
Act 1

Vendor reward

This skill 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 Infernal Blow

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.Stats
EnchantmentInfernalBlowDamage16625% increased Infernal Blow Damage
EnchantmentInfernalBlowDamage27540% increased Infernal Blow Damage
EnchantmentInfernalBlowIncreasedDamagePerStack1__66Infernal Blow Debuff deals an additional 3% of Damage per Charge
EnchantmentInfernalBlowIncreasedDamagePerStack275Infernal Blow Debuff deals an additional 5% of Damage per Charge
EnchantmentInfernalBlowPhysicalDamagePercentToAddAsFireDamage16610% of Infernal Blow Physical Damage gained as Extra Fire Damage
EnchantmentInfernalBlowPhysicalDamagePercentToAddAsFireDamage2_7515% of Infernal Blow Physical Damage gained as Extra Fire Damage
EnchantmentInfernalBlowRadius1668% increased Infernal Blow Area of Effect
EnchantmentInfernalBlowRadius27512% increased Infernal Blow Area of Effect

Version history

Version Changes
2.1.0
  • Attack skills that have their damage based on the wielded weapon have their mana costs fixed in place from level 1 onwards.
  • Radius increased by 22%.
2.0.0
  • Base damage increased by 4% (from 125% to 130% of base damage).
  • Now grants 0.5% increased area of effect radius per 1% of quality (was 1% per 1% quality).
  • The explosion effect can no longer reflect damage to the player.
  • The explosion damage has been reduced from 25% to 10% of monsters life.
1.3.0
  • The mana costs of Elemental HitElemental HitAttack, Melee, Fire, Cold, Lightning, AoE, Bow
    Mana Cost: (7-11)
    Cast Time: 1.00 sec
    Requires Level 12Each attack with this skill will choose an element at random, and will only be able to deal damage of that element. If the attack hits an enemy, it will also deal damage in an area around them, with the radius being larger if that enemy is suffering from an ailment of the chosen element. It will avoid choosing the same element twice in a row.Per 1% Quality:
    1% increased Elemental Damage
    Adds (23-590) to (43-1096) Fire Damage to Attacks
    Adds (19-483) to (35-896) Cold Damage to Attacks
    Adds (4-95) to (70-1802) Lightning Damage to Attacks
    (30-49)% chance to Freeze, Shock and Ignite
    10% more Damage per Elemental Ailment on the Enemy
    80% more Area Radius against Enemies affected by an Ailment of the chosen Element
    Only Deals Damage of the chosen Element
    Deals no Damage of other Damage Types
    Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
    Elemental Hit skill icon.png
    , Glacial HammerGlacial HammerAttack, Melee, Cold
    Mana Cost: 5
    Cast Time: 1.00 sec
    Damage Effectiveness: (140%-182%)
    Hits the enemy, converting some of your physical damage to cold damage. If the enemy is frozen and is on less than one third life, they will shatter when hit by Glacial Hammer. Requires a Mace or Staff.Per 1% Quality:
    2% increased Chill Duration on enemies
    1% increased Freeze Duration on enemies
    Deals (140-181.8)% of Base Damage
    50% of Physical Damage Converted to Cold Damage
    25% chance to Freeze enemies
    35% increased Chill Duration on enemies
    (10-29)% increased Effect of Chill
    Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
    Glacial Hammer skill icon.png
    , Infernal BlowInfernal BlowAttack, AoE, Melee, Fire, Duration
    Radius: 15
    Mana Cost: 6
    Cast Time: 1.00 sec
    Requires Level 12Hit the target enemy, applying a charged debuff to it, 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, Staff or Unarmed.Per 1% Quality:
    0.5% increased Area of Effect
    Deals (100-122.8)% of Base Damage
    50% of Physical Damage Converted to Fire Damage
    Base duration is 0.8 seconds
    Explosion deals base Fire Damage equal to 6% of the corpse's maximum Life
    Debuff deals 66% of Damage per Charge
    +(0-3) to Melee range
    Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
    Infernal Blow skill icon.png
    and Lightning StrikeLightning StrikeProjectile, Attack, Melee, Lightning
    Mana Cost: 6
    Cast Time: 1.00 sec
    Damage Effectiveness: (130%-176%)
    Requires Level 12Infuses your melee weapon with electrical energies as you swing. In addition to converting some of your physical damage to lightning damage, the stored energy is released from the weapon as projectiles as you strike, flying out behind your target to hit farther-away enemies. The projectiles cannot miss if the melee attack hit its target.Per 1% Quality:
    1% increased Lightning Damage
    Deals (130-175.6)% of Base Damage
    50% of Physical Damage Converted to Lightning Damage
    Fires (4-7) additional Projectiles
    Projectiles deal 25% less Damage
    Damage over time caused by Projectiles deals 25% less Damage
    Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
    Lightning Strike skill icon.png
    have been reduced.
1.0.0
  • The effect for Infernal Blow has been improved.
0.11.4
  • Fixed a bug where Infernal Blow could still apply to targets if the attack missed.
0.10.2
  • Infernal Blow's physical damage now increases by 4% per level rather than 3%.
0.10.0
  • Now has +25% damage effectiveness rather than +12% attack damage.
0.9.12
  • Now works with unarmed attacks.
0.9.11i
  • Fixed Infernal Blow so that it benefits from increased area of effect.
0.9.4c
0.9.3g
  • Changed Infernal Blow to not have the damage scaled by mods that affect Spell Damage.
0.9.3c
  • Fixed a bug that caused damage bonuses to not appear on many weapon skills.
  • Increased damage by raising its flat damage bonus from 10% to 12%.
0.9.3
  • The stats which convert damage from one type to another now calculate the damage in a way
    that takes into account your physical damage bonuses.
  • Fixed a bug where Infernal Blow was able to explode an enemy several times.
0.9.2
  • Infernal Blow does more damage at higher levels than before.
0.8.6
  • Added new skill prototype: "Infernal Blow"


  1. Mark_GGG (February 3, 2013 5:35 AM). "Devs and other GD people - Kripps Death a good thing". Path of Exile Forum. Retrieved August 2, 2013.