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Mana Cost: 6
Cast Time: 1.00 sec
Effectiveness of Added Damage: (104%-133%)Requires Level 12Attacks 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.Per 1% Quality:
0.5% increased Area of EffectDeals (103.9-133)% 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
(5-75) to (8-113) Added Attack Fire Damage
+(0-2) to Melee rangePlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.Acquisition
Level: 12Purchase Costs
|Normal||1x Orb of Transmutation|
1x Scroll FragmentMiscellaneous
Item class: Active Skill Gems
Metadata ID: Metadata/Items/Gems/SkillGemInfernalBlow
Infernal Blow is a melee attack skill that converts half 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.
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.
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. 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.
Gem level progression
|Fire Damage||Range||Exp.||Total Exp.|
|1||12||33||104%||103.9%||5 to 8||N/A||0||0|
|2||15||39||105%||105.4%||7 to 10||N/A||15,249||15,249|
|3||19||48||107%||106.9%||8 to 13||N/A||41,517||56,766|
|4||23||56||108%||108.5%||11 to 16||N/A||81,983||138,749|
|5||27||64||110%||110%||13 to 19||N/A||147,968||286,717|
|6||31||73||112%||111.5%||16 to 24||N/A||250,557||537,274|
|7||35||81||113%||113.1%||19 to 28||1||405,086||942,360|
|8||38||88||115%||114.6%||22 to 32||1||447,718||1,390,078|
|9||41||94||116%||116.1%||25 to 37||1||615,318||2,005,396|
|10||44||100||118%||117.7%||28 to 42||1||834,639||2,840,035|
|11||47||106||119%||119.2%||32 to 47||1||1,570,760||4,410,795|
|12||50||113||121%||120.7%||36 to 54||1||1,633,987||6,044,782|
|13||53||119||122%||122.3%||40 to 60||1||2,151,030||8,195,812|
|14||56||125||124%||123.8%||45 to 68||2||2,812,189||11,008,001|
|15||59||132||125%||125.3%||51 to 76||2||5,099,360||16,107,361|
|16||62||138||127%||126.9%||56 to 85||2||9,400,731||25,508,092|
|17||64||142||128%||128.4%||61 to 91||2||15,273,366||40,781,458|
|18||66||146||130%||129.9%||65 to 98||2||26,286,582||67,068,040|
|19||68||151||131%||131.5%||70 to 105||2||62,890,590||129,958,630|
|20||70||155||133%||133%||75 to 113||2||212,046,017||342,004,647|
|21||72||159||135%||134.5%||81 to 122||3||N/A||N/A|
|22||74||N/A||136%||136.1%||87 to 130||3||N/A||N/A|
|23||76||N/A||138%||137.6%||93 to 140||3||N/A||N/A|
|24||78||N/A||139%||139.1%||100 to 150||3||N/A||N/A|
|25||80||N/A||141%||140.7%||107 to 160||3||N/A||N/A|
|26||82||N/A||142%||142.2%||114 to 172||3||N/A||N/A|
|27||84||N/A||144%||143.7%||123 to 184||3||N/A||N/A|
|28||86||N/A||145%||145.3%||131 to 197||4||N/A||N/A|
|29||88||N/A||147%||146.8%||140 to 210||4||N/A||N/A|
|30||90||N/A||148%||148.3%||150 to 224||4||N/A||N/A|
|31||91||N/A||149%||149.1%||155 to 232||4||N/A||N/A|
|32||92||N/A||150%||149.9%||160 to 240||4||N/A||N/A|
|33||93||N/A||151%||150.6%||165 to 248||4||N/A||N/A|
|34||94||N/A||151%||151.4%||171 to 256||4||N/A||N/A|
|35||95||N/A||152%||152.2%||176 to 265||5||N/A||N/A|
|36||96||N/A||153%||152.9%||182 to 273||5||N/A||N/A|
|37||97||N/A||154%||153.7%||188 to 282||5||N/A||N/A|
|38||98||N/A||154%||154.5%||194 to 292||5||N/A||N/A|
|39||99||N/A||155%||155.2%||201 to 301||5||N/A||N/A|
|40||100||N/A||156%||156%||207 to 311||5||N/A||N/A|
This item can be acquired through the following upgrade paths or vendor recipes:
|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||Automatic|
|3||Gemcutter's PromiseGemcutter's Promise3Superior Gem|
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 superior gem (Q20)||Automatic|
This item is given as quest reward for the following quests:
|The Siren's Cadence|
This item can be bought at the listed npc vendors after completing the following quests:
|The Siren's Cadence|
|A Fixture of Fate|
|Fallen from Grace|
Related helmet enchantments
The following helmet enchantments affect Infernal Blow.
|Enchantment Infernal Blow Damage 1||66||25% increased Infernal Blow Damage||helmet 75|
|Enchantment Infernal Blow Damage 2||75||40% increased Infernal Blow Damage||helmet 75|
|Enchantment Infernal Blow Increased Damage Per Stack 1||66||Infernal Blow Debuff deals an additional 3% of Damage per Charge||helmet 75|
|Enchantment Infernal Blow Increased Damage Per Stack 2||75||Infernal Blow Debuff deals an additional 5% of Damage per Charge||helmet 75|
|Enchantment Infernal Blow Physical Damage Percent To Add As Fire Damage 1||66||10% of Infernal Blow Physical Damage gained as Extra Fire Damage||helmet 75|
|Enchantment Infernal Blow Physical Damage Percent To Add As Fire Damage 2||75||15% of Infernal Blow Physical Damage gained as Extra Fire Damage||helmet 75|
|Enchantment Infernal Blow Area Of Effect 1||66||8% increased Infernal Blow Area of Effect||helmet 75|
|Enchantment Infernal Blow Area Of Effect 2||75||12% increased Infernal Blow Area of Effect||helmet 75|
- 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.
- Mark_GGG (Jun 6, 2018, 6:22:38 PM). "So I still don't understand the new mechanics of Infernal Blow at all... (Page 1)". Path of Exile Forum. Retrieved November 13, 2018.
- Mark_GGG (Jun 7, 2018, 5:47:47 PM). "So I still don't understand the new mechanics of Infernal Blow at all... (Page 2)". Path of Exile Forum. Retrieved November 13, 2018.