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Mana Cost: 6
Cast Time: 1.00 sec
Critical Strike Chance: 5.00%
Damage Effectiveness: (130% to 160%)Hits the enemy, converting some of your physical damage to fire damage. If the enemy dies soon after being hit, they will explode, dealing fire damage to nearby enemies. The damage from this explosion cannot be reflected. Requires a Sword, Axe, Mace, Staff or Unarmed.Per 1% Quality:
0.5% increased Area of EffectDeals (130-160.4)% of Base Damage
50% of Physical Damage Converted to Fire Damage
Base duration is 0.5 seconds
Explosion deals base Fire Damage equal to 10% of the corpse's maximum LifePlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.Acquisition
Level: 5Purchase Costs
|Normal||1x Scroll of Wisdom|
1x Scroll Fragment
Tracing a series of fiery runes on the length of their weapon, the caster prepares to unleash the Infernal Blow. Once imbued with fiery energy, the weapon discharges the moment it strikes any enemy. Infernal Blow burns anything struck with searing Hellfire, incinerating bone, flesh and armor. Perhaps the deadliest property of the enchantment lies in what follows a fatal hit. Any foe slain by Infernal Blow will explode in a violent conflagration, showering anything nearby with flame, igniting and killing with abandon. Masters of the Infernal Blow delight in watching enormous chain reactions of detonating victims.Description on the official Path of Exile website 
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.
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
This skill is not given as quest reward.
Vendor rewardThis skill can be bought at the listed npc vendors after completing the following quests:
|Enemy at the Gate|
|A Fixture of Fate|
|Fallen from Grace|
Related helmet enchantments
The following helmet enchantments affect Infernal Blow
|EnchantmentInfernalBlowDamage1||66||25% increased Infernal Blow Damage|
|EnchantmentInfernalBlowDamage2||75||40% increased Infernal Blow Damage|
|EnchantmentInfernalBlowPhysicalDamagePercentToAddAsFireDamage1||66||10% of Infernal Blow Physical Damage gained as Extra Fire Damage|
|EnchantmentInfernalBlowPhysicalDamagePercentToAddAsFireDamage2_||75||15% of Infernal Blow Physical Damage gained as Extra Fire Damage|
|EnchantmentInfernalBlowRadius1||66||8% increased Infernal Blow Area of Effect|
|EnchantmentInfernalBlowRadius2||75||12% increased Infernal Blow Area of Effect|
- "Strength skills". Official Path of Exile website.
- 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.