Fire | PoE2 Mechanic · WikiHere PoE2

What Fire does

Current rules

Evaluate the immediate Fire Hit and any resulting Ignite as separate damage events. The Hit applies Flammability before checking its own Ignite chance. A successful Ignite takes its base Magnitude from qualifying pre-mitigation Fire damage, then the Hit and Ignite are each mitigated separately. Penetration affects only the Hit, while Exposure changes the target's actual Resistance and can affect both.

Damage type, not skill type: Fire is a damage type. An Attack, Spell, Hit, or damage over time effect can deal Fire Damage when its damage and wording match, but the Fire tag does not by itself make a Skill an Attack, Spell, Hit, or Ignite source.
Fire scaling: Global increased Fire Damage applies to final Fire Damage that satisfies every other restriction in the modifier. Flat Fire Damage added locally to a Martial Weapon is included in that weapon's displayed damage, while a global modifier is applied later and does not rewrite the displayed weapon value.
Conversion and final type: Conversion inherent to a Skill occurs first and conversion from other sources occurs second. Fire Damage converted to another type scales with its new final type and no longer with Fire Damage modifiers. By default, the converted portion no longer contributes to Flammability or Ignite, and damage over time cannot be converted.
Fire Resistance: Fire Resistance mitigates Fire Damage. The default maximum Resistance is 75%, maximum Resistance cannot be raised above 90%, and negative Fire Resistance increases Fire Damage taken.
Flammability chance and timing: A Fire Hit inflicts base Flammability equal to 1% Ignite chance for every 5% of the target's Elemental Ailment Threshold dealt as pre-mitigation Fire Damage. That Flammability is applied before the same Hit checks whether it Ignites. Critical Hits do not inherently Ignite, but their larger damage can produce more Flammability and a stronger Ignite base.
Flammability stacking and duration: Multiple Flammability instances add together up to 100% Ignite chance and each has its own duration. The default duration is 8 seconds on monsters and 4 seconds on players. Flammability is a debuff, not an ailment, but modifiers to chance to inflict ailments increase the Flammability Magnitude applied.
Ignite base and duration: Ignite is a Fire damage over time ailment lasting 4 seconds by default. Its base Magnitude is Fire Damage per second equal to 20% of the qualifying Fire damage from the Hit. The base uses the Hit after the attacker's applicable damage modifiers but before target mitigation and Hit-specific damage taken effects.
Ignite scaling and overlap: A modifier that raises the qualifying source Hit can make the Ignite base larger, but the same general damage modifier is not applied a second time to the resulting Ignite. Ignite Magnitude scales the Ignite separately. Multiple Ignites can exist with independent durations, but only the highest-damage Ignite deals damage unless an explicit mechanic states another rule.
Exposure versus Penetration: Exposure lowers the target's actual Total Elemental Resistances, so it can increase damage from both a Fire Hit and a Fire Ignite. Penetration only treats Resistance as lower for Hits and does not directly increase Ignite damage. Penetration normally cannot take the Resistance used for a Hit below 0%.
Ignited Ground and non-Hit Fire: Ignited Ground repeatedly applies Flammability and Ignites after total Flammability reaches 50%. It lasts 4 seconds with a 2 metre radius by default unless its source states other values. Igniting aura effects now apply regular standard-duration Ignites rather than infinite-duration Ignites.
Burning is broader than Ignite: A target taking Fire damage over time is Burning, and Ignite is a common cause. Fire damage over time can exist without being an Ignite, so it does not automatically use Ignite Magnitude, apply Flammability, or satisfy wording that specifically requires an Ignite.
Explicit contribution overrides: Some Skills, passives, supports, or items explicitly allow another damage type to contribute to Flammability or Ignite Magnitude, or make an Ignite deal another damage type. Apply the exact scope written by that effect instead of assuming all non-Fire damage contributes.

Worked examples and interactions

10 cases

01

Fire Resistance

A 100 damage Fire Hit against 75% Fire Resistance deals 25 damage before later damage-taken effects. Against -20% Fire Resistance, it deals 120 damage.

Related: Fire Resistance, Resistances, Hit

02

Flammability from the first Hit

A Fire Hit dealing 100% of the target's Elemental Ailment Threshold inflicts 20% base Flammability. It applies that Flammability before the same Hit rolls its 20% chance to Ignite.

03

Stacking Flammability

Three active Flammability instances with 20%, 25%, and 15% Magnitude give the target 60% chance to be Ignited by a qualifying Hit. Each instance expires on its own timer, so the total chance can fall as older instances end.

04

Base Ignite

A Hit with 1,000 qualifying pre-mitigation Fire Damage creates a base Ignite of 200 Fire Damage per second for 4 seconds, or 800 total damage before Ignite Magnitude, duration, speed, and the target's mitigation are applied.

Related: Ignite, Hit, Damage

05

No repeated general scaling

If 100% increased Fire Damage raises a qualifying Fire Hit from 1,000 to 2,000 before mitigation, the base Ignite becomes 400 per second. The same 100% increase is not applied again to turn that Ignite into 800 per second. Ignite Magnitude is a separate scaler.

Related: Ignite, Item Modifiers, Hit

06

Partial conversion

A Skill converting 60% of 100 Fire Damage to Lightning has 40 Fire and 60 Lightning after conversion. By default, only the remaining 40 Fire contributes to Flammability and Ignite; the Lightning portion instead follows Lightning scaling and ailment rules.

07

Exposure, Penetration, and Ignite

Exposure changes the enemy's actual Fire Resistance, so it can affect both the Fire Hit and the later Ignite. Penetration changes the Resistance calculation only for the Hit and does not directly increase the Ignite damage.

Related: Exposure, Ignite, Hit, Resistances

08

Ignited Ground

Ignited Ground does not make a normal random Ignite roll. It repeatedly adds Flammability, begins Igniting at 50% total Flammability, and applies a standard-duration Ignite that can be reapplied after it expires.

09

Overlapping Ignites

If a target has Ignites dealing 200 and 350 damage per second, both keep their own durations but only the 350 damage per second Ignite deals damage while it remains the strongest active Ignite.

Related: Ignite, Ailments

10

Fire damage over time without Ignite

A source that simply deals Fire Damage over time makes the target Burning, but it is not automatically an Ignite. Ignite-specific Magnitude, consumption, spreading, and conditional effects require Ignite wording or another explicit rule.

Related: Ignite, Damage

Rare monster modifiers

1 linked

01

Extra Fire Damage

Gain 40% of Damage as Extra Fire Damage.

Limits and exceptions

10 rules

Fire is a damage type, not a guarantee that a Skill is an Attack, Spell, Hit, Projectile, Melee Skill, or damage over time effect.
Fire Damage no longer has an inherent Ignite chance. Hits gain their chance from the target's current Flammability, including the Flammability applied by that Hit.
Flammability Magnitude controls Ignite chance. It does not by itself increase Ignite damage; Ignite Magnitude is a separate value.
Critical Hits do not inherently Ignite. Their damage can still increase the Flammability and Ignite base produced by the Hit.
Penetration applies only to Hits and does not directly affect Ignite. Exposure changes actual Resistance and can affect both Hit and Ignite damage.
Fire Damage over time is Burning but is not always Ignite, and non-Ignite Fire Damage over time does not automatically apply Flammability.
Multiple Ignites can remain on a target, but only the strongest one deals damage unless an explicit mechanic changes that rule.
Damage over time cannot be converted. Converting the Fire portion of a Hit changes the final damage type and default ailment behavior of that portion.
Non-Fire damage contributes to Flammability or Ignite only when an explicit Skill, item, passive, support, or other effect says it does.
Ignited Ground and other effects that Ignite as though they Hit use their stated source damage and do not use an ordinary random Ignite roll before reaching 50% Flammability.

Related pages

12 connections

mechanicIgnite

Ignite is a damaging Elemental Ailment that deals Fire damage over time for four seconds by default. A Hit's chance to Ignite comes from the target's total Flammability, including Flammability applied by that same Hit.

mechanicIgnited Ground

Ignited Ground repeatedly applies Flammability to enemies standing on it and Ignites them when total Flammability reaches 50%. Its default duration is 4 seconds and its default radius is 2 metres.

mechanicFire Resistance

Fire Resistance reduces Fire damage taken. It is tracked independently from the other damage-type Resistances, has a default maximum of 75%, and can have a different uncapped value from the value currently used for mitigation.

mechanicResistances

Resistances reduce damage of their matching type. Fire, Cold and Lightning Resistances are Elemental Resistances. Chaos Resistance is separate and does not benefit from modifiers that only say Elemental Resistances.

mechanicExposure

Exposure is a Debuff that lowers one or more of the target's Resistances. It changes the target's actual resistance, can reduce it below zero, and can improve both Hit and non-Hit damage that uses the affected resistance.

mechanicDamage Conversion

Damage Conversion changes part or all of one Hit damage type into another. In Path of Exile 2, the converted portion uses only its new damage type for scaling, mitigation, and default ailment contribution. It no longer keeps the old damage type.

mechanicDamage

Damage is classified on three independent axes: source, delivery, and type. A component can come from an Attack, Spell, Thorns, or another source; deal a Hit or damage over time; and deal Physical, Fire, Cold, Lightning, or Chaos damage.

mechanicHit

A Hit is an instantaneous damage event. Any damage that is not damage over time is Hit damage, whether it comes from an Attack, a Spell, Thorns, or another effect.

mechanicAilments

Ailments are damage-type-related debuffs: Bleeding, Ignite, Chill, Freeze, Shock, Electrocute, and Poison. Some deal damage over time, while others impair the target.

mechanicItem Modifiers

Item modifiers are stat lines or rules attached to an item. They include implicit modifiers, explicit prefixes and suffixes, enchantments, corruption enchantments, crafted and Desecrated modifiers, fractured modifiers, and the fixed effects on Unique items.

mechanicAttack

An Attack is a skill with the Attack tag. It normally takes its base damage, attack speed, and base Critical Hit Chance from an equipped Martial Weapon, unless the skill states a different rule.

mechanicSpell

A Spell is a skill with the Spell tag. Any base damage, Cast Time, and base Critical Hit Chance it lists come from the skill rather than the inherent damage, Attack Speed, or base Critical Hit Chance on a weapon.

Items and gems using this mechanic

24 connections

Direct relationAncestral Cry

Perform a Warcry using Glory gained by Igniting enemies to turn you into an embodiment of Kaom. While embodying Kaom, you Trigger Volcanic Steps while travelling, Melee Strikes and Slams are Ancestrally Boosted, and your Melee Strikes Trigger Volcanic Eruption.

Direct relationBlackflame

(15-30)% increased Mana Regeneration Rate

BlackflameUnique | Amethyst Ring

RequiresLevel 20+(7-13)% to Chaos Resistance(15-30)% increased Mana Regeneration RateIgnite you inflict deals Chaos Damage instead of Fire Damage(80-100)% increased Ignite Magnitude(60-75)% reduced Ignite Duration on EnemiesWithered you inflict also increases Fire Damage takenWithered does not expire on Enemies Ignited by youuse unique blackflame ignite effect [1]Beyond the veil of death, there burns a fireby whose light night is borne.

Direct relationBlistering Bond

+(40-60) to maximum Life

Blistering BondUnique | Ruby Ring

RequiresLevel 8+(20-30)% to Fire Resistance+(40-60) to maximum Life(-15--10)% to Cold ResistanceYou take Fire Damage instead of Physical Damage from BleedingFire Damage also Contributes to Bleeding MagnitudeBleeding you inflict deals Fire Damage instead of Physical Damage"The Brotherhood of Silence does not set out to torture our targets.Excruciating pain is simply a byproduct of certain... necessary methods."

Direct relationDetonate Dead

Cause a Corpse to violently explode, damaging surrounding enemies.

Direct relationDetonating Arrow

Channel to charge up before firing off a burning arrow. At maximum stages, the arrow will create a Detonating explosion at the end of its flight.

Direct relationElemental Sundering

Plunge your Spear into the ground to emit a pulse that Consumes Freeze, Shock and Ignite on a number of nearby enemies, Allies and Corpses. The pulse itself deals no damage, but each Ailment Consumed causes an explosion of the corresponding elemental damage type.

Direct relationElemental Weakness

Curse all targets in an area after a short delay, lowering their Elemental Resistances.

Direct relationExplosive Spear

Hurl a single payload Spear that pierces through enemies and lodges in terrain where it lands. The Spear will explode at the end of its Detonation Time or if Detonated. Consumes a Frenzy Charge if you have one to explode immediately, dealing more damage in a cross-shaped area and creating Ignited Ground.

Direct relationFirebolt

Launch a fiery Projectile towards a target. The Projectile explodes on impact, damaging foes in a small area.

Direct relationFirestorm

Rain a storm of flaming bolts over the targeted area. Can Consume all three types of Elemental Infusion, creating a much larger storm when Fire-Infused, causing lightning bolts when Lightning-Infused, and raining ice bolts when Cold-Infused.

Direct relationFlameblast

Channel to build destructive energy around you. Releasing the energy causes a devastating explosion that is larger and more intense the longer you Channelled for.

Direct relationFlammability

Curse all targets in an area after a short delay, lowering their Fire Resistance.

Direct relationForge Hammer

Hurl a fiery hammer that Slams into the ground and lodges there. While the hammer is lodged in the ground, reusing this Skill recalls the hammer and resets the Skill's cooldown. Alternatively, using a Warcry near the lodged hammer causes it to shatter, releasing a number of Molten Fissures in a spiral.

Direct relationGas Arrow

Fire a noxious arrow at the ground, creating a cloud of flammable poisonous gas at the end of its flight. The cloud will detonate if hit by a Detonator skill or if an Ignited enemy touches it, creating a fiery explosion.

Direct relationHerald of Ash

While active, enemies you sufficiently Overkill with non-Herald Attacks will cause an explosion that Ignites nearby enemies based on the Overkill damage dealt.

Direct relationIncinerate

Gain fuel by spending Mana on any Skill, then use the accumulated fuel to conjure a torrent of Fire from your hand, Igniting enemies in front of you. The flames grow stronger the longer you Channel. Consumes a Fire Infusion if possible to also create Ignited Ground. Cannot gain fuel while using this skill.

Direct relationInfernal Cry

Perform a Warcry, Empowering subsequent Melee Attacks if there are enemies nearby. Enemies in the warcry's area are destabilised and will Combust on death. This Skill's cooldown can be bypassed by expending an Endurance Charge.

Direct relationMagma Barrier

While active, increases your Block Chance passively and imbues your Shield with lava over time. When fully imbued, your next Block with your Shield raised will expend the lava to Trigger the Magma Spray skill and grant you an Endurance Charge.

Direct relationMolten Blast

Gouge molten rock from the ground and fling it at the target. The Projectile explodes on collision, damaging enemies and scattering shrapnel in a cone behind it.

Direct relationPerfect Strike

Channel to charge up your weapon with Fire. Releasing with Perfect Timing will create a damaging wave of intense Fire.

Direct relationPurity of Fire

Emit an Aura that boosts the Fire Resistance of you and Allies in your Presence.

Direct relationSkeletal Arsonist

Activate to summon bomb-throwing, Reviving Skeletal Arsonists that can detonate other Minions on Command.

Direct relationSkeletal Sniper

Activate to summon long-ranged, Reviving Skeletal Snipers that can fire a gas arrow on Command.

Direct relationSpear of Solaris

Build Glory by inflicting Freeze, Shock or Ignite on enemies. When you have maximum Glory you may call forth the Azmeri goddess Solaris, jumping backwards and throwing your Spear in the air. On landing the spear deals heavy damage in an area, then calls a divine skybeam that pulses periodically and creates expanding Ignited Ground. Modifiers to number of Projectiles fired do not apply to this skill.