Flammability

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Flammability is a Debuff that provides the chance for Hits to Ignite the target. It is not itself an Ailment, but is closely associated with Ignite, which is.

Fire damage from Hits Contributes to the Magnitude of Flammability, so Hits that deal more Fire damage will Ignite more often.
The base Magnitude of Flammability is 1% chance to Ignite the target for every 5% of the target's Ailment Threshold dealt as Fire damage. Flammability from a Hit is applied before that hit checks whether it should Ignite the target, and so will affect that chance for that Hit to Ignite.

Since chance for Hits to Ignite comes from Flammability on the target, modifiers which increase the chance to inflict Ailments will increase the Magnitude of Flammability inflicted.

Effects which do not Hit targets, but Ignite as if they had, such as Ignited Ground, also inflict Flammability, but do not roll a random chance to Ignite. Such effects will only Ignite once the total Flammability on the target reaches 50%.

Multiple instances of Flammability stack, raising the chance for Hits to Ignite the target up to 100%. Each instance of Flammability has its own independent duration, lasting 8 seconds by default.

Flammability is a debuff aligned with fire damage. It adds a chance for hits that deal fire damage to inflict ignite based on Flammability magnitude.

Mechanics

The chance for hits to apply ignite depends on the total magnitude of all Flammability debuff stacks on the target, which itself is dependent on the amount of pre-mitigation fire damage dealt relative to the monster's ailment threshold. Each 1% Flammability magnitude grants 1% chance to Ignite per 5% of ailment threshold a hit deals, up to 100% Flammability magnitude. This can include other damage types if they can contribute to Ignite magnitude. Each stack of Flammability has an independent additive magnitude. Critical hits do not inherently apply ailments, but they do indirectly affect the Flammability magnitude and therefore the chance to ignite due to critical damage bonus affecting the damage dealt.

Effects which do not hit but ignite enemies as though they did (e.g. IncinerateIncinerateSpell, AoE, Sustained, Fire, Duration, Channelling, Staged
Tier: 13
Level: (1-20)
Cost: (5-53) Mana per second
Cast Time: 0.25 secConjure a torrent of Fire from your hand, Igniting enemies in front of you. The flames grow stronger the longer you Channel for, and at maximum strength also apply stacking Fire Exposure and creating Ignited Ground.25% less Ignite duration
Modifers to cast speed also affect this skill's cost
Cone length is 4.6 metres
Fire Exposure duration is 8 seconds
Deals 40% more damage per stage
Inflicts stacking Fire Exposure at maximum stages, reducing Fire Resistance by (4-7)% per stack, up to a maximum of 50%
8 maximum stages
Ignites as though dealing (10-314) to (15-470) Fire damage

Additional Effects From 1-20% Quality:
(1-20)% increased Magnitude of Ignite you inflictSkills can be managed in the Skills Panel. or Ignited Ground) also inflict Flammability but cannot ignite targets until the target has at least 50% Flammability magnitude.

While Flammability is not an ailment, modifiers to ailment chance will affect Flammability magnitude.

Flammability lasts 8 seconds on enemies, and 4 seconds on players. Flammability can stack, and each instance of Flammability has its own timer.

Any stats which remove, consume, or grant immunity to ignite have the same effect for Flammability.

Related skills

Gem	Tier
Explosive ConcoctionExplosive ConcoctionAttack, AoE, Projectile, Fire, Duration Level: (1-20) Critical Strike Chance: 5.00% Attack Damage: (70-185)% of baseConsume charges from your Mana Flask to throw a bottle that explodes, dealing Fire attack damage in an area. Additional smaller flasks are thrown at nearby Ignited Enemies.(14–384) to (21–576) base Fire Damage Inflicts 100% more Flammability Magnitude Consumes 5 Charges from your Mana Flask Explosion radius is 1.8 metres Mini Flasks Attack Damage: (50-145)% Explosion radius is 1.2 metres Throw additional Projectiles at up to 4 Ignited Enemies Cannot IgniteSkills can be managed in the Skills Panel.	0
Pinnacle of PowerPinnacle of PowerSpell, Buff, Lightning, Cold, Fire, Duration, Conditional Level: 1 Cost: 93 Mana Cooldown Time: 4.00 sec Can Store 1 Use(s) Cast Time: InstantConsume all Power Charges to master the elements, gaining Elemental Damage and the ability to apply Elemental Ailments with other damage types. Can only be used while you have maximum Power Charges.Buff duration is 5 seconds per Power Charge Consumed 8% more Elemental Damage per Power Charge Consumed Buff causes all Elemental Damage to Contribute to Flammability and Ignite Magnitudes, Shock chance, and Freeze buildup Additional Effects From 1-20% Quality: +(0.1-2)% more Elemental Damage per Power Charge ConsumedSkills can be managed in the Skills Panel.	0
Incendiary ShotIncendiary ShotAttack, AoE, Ammunition, Projectile, Fire Tier: 3 Level: 1Load your Crossbow with flaming bolts that fragment in flight, damaging and Igniting enemies on hit and in a small cone behind their final target.Converts 80% of Physical Damage to Fire Damage Knocks Back enemies Ignites you inflict with this skill deal Damage 200% faster Inflicts 300% more Flammability Magnitude Consumes 30 Heat if possible to gain 50% more Ignite Magnitude Bolts shatter on impact, dealing Damage in a 1.9 metre cone Fires 10 fragments per shot 30% increased Ignite duration for each Fragment in a single hit Multiple fragments can Hit the same target Multiple Fragments hitting a target simultaneously will combine their damage into a single HitSkills can be managed in the Skills Panel.	3

Persistent skills

Gem	Tier

Related support gems

Gem	Tier
Xoph's PyreXoph's PyreSupport, Lineage Category: Breachlord Cost & Reservation Multiplier: 120%Requires Level 65 Support Requirements: +5 StrSupports Skills that can cause Damaging Hits, granting extra Chaos damage and causing Chaos damage to Contribute to Ignites.Chaos Damage from Hits with Supported Skills also Contributes to Flammability and Ignite Magnitudes Supported Skills Gain 20% of Fire Damage as Extra Chaos Damage"They drank until only dust remained. Ate until their gums bled rust. Such was their greed, the only thing that remains of the Broken Sun... is the Red Pyre, the Torus Eternal."Place into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	0
Eternal Flame IEternal Flame ISupport, Fire Category: Eternal Flame Tier: 1 Cost & Reservation Multiplier: 120%Support Requirements: +5 StrSupports any skill that Hits enemies, causing its Ignites to be inflicted less often but last longer.Supported Skills have 100% increased Ignite Duration on Enemies Supported Skills have 25% less Flammability MagnitudePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	1
Ignite IIgnite ISupport, Fire Category: Ignite Tier: 1 Cost & Reservation Multiplier: 120%Support Requirements: +5 StrSupports any skill that Hits enemies, making it more likely to Ignite.Supported Skills have 100% more Flammability MagnitudePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	1
Ignite IIIgnite IISupport, Fire Category: Ignite Tier: 3 Cost & Reservation Multiplier: 120%Support Requirements: +5 StrSupports any skill that Hits enemies, making it more likely to Ignite.Supported Skills have 150% more Flammability MagnitudePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	3
Ignite IIIIgnite IIISupport, Fire Category: Ignite Tier: 5 Cost & Reservation Multiplier: 120%Support Requirements: +5 StrSupports any skill that Hits enemies, making it more likely to Ignite and causing inflicted Ignites to deal their damage more quickly.Ignites from Supported Skills deal Damage 15% faster Supported Skills have 200% more Flammability MagnitudePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	5

Related unique items

Item	Base item	Item class		Stats
Fairgraves' CurseFairgraves' Curse Artillery BowBow Physical Damage: 40-74 Critical Strike Chance: 5.00% Attacks per Second: 1.15Requires Level 60, 82 DexGrants Skill: Level (12-20) Phantasmal Arrow 50% reduced Projectile RangeAdds (76–98) to (126–193) Fire Damage (30–50)% increased Flammability Magnitude (10–20)% increased Ignite Magnitude 30% reduced Life Recovery rate -30 Physical Damage taken from Hits Attack Hits inflict Spectral Fire for 8 secondsThe power of the Allflame rends souls just as easily as flesh.	Artillery Bow	Bow	60	Grants Skill: Level (12-20) Phantasmal Arrow 50% reduced Projectile RangeAdds (76–98) to (126–193) Fire Damage (30–50)% increased Flammability Magnitude (10–20)% increased Ignite Magnitude 30% reduced Life Recovery rate -30 Physical Damage taken from Hits Attack Hits inflict Spectral Fire for 8 seconds

Version history

Version	Changes
0.3.0	Fire Damage no longer inherently has a chance to Ignite. Instead it inflicts Flammability on the enemy based on the damage dealt. Flammability is a debuff that lasts for 8 seconds on Monsters and grants all Fire Damage against the enemy (including the hit that applied Flammability) a chance to Ignite that enemy equal to their Flammability magnitude. Flammability lasts for 4 seconds on Players.