Chance to Ignite Support

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Chance to Ignite SupportFire, Support
Icon: i
Mana Multiplier: 120%
Requires Level 8Supports any skill that hits enemies.Per 1% Quality:
Supported Skills deal 0.5% increased Fire Damage
Supported Skills have (30-49)% chance to Ignite
Supported Skills deal (10-29)% more Fire Damage
This is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Active Skill Gem you wish to augment. Right click to remove from a socket.
Chance to Ignite Support inventory icon.png
Level: 8
Purchase Costs
Normal1x Orb of Transmutation
Sell Price
1x Scroll Fragment

Chance to Ignite is a support gem that grants supported skills that deal fire damage a chance to ignite the enemy. The normal rules for burning apply, linking this gem to a skill that deals no fire damage is pointless; unless the user is igniting enemies via cold damage skills with The Three DragonsThe Three Dragons
Golden Mask
Quality: +20%
Evasion: 115
Energy Shield: 22
Requires Level 35, 40 Dex, 40 Int+(26-30)% to all Elemental Resistances
Your Fire Damage can Shock but not Ignite
Your Cold Damage can Ignite but not Freeze or Chill
Your Lightning Damage can Freeze but not Shock
"The ice seared his naked feet
As the lightning stilled his heart,
But it was the flames upon his lover's face
That roused him to vengeance."
- From 'The Three Dragons' by Victario of Sarn
or HrimburnHrimburn
Goathide Gloves
Quality: +20%
Evasion: (86 to 98)
Requires Level 24, 17 Dex+(20-30) to Strength
Adds (5-7) to (13-15) Cold Damage to Spells and Attacks
+(40-50) to Evasion Rating
+(20-30)% to Cold Resistance
50% of Physical Damage Converted to Cold Damage
Reflects 10 Cold Damage to Melee Attackers
Your Cold Damage can Ignite
Giant's blood you cannot tame,
as wild as an unwatched flame.
, or via lightning damage using StormfireStormfire
Opal Ring
Requires Level 80(15-25)% increased Elemental Damage(40-45)% increased Mana Regeneration Rate
+(20-30)% to Fire and Lightning Resistances
(4-6)% increased Burning Damage for each Enemy you have Shocked Recently
Adds (1-3) to (62-70) Lightning Damage to Hits against Ignited Enemies
Your Lightning Damage can Ignite
When your skin sloughs, and your blood cooks,
you'll wish the lightning strike had killed you.

Skill functions and interactions

The Chance to Ignite an enemy given by this gem is independent of the chance to ignite an enemy as a result of a critical strike. The overall probability that an enemy will be ignited is:

 \pagecolor[RGB]{15,15,15} \color[RGB]{163,141,109} \text{ChanceToIgnite} = (1 - {\text{SkillCritChance}) * (1 - \text{SkillIgniteChance}) }

It is worth noting that as opposed to chance to critical strike, which is checked once for each cast of the skill, the chance to ignite is checked separately for each individual hit. For instance an explosion from Molten ShellMolten ShellSpell, AoE, Duration, Fire
Radius: 15
Mana Cost: (8 to 28)
Cast Time: 0.50 sec
Critical Strike Chance: 5.00%
Damage Effectiveness: 200%
Requires Level 4Summons fiery elemental shields providing additional armour for a short duration. If cumulative physical damage prevented by your blocking or armour reaches a threshold, the shields explode outwards, dealing fire damage to surrounding enemies.Per 1% Quality:
1% chance to Ignite enemies
Deals (14-1962) to (20-2943) Fire Damage
Shields break after (26-1508) total Damage is prevented
(17-943) additional Armour
Base duration is 10 seconds
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Molten Shell skill icon.png
linked with Chance to Ignite that hits two enemies at once could potentially ignite one enemy, but not the other.

The chance to Ignite from this gem will stack additively with chance to Ignite modifiers from other sources, such as from the Blaze notable passive skill, or the quality bonus on FireballFireballProjectile, Spell, AoE, Fire
Radius: 9
Mana Cost: (6 to 26)
Cast Time: 0.85 sec
Critical Strike Chance: 6.00%
Projectile Speed: 1040
Unleashes a ball of fire towards a target which explodes, damaging nearby foes.Per 1% Quality:
0.5% chance to Ignite enemies
Deals (7-739) to (10-1109) Fire Damage
(20-39)% chance to Ignite enemies
+(0-3) to radius
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Fireball skill icon.png

Gem level progression

more Fire
Exp.Total Exp.

Item acquisition

Quest reward

This skill is given as quest reward for the following quests:
Class →WitchShadowRangerDuelistMarauderTemplarScion
Quest ↓
The Caged Brute
Act 1

Vendor reward

This skill can be bought at the listed npc vendors after completing the following quests:
Class →WitchShadowRangerDuelistMarauderTemplarScion
Quest ↓
The Caged Brute
Act 1
A Fixture of Fate
Act 3
Fallen from Grace
Act 6
Lilly Roth

Version history

Version Changes
  • The Chance to Ignite Support Gem has been renamed to Combustion Support. Enemies ignited by supported skills lose up to 19% fire resistance. At gem level 20, it has 29% more fire damage, 49% chance to ignite, and -19% fire resistance on ignited enemies.
  • Chance to Ignite now grants 10% more Fire Damage at gem level 1, up to 29% more Fire Damage at gem level 20.
  • Increased mana cost multiplier from 100% to 110%.
  • Fixed a bug where Chance to Ignite did not scale properly under the Elemental Weakness curse.
  • Chance to Ignite has been added to the game.