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Igni Sign intensity is one of the effects exhibited by some items in The Witcher 3: Wild Hunt. It functions as a multiplier to the power of the Igni Sign. Below is an overview of all items that affect Igni Sign intensity.

Image Name Availability Type Effects
Tw3 alder folk boots.png Alder Folk boots Main campaign Boots +10 – 20% Igni Sign intensity
+5% Resistance to piercing damage
+5% Resistance to bludgeoning damage
+6% Resistance to slashing damage
+5% Resistance to damage from monsters
+5% Resistance to elemental damage
-3% Stamina regeneration
3.39 weight Not craftable
Tw3 silver unique arainne.png Arainne Main campaign Silver sword +4 – 10% Igni Sign intensity
+4 – 10% Yrden Sign intensity
+3 – 5% Critical hit chance
+10% Chance to cause bleeding
+1 – 2% Bonus experience from monsters
3.08 weight Not craftable
Tw3 steel unique ardaenye.png Ard'aenye Main campaign Steel sword +1 – 20% Igni Sign intensity
+3 – 3% Chance to cause burning
2.21 weight Not craftable
Tw3 silver unique blade of ys.png Blade of Ys Main campaign Silver sword +5 – 15% Igni Sign intensity
+2 – 5% Critical hit chance
+10% Chance to cause burning
+1 – 2% Bonus experience from monsters
2.16 weight Not craftable
Tw3 weapon gwent steel sword 1.png Blave Blood and Wine Steel sword +15% Aard Sign intensity
+24% Igni Sign intensity
+15% Axii Sign intensity
+75% Critical hit damage bonus
+15% Critical hit chance
2.18 weight Not craftable
Tw3 silver sword wolf.png Bleidd Main campaign Silver sword +1 – 10% Igni Sign intensity
+1 – 10% Quen Sign intensity
+10 – 20% Critical hit damage bonus
+2 – 3% Bonus experience from monsters
1.68 weight Not craftable
Tw3 steel unique caerme.png Caerme Main campaign Steel sword +1 – 10 Fire damage
+1 – 12% Igni Sign intensity
+1 – 10% Chance to dismember
3.26 weight Not craftable
Tw3 silver sword lvl7.png Dahlia (relic) Blood and Wine Silver sword +150 Armor piercing
+20% Igni Sign intensity
+50% Critical hit damage bonus
+10% Critical hit chance
+10% Chance to poison
2.11 weight Not craftable
Tw3 silver unique fate.png Fate Main campaign Silver sword +2 – 10% Igni Sign intensity
+2 – 10% Axii Sign intensity
+10% Chance to stagger
2.16 weight Not craftable
Tw3 weapon unique 1 silver sword 1.png Gesheft Blood and Wine Silver sword +20% Aard Sign intensity
+20% Igni Sign intensity
+20% Quen Sign intensity
+20% Yrden Sign intensity
+20% Axii Sign intensity
2.02 weight Not craftable
Tw3 legendary steel glory of the north.png Glory of the North Main campaign Steel sword +3 – 10% Igni Sign intensity
+6% Chance to cause burning
2.31 weight Not craftable
Tw3 glyph igni.png Glyph of Igni Main campaign Upgrade +5% Igni Sign intensity 0.01 weight Craftable
Tw3 glyph igni greater.png Greater glyph of Igni Main campaign Upgrade +10% Igni Sign intensity 0.02 weight Craftable
Tw3 silver unique gynvael aedd.png Gynvael Aedd Main campaign Silver sword +7 – 10% Igni Sign intensity
+8% Chance to cause bleeding
+1 – 3% Bonus experience from humans and nonhumans
+5 – 10% Bonus gold
2.18 weight Not craftable
Tw3 unique harvall.png Harvall Main campaign Steel sword +1 – 15% Igni Sign intensity
+9% Chance to cause burning
3.31 weight Not craftable
Tw3 steel unique vynbleidd.png Hope Main campaign Steel sword +1 – 20% Igni Sign intensity
+1 – 10% Chance to dismember
+1 – 5% Bonus experience from humans and nonhumans
3.86 weight Not craftable
Tw3 glyph igni lesser.png Lesser glyph of Igni Main campaign Upgrade +2% Igni Sign intensity 0.005 weight Craftable
Tw3 silver unique naevde sedhe.png Naevde Seidhe Main campaign Silver sword +8 – 15% Igni Sign intensity
+8 – 15% Yrden Sign intensity
+10% Chance to stagger
2.11 weight Not craftable
Tw3 armor new moon armor.png New Moon armor (magic) Hearts of Stone Chest armor +4% Igni Sign intensity
+25% Resistance to bludgeoning damage
+30% Resistance to slashing damage
+3 random item effects
8.55 weight Not craftable
Tw3 armor new moon boots.png New Moon boots (magic) Hearts of Stone Boots +15% Igni Sign intensity
+4% Resistance to bludgeoning damage
+4% Resistance to slashing damage
+3 random item effects
1.32 weight Not craftable
Tw3 armor ofieri boots.png Ofieri boots (crafted) Hearts of Stone Boots +10% Igni Sign intensity
+10% Quen Sign intensity
+20% Yrden Sign intensity
+5% Resistance to bludgeoning damage
+5% Resistance to slashing damage
+3% Stamina regeneration
2.66 weight Craftable
Tw3 armor ofieri gauntlets.png Ofieri gauntlets Hearts of Stone Gauntlets +10% Aard Sign intensity
+10% Igni Sign intensity
+20% Axii Sign intensity
+5% Resistance to bludgeoning damage
+5% Resistance to slashing damage
2.41 weight Craftable
Tw3 armor ofieri gauntlets.png Ofieri gauntlets (crafted) Hearts of Stone Gauntlets +10% Aard Sign intensity
+20% Axii Sign intensity
+10% Igni Sign intensity
+5% Resistance to bludgeoning damage
+5% Resistance to slashing damage
+2% Stamina regeneration
2.41 weight Craftable
Tw3 ofir steel sabre 2.png Ofieri kilij Hearts of Stone Steel sword +100 Armor piercing
+15% Aard Sign intensity
+15% Igni Sign intensity
+10% Critical hit chance
+10% Chance to cause burning
2.04 weight Not craftable
Tw3 ofir steel sabre.png Ofieri saber Hearts of Stone Steel sword +10% Aard Sign intensity
+20% Igni Sign intensity
+10% Axii Sign intensity
+75% Critical hit damage bonus
+15% Critical hit chance
2.38 weight Craftable
Tw3 ofir steel sabre.png Ofieri saber (crafted) Main campaign Steel sword +10% Aard Sign intensity
+10% Axii Sign intensity
+20% Igni Sign intensity
+15% Critical hit chance
+75% Critical hit damage bonus
2.38 weight Craftable
Tw3 boots 02.png Ornate boots (relic) Hearts of Stone Boots +6% Igni Sign intensity
+3% Resistance to piercing damage
+3% Resistance to slashing damage
+6% Resistance to elemental damage
+6% Resistance to Burning
+3% Stamina regeneration
1.17 weight Not craftable
Tw3 armor wedding suit.png Ornate robe (relic) Hearts of Stone Chest armor +20% Igni Sign intensity
+26% Resistance to piercing damage
+26% Resistance to slashing damage
+26% Resistance to elemental damage
+20% Resistance to Burning
+10% Stamina regeneration
2.17 weight Not craftable
Tw3 steel unique xentia.png Princess Xenthia's Sword Main campaign Steel sword +2 – 10% Igni Sign intensity
+2 – 10% Axii Sign intensity
+8% Chance to stagger
+1 – 4% Chance to dismember
1.74 weight Not craftable
Tw3 ep1 silver sword.png Sarrim Hearts of Stone Silver sword +15% Aard Sign intensity
+15% Igni Sign intensity
+15% Axii Sign intensity
+75% Critical hit damage bonus
+10% Critical hit chance
3.96 weight Craftable
Tw3 verden archers gambeson.png Shiadhal's armor Main campaign Chest armor +20% Igni Sign intensity
+25% Resistance to piercing damage
+10% Resistance to bludgeoning damage
+25% Resistance to slashing damage
+100% Resistance to Burning
+10% Stamina regeneration
3.12 weight Not craftable
Tw3 verden archers gambeson.png Shiadhal's armor (crafted) Main campaign Chest armor +20% Igni Sign intensity
+25% Resistance to piercing damage
+10% Resistance to bludgeoning damage
+25% Resistance to slashing damage
+100% Resistance to Burning
+10% Stamina regeneration
7.62 weight Craftable
Tw3 skellige gambeson.png Skellige gambeson (relic) Main campaign Chest armor +15% Resistance to slashing damage
+10% Resistance to piercing damage
+15% Resistance to bludgeoning damage
+10% Stamina regeneration
+8 – 15% Igni Sign intensity
+10% Stamina regeneration
1.00 weight Not craftable
Tw3 the emmentaler.png The Emmentaler Main campaign Steel sword +1 – 20 Fire damage
+1 – 12% Igni Sign intensity
3.61 weight Not craftable
Tw3 silver unique tlereg.png Tlareg Main campaign Silver sword +2 – 20% Igni Sign intensity
+12% Chance to freeze
+1% Bonus experience from monsters
3.61 weight Not craftable
Tw3 silver legendary tor zirael.png Tor Zireael (sword) Main campaign Silver sword +20 – 25% Igni Sign intensity
+5 – 15% Quen Sign intensity
+20% Chance to freeze
+1 – 2% Chance for instant kill
2.76 weight Not craftable
Tw3 armor guard 1a boots 1.png Toussaint Color Guardsman's boots (magic) Blood and Wine Boots +1% Igni Sign intensity
+4% Resistance to bludgeoning damage
+4% Resistance to slashing damage
+3% Stamina regeneration
+3 random item effects
0.79 weight Not craftable
Tw3 armor guard 2 armor 1.png Toussaint Ducal Guard Officer's armor (magic) Blood and Wine Chest armor +3% Adrenaline Point gain or 5% Igni Sign intensity
+25% Resistance to piercing damage
+30% Resistance to slashing damage
+3 random item effects
6.07 weight Not craftable
Tw3 armor toussaint armor 2.png Toussaint armor (magic) Blood and Wine Chest armor +4% Igni Sign intensity
+35% Resistance to piercing damage
+38% Resistance to slashing damage
-10% Stamina regeneration
+3 random item effects
7.41 weight Not craftable
Tw3 steel unique ultimatum.png Ultimatum Main campaign Steel sword +5 – 10% Igni Sign intensity
+17% Critical hit damage bomus
+2 – 4% Critical hit chance
+8% Chance to stagger
2.43 weight Not craftable
Tw3 weapon unique 1 steel sword 1.png Vitis Blood and Wine Steel sword +20% Aard Sign intensity
+20% Igni Sign intensity
+20% Quen Sign intensity
+20% Yrden Sign intensity
+20% Axii Sign intensity
3.21 weight Not craftable