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All Alchemy Effects

Weakness to Fire
Skyrim Poison Effect

Target is 17% weaker to fire damage for 60 seconds.

Weakness to Fire is a harmful alchemy effect in Skyrim, brewed into poisons. It is carried by 13 ingredients, the strongest being Hunger Tongue. Its potion strength scales with the Alchemy skill and perks.

It is the effect behind 5 ready-made potions, foods and poisons.

Potion Strength

Brewed from its strongest ingredient row, without Fortify Alchemy gear. Every mixture containing that ingredient reaches these numbers.
AlchemistPotionValue
Alchemy 15, no perksTarget is 17% weaker to fire damage for 60 seconds.97
Alchemy 100, no perksTarget is 24% weaker to fire damage for 60 seconds.142
Alchemy 100 with Alchemist 5, Physician, Benefactor, and PoisonerTarget is 60% weaker to fire damage for 60 seconds.389

Potions and Food

Ingredients

Strongest first. When two ingredients in a mixture share this effect, the stronger one's numbers are used.
IngredientMagnitudeDuration
Hunger Tongue
cc
460s
Strongest
×1.33 magnitude
×2 duration
Congealed Putrescence
cc
430s
×1.33 magnitude
Flame Stalk
cc
430s
×1.33 magnitude
Imp Gall
cc
430s
×1.33 magnitude
Bleeding Crown330s
Bliss Bug Thorax
cc
330s
Burnt Spriggan Wood
db
330s
Frost Salts330s
Ice Wraith Teeth330s
Juniper Berries330s
Moon Sugar330s
Powdered Mammoth Tusk330s
Spiddal Stick
cc
330s

Alchemy Calculator

Open the Alchemy Calculator with Weakness to Fire on the wishlist: it lists every ingredient pair that brews it, and computes the potion for your skill, perks, and gear.

Open the Alchemy Calculator