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All Alchemy Effects

Fortify Block
Skyrim Potion Effect

Blocking absorbs 22% more damage for 60 seconds.

Fortify Block is a beneficial alchemy effect in Skyrim, brewed into potions. It is carried by 8 ingredients, the strongest being Aster Bloom Core. 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 perksBlocking absorbs 22% more damage for 60 seconds.107
Alchemy 100, no perksBlocking absorbs 30% more damage for 60 seconds.151
Alchemy 100 with Alchemist 5, Physician, Benefactor, and PoisonerBlocking absorbs 75% more damage for 60 seconds.414

Potions and Food

Ingredients

Strongest first. When two ingredients in a mixture share this effect, the stronger one's numbers are used.
IngredientMagnitudeDuration
Aster Bloom Core
cc
560s
Strongest
×1.25 magnitude
Bleeding Crown460s
Boar Tusk
db
460s
Pearl460s
Slaughterfish Scales460s
Tundra Cotton460s
Briar Heart260s
×0.5 magnitude
Honeycomb260s
×0.5 magnitude

Alchemy Calculator

Open the Alchemy Calculator with Fortify Block 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