Skip to content
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. The Alchemist and Benefactor perks strengthen it.

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

Used in Builds

Lvl 62
8 / 8
4 / 9
6 / 10
4 / 9
8 / 8
7 / 10
Kolossaler Tank
Warrior Tank build
Lvl 252
10 / 10
9 / 9
14 / 14
9 / 9
15 / 15
9 / 9
JJeanioz
Skyrim build
Lvl 81
9 / 9
8 / 8
6 / 10
7 / 9
11 / 11
10 / 10
Jeanioz
Skyrim build

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

Boosted by

Alchemist (5 ranks)
Potions and poisons you make are 20% stronger.
Benefactor
Potions you mix with beneficial effects have an additional 25% greater magnitude.

Potions and Food

Potions, Food and Poisons (5)
Crab Cakes
Craftable Food

Restores 15 points of Health.

Blocking absorbs 5% more damage for 60 seconds.

Restores 220 Hunger

5 0.1
cc
Draught of the Defender
Potion

Blocking absorbs 15% more damage for 60 seconds.

70 0.5
Elixir of the Defender
Potion

Blocking absorbs 25% more damage for 60 seconds.

247 0.5
Philter of the Defender
Potion

Blocking absorbs 20% more damage for 60 seconds.

193 0.5
Potion of the Defender
Potion

Blocking absorbs 10% more damage for 60 seconds.

54 0.5

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