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Skyrim:Fortify Alteration

< Skyrim: Magic: Magical Effects
SR-icon-spell-Magic Hat.png Fortify Alteration
School Restoration
Type Defensive
ID 0003eb24
Base Cost 0.2
Base Mag 4
Base Dur 60
ID 0007a0f2
Base Cost 21
Items Head, Neck, Chest, Finger
(Click on any item for details)
Built-In Potions

Alchemy description: Alteration spells last <mag>% longer for <dur> seconds.
Enchanting description: Alteration spells cost <mag>% less to cast.
There are two distinct Fortify Alteration effects: one from Alchemy-created potions and one granted by enchanting armor. Their effects are as follows.


In potions, Fortify Alteration increases the duration of Alteration magic.

The following alchemy ingredients can be used to create a potion of Fortify Alteration:


In enchantments, Fortify Alteration decreases the cost of Alteration spells, and the use cost of Alteration based enchantments.

The following items use this effect. You can learn how to enchant custom items with Fortify Alteration if you find one of the following items and disenchant it:

  • All varieties of Armor, Helmets, and Rings of Alteration
    • Includes the enchantments of Minor Alteration, of Major Alteration, of Extreme Alteration, of Eminent Alteration, and of Peerless Alteration.
  • All varieties of Robes of Alteration

Artifacts and unique items that use the effect but cannot be disenchanted include:

Items to EnchantEdit

The Fortify Alteration effect can be applied to the following items:

  • Circlets, Hoods, and Helmets
  • Chest Pieces
  • Necklaces
  • Rings


The alchemy version of Fortify Alteration does not affect the Alteration spells Transmute and Telekinesis.