Wearing any piece of apparel with the keyword ArmorLight or ArmorHeavyincluding equipping such an item after a Mage Armor spell has been cast, will completely negate the armor bonus from any Mage Armor perks. In some ways the protective spells in Alteration are an alternative to the Wards found in the school of Restoration. This skill makes it easier to cast spells like Waterbreathing, magical protection, and Paralysis. In-game Description: The School of Alteration involves the manipulation of the physical world and its natural properties. The Alteration skill tree has a total of 10 perks, requiring a total of 14 perk points to fill. Historical information about the School of Alteration is provided in the lore article.
Increasing this skill reduces magicka cost when casting Alteration spells. Alterationone of the five schools of magic in Skyrim, affects the world around it by altering the laws of reality and manipulating it to one's own accord.
