Alteration
Skyrim Skill
Alteration is one of the 6 Mage skills in Skyrim, levelled from 15 to 100 by use. Its tree holds 10 perks.
As a school of magic it covers 18 tome spells from novice to master. It governs 3 weapons. It is raised by 8 enchantments, spells and effects.
It gets a starting bonus for 5 races, the largest being Altmer at +5.
Alteration Builds
Open the character build planner with Alteration at 100, then pick perks from its tree and build the rest of your character around it.
Create a build with AlterationPerks
Cast Novice level Alteration spells for half Magicka.
Dual casting an Alteration spell overcharges the effects into an even more powerful version.
Cast Apprentice level Alteration spells for half Magicka.
Protection spells like Stoneflesh are twice as strong if not wearing armor.
Blocks 10% of a spell's effects.
Cast Adept level Alteration spells for half Magicka.
Cast Expert level Alteration spells for half Magicka.
Alteration spells have greater duration.
Absorb 30% of the Magicka of any spells that hit you.
Cast Master level Alteration spells for half Magicka.
Boosted by
Alteration spells cost 8% less to cast.
Alteration spells cost 5% less to cast.; Magicka regenerates 10% faster.
Alteration spells cost 10% less to cast.; Conjuration spells cost 10% less to cast.; Destruction spells cost 10% less to cast.; Illusion spells cost 10% less to cast.; Restoration spells cost 10% less to cast.
Spells cost 3% less to cast.
Alteration spells cost 5% less to cast.; Conjuration spells cost 5% less to cast.; Destruction spells cost 5% less to cast.; Restoration spells cost 5% less to cast.; Illusion spells cost 5% less to cast.
Alteration spells cost 15% less to cast.; Conjuration spells cost 15% less to cast.; Destruction spells cost 15% less to cast.; Restoration spells cost 15% less to cast.; Illusion spells cost 15% less to cast.; Magicka regenerates 100% faster.
Alteration spells cost 15% less to cast.; Conjuration spells cost 15% less to cast.; Destruction spells cost 15% less to cast.; Restoration spells cost 15% less to cast.; Illusion spells cost 15% less to cast.; Magicka regenerates 100% faster.; Increases your Magicka by 50 points.
Conjuration spells cost 20% less to cast.; Illusion spells cost 20% less to cast.; Alteration spells cost 20% less to cast.
Spells
Transmutes one piece of unrefined Iron or Silver ore to Gold if the caster is carrying any.
Transmutes one piece of unrefined Iron ore to Silver, or Silver ore to Gold if the caster is carrying any.
Can pull an object to you from a distance, add it to your inventory, or throw it.
Cast on a nearby surface, it explodes when enemies are nearby, immobilizing them for 8 seconds.
Nearby living creatures, but not undead, machines, or Daedra, can be seen through walls.
Can breathe water for 60 seconds.
Targets that fail to resist are immobilized in hardened ash for 30 seconds.
Improves the caster's armor rating by 80 points for 60 seconds.
Nearby dead can be seen through walls.
Improves the caster's armor rating by 100 points for 60 seconds.
Cast on a nearby surface, it explodes when enemies are nearby, immobilizing them in hardened ash for 30 seconds.
Targets that fail to resist are paralyzed for 10 seconds.