Illusion
Skyrim Skill
Illusion is one of the 6 Mage skills in Skyrim, levelled from 15 to 100 by use. Its tree holds 13 perks.
As a school of magic it covers 18 tome spells from novice to master. It governs 5 weapons. It is raised by 14 enchantments, spells and effects.
Altmer (+10), Breton (+5) and Dunmer (+5) start with a bonus to it.
Illusion Builds
Open the character build planner with Illusion at 100, then pick perks from its tree and build the rest of your character around it.
Create a build with IllusionPerks
Cast Novice level Illusion spells for half Magicka.
Dual casting an Illusion spell overcharges the effects into an even more powerful version.
Illusion spells now work on higher level animals.
Cast Apprentice level Illusion spells for half Magicka.
Calm spells now work on higher level opponents. Cumulative with Kindred Mage and Animage.
All Illusion spells work on higher level people.
Cast Adept level Illusion spells for half Magicka.
Fear spells work on higher level opponents. Cumulative with Kindred Mage and Animage.
Frenzy spells work on higher level opponents. Cumulative with Kindred Mage and Animage.
Cast Expert level Illusion spells for half Magicka.
All spells you cast from any school of magic are silent to others.
Illusion spells work on undead, Daedra, and automatons.
Cast Master level Illusion spells for half Magicka.
Boosted by
Spells
Targets won't flee for 60 seconds and get extra Health and Stamina.
Caster is invisible for 15 seconds. Activating an object or attacking will break the spell. Can breathe water for 15 seconds. Improved night vision for 15 seconds.
Creatures and people up to level 14 will attack anyone nearby for 60 seconds.
Targets up to level 20 that fail to resist are frenzied for 30 seconds.
Caster becomes invisible and can open locks with level Expert and below for 5 seconds. Activating an object or attacking will break the spell.
Creatures and people up to level 20 won't fight for 60 seconds.
Creatures and people up to level 20 flee from combat for 30 seconds.
Caster is invisible for 30 seconds. Activating an object or attacking will break the spell.
Targets have improved combat skills, Health, and Stamina for 10 minutes.
Creatures and people up to level 25 flee from combat for 60 seconds.
Creatures and people up to level 25 will attack anyone nearby for 60 seconds.
Creatures and people up to level 25 nearby won't fight for 60 seconds.
Weapons
Creatures and people up to level 12 won't fight for 60 seconds.
Calms less powerful opponents for 60 seconds, and traps their souls should they die.
Creatures and people up to level 8 won't fight for 30 seconds.