Master Robes of Alteration

{{item infobox
 * imageF = MasterRobes_female.png
 * imageM = MasterRobes_male.png
 * type = Mage armor
 * slot = Chest
 * damage =
 * armor = 0
 * weight = 1
 * value = 3373
 * level = 40
 * ingredients =
 * descr = Alteration spells cost 22% less to cast. Magicka regenerates 150% faster.

Found
}}
 * Loot
 * Sold by Tolfdir
 * id = 0010d66f