Robe of the Archmagi
Wondrous Item, Legendary (Requires Attunement by a Sorcerer, Warlock, or Wizard)
Cost: 200,000 gp
This elegant garment is made from exquisite cloth and adorned with runes.
You gain these benefits while wearing the robe.
Armor
If you aren't wearing armor, your base Armor Class is 15 plus your Dexterity modifier.
Magic Resistance
You have Advantage on saving throws against spells and other magical effects.
War Mage
Your spell save DC and spell attack bonus each increase by 2.