Greater Mage Armor

3rd-Level Aljuration
Casting Time: LAction
Range Touch
Components: V. S, M (a thin shect of metal)
Duration: 8 Hours
Spell Lists Sorcerer, Warlock, Wizard

You touch a wiling creature who ia not wearing armor, and a resilicnt magical force surrounds it until the spell ends. Unless it's higher. the target's base AC becomes 15 + its Dexterity modifier (Max of 3), and has Advantage on Dexterity (Stealth) checks. The spell ends if the targct dons armor or if you dismiss the spell on your turn (no Aetion required).