Mage Armor

1st-level abjuration
Casting Time: 1 action
Components: VSM a piece of cured leather
Range: Touch
Duration: 8 hours
You touch a willing creature who isn’t wearing armor, and a protective magical force surrounds it until the spell ends. The target’s base AC becomes 13 + its Dexterity modifier. The spell ends if the target dons armor or if you dismiss the spell as an action.