Curvature

The very fabric of reality around you is rendered malleable, allowing you to manipulate it and bend incoming attacks out of your way.
For the duration of the spell, the target adds their spellcasting ability modifier to their Armor Class and gains advantage to Dexterity Saving Throws. If they succeed a dexterity saving throw to take half damage from an effect, they take no damage instead.
If the target does not have the Spellcasting or Pact Magic feature, or innate spellcasting of any kind, the spell fails automatically.
This spell automatically fails if the target is wearing armor or wielding a shield, and it ends immediately as soon as they equip either one. Additionally the bonuses granted by this spell do not stack with other effects or features that add ability modifiers other than dexterity to the target's armor class (such as the Bladesinger Wizard's Bladesong feature, or the Barbarian and Monk's unarmored defense features).