Shield
1-level Abjuration
Casting Time: 1 Reaction
Range/Area: Self
Components: Verbal (non arcane casters), Somatic
Duration: 1 Round, which you take when you are hit by an attack or targeted by the magic missile spell.
An invisible barrier of magical force appears and protects you. Until the start of your next turn, you have a +5 bonus to AC, including against the triggering attack, and you take no damage from magic missile.