Blade Ward
Abjuration Cantrip (Bard, Sorcerer, Warlock, Wizard)
Casting Time: 1 Action
Range: Self
Components: V, S
Duration: Concentration, up to 1 minute
Damage/Effect: Combat
Whenever a creature makes an attack roll against you before the spell ends, the attacker subtracts 1d4 from the attack roll.