Shield Arm

You use shields not just for protection but also for offense. You gain the following benefits while you are wielding a shield:

• If you aren't incapacitated, you can add your shield's AC bonus to any Dexterity saving throw you make against a spell or other harmful effect that targets only you.
• If you are subjected to an effect that allows you to make a Dexterity saving throw to take only half damage, you can use your reaction to take no damage if you succeed on the saving throw, interposing your shield between yourself and the source of the effect. As well if a ranged attack is made against you from an enemy you can see you can make a Dexterity saving throw to attempt to prevent the range attack from hitting you.
• As a bonus action you may smash your shield into an enemy within 5 ft. of you dealing 1d6 of bludgeoning damage.