Shield Basher

You have mastered slamming into people with shields. When you take the attack action, you can make an attack with your shield. You are proficient with this attack, and it uses your strength score. If you hit, you can inflict one of the following effects on the target:

• Damage: Your target takes 1d12 + your Strength modifier bludgeoning damage.
• Knockback. You can move the target up to 15 feet in a direction of your choice.
• Stun. The target is stunned until the beginning of your next turn. At the start of its turn, the target can make a Constitution Saving Throw, ending the effect on a success.