Martial Shield Specialist

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

• • You treat shields as martial melee weapons that deal 1d8 bludgeoning damage
  • Shields now have the thrown property as well. Damage of 1d6 and a range of 15\45
  • You may add your proficiency bonus when making an attack with a shield
  • You add your strength modifier to damage with a shield
  • Shield is passively held in one arm, leaving the hand free
  • When you use a shield as a throwing weapon, forgo your shield bonus to AC until the shield returns. 
  • This feat disallows dual wielding and attacking with more than 1 weapon