Tenacity

Increase your Strength or Dexterity score by 1, to a maximum of 20.

When you deal bludgeoning damage with a weapon that you are proficient and also has the heavy property, Once per turn if you miss an attack you can choose to deal bludgeoning damage equal to half of your STR modifier rounded up You can inflict this damage only when you miss the attack and once per turn.

The bludgeoning damage you deal to structures and objects is doubled.