Greatsword Master

General Feat (Prerequisite: Level 4+, Strength or Dexterity 18+)

You gain the following benefits.

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

Pole Strike. Immediately after you take the Attack action and attack with a Greatsword, you can use a Bonus Action to make a melee attack with the pommel of the sword if within 5 feet of an enemy or half your reach if greater than 5 feet (rounded down). The strike deals Bludgeoning damage, and the weapon’s damage die for this attack is a d6.

Reactive Strike. While you’re holding a Greatsword, you can take a Reaction to make one melee attack against a creature that enters the reach you have with that weapon.