Polearm Master

Martial Feat (Prerequisite: Level 4+, Strength or Dexterity 13+)

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 Quarterstaff, a Spear, or a weapon that has the Heavy and Reach properties, you can use a Bonus Action to make a melee attack with the opposite end of the weapon. The weapon deals Bludgeoning damage, and the weapon's damage die for this attack is a d4.
• Reactive Strike. While you're holding a Quarterstaff, a Spear, or a weapon that has the Heavy and reach properties, you can take a Reaction to make one melee attack against a creature that enters the reach you have with that weapon.