Melee Spear Master

* When you use the attack action to make a melee attack with a Spear you are proficient with, you can make a second attack using the butt end of the spear, the attack damage is equal to your Martial Arts die in bludgeoning damage.

* When a melee attack is made against you, you can use your reaction and use your spear to impose disadvantage on the attack role.

*  When a creature misses you with a melee attack, you may use your reaction to make a melee attack against it with your spear.