Monk: Way of the Unbreakable

Monks of the Way of the Unbreakable train their bodies and minds in the most inhospitable environments. Some steel their bodies to become unstoppable warriors, while others undergo the brutal hardships of the Way of the Unbreakable to protect those they hold dear.

Brawny Defense
3rd level feature

You have trained your body to be resistant to attacks. You may add your Strength modifier to your AC as part of your Unarmored Defense ability instead of Dexterity.

Steely Retribution
3rd level feature

You easily deflect blows with your tough body, sending your opponent reeling. Whenever a creature within 5 feet of you makes a melee attack against you, they receive an amount of bludgeoning damage equal to your Strength or Dexterity modifier.