Way of the Fist

Study, study, study.  Study your body, study your enemy, study anatomy, all to achieve personal perfection.  Observe your enemy and lay them out in spite of their thick armor or hide, mend stretched muscles and teach yourself to see beyond strength.

See Their Weakness

Level 3: You analyze your target of choice and take your first attack with advantage against that enemy, you may use one Ki point to add your proficiency bonus to the initial attack damage.  (proficiency also takes effect with multi-attack)

Riposte

Level 3: When an enemy misses an attack on you, you can expend 1 Ki point to make an attack against that target, dealing your proficiency bonus in addition to standard damage.

Perfecting Yourself

Your training has given you proficiency in, medicine, acrobatics, athletics, and perception.

Stoic

Level 6: You show no emotions with your body, you only move with purpose.  You have proficiency in resisting intimidation, and at performing deception and intimidation skill checks

Bone Breaker

Level 6: Using three Ki points, you make an attack against an enemy, identifying a one of the following targets: right/left arm, right/left leg, or the jaw. on a successful hit, the target makes a 10 + con modifier, constitution save, on a failure the target takes appropriate damage, and the limb is broken for the following effects:

Legs: the target’s movement is reduced by half. 

Arms: the target drops whatever is in that hand. 

Jaw: the target can no longer speak properly, making them unable to use vocal components for spells

Cleansing the Body

Level 6: On a short rest you can perform physical therapy on an ally using one Ki point, allowing them to add one extra hit dice to healing for that rest.

Piercing the Shell

Level 11: You analyze a target, and make an attack against the target, on a successful hit (add proficiency to hit) you hit the target in a weak point of their armor, lowering the target’s ac by 1.

One-Two Punch

Level 17: Using 6 Ki points, you analyze a target, then unleash 2 attacks against the target, the target must make a con save or take 50% of their max health in damage. If they pass, they take the damage equivalent of 2 unarmed attacks