Way of Atomic Karate

Through daily practice and Mastery over your form you have augmented your martial art style in explosive ways. You become capable of shattering matter around you.

your mantra reads
Ancient wisdom, arcane art
Martial prowess that will stop your heart
Epic power, discipline
Nuclear moves that always win!

Punch of destruction

When you hit a creature with an unarmed strike you supercharge the air around them and cause molecules to burst 

When you land a unarmed strike you can spend ki points to deal damage in a 10ft radius to hostile creatures the damage is 2d6 radiant damage per ki point. Spending more that 3 ki points at a time causes you to take half the damage you deal with this explosion.

Super Heated Fist and Atomic Defense

Your ki is super heats your body and pushes you body beyond its limits allowing you to resist certain attacks depending on your situation. Spending ki causes your punches to deal extra damage

For 10 minutes after you spend a ki point you deal extra damage to anyone hit by unarmed strikes the damage equals 2 of your martial art die and does radiant damage. For this duration you also gain resistance to two damage types of your choice 

Atom Splinting High Kick

You’ve unlocked a new method of matter destruction. When you do a flashy high kick instead of an unarmed strike from flurry of blows you split an atom with shear force.

You may spend 2 ki point to replace one of your flurry of blows unarmed strikes with a high kick the splits atoms around you. You deal 8d6 radiant damage to hostile creatures in a 30ft radius centered on you.

Head Exploding Presence

All you must do to inflict pain on your foes is show up to the fight

Creatures Hostile to you with in 10ft must make a Charisma saving throw against 8 + your proficiency + your wisdom modifier or take 10d10 psychic damage do to your sheer awesomeness after a creature succeeds or fails they are immune to this effect for 1 week As your sheer awesomeness is burned into they’re brain

And Now I am Become Death

Through sheer force of cool you emanate nuclear power. Additionally your black belt is traded for a super black belt, which is 4 times blacker than the standard black belt.You may shatter the molecules in your foes and use them to gain strength

You may use your action to spend 4 ki and Every enemy within a 30ft radius takes 10d8 necrotic damage and you gain temporary hp equal to half the damage dealt. You can do this a number of times equal to your proficiency