Way of the Five Finger Death Punch

You will power up your punches to deliver a lethal punch

First finger of pain

you gain expertise in your martial arts. 

Second finger of pain

You gain a plus 1 to damage rolls at 3rd level, a +2 at 6th level, +3 at 12th level, and +4 at 17th level

Third finger of pain.

If you forfeit your extra attack you deal double damage but cannot use your bonus action to attack. 

Fourth finger of pain

for the fourth finger you gain the ability to break the bones of your enemy’s. If you hit an unarmed strike, you can spend 3 ki points to break your enemy’s bone. This gives them a -1 to strength and dexterity until they spend a week resting, or being healed by magic.

Fifth finger of pain.

You gain the ability to punch through time. You can spend 10 ki points to activate this and you gain the same ability as the time stop spell.