You have trained your ki and body intensly to gain mastery of your martial arts. You are able to seemingly do superhuman feats of speed and strength.

Trainee of the Martial Arts

At 3rd level you have a limited well of ki that you expend and continue to fight. On your turn, you can use a bonus action to regain hit points equal to 1d10 + your monk level. Once you use this feature, you must finish a short or long rest before you can use it again. Additionally you choose one of the following abilities: Afterimage Strike, Power Punch, and Ki Sprint. You may choose another ability at 6th level and again at 11th.

Afterimage Strike

At 3rd level you may spend 2 ki points to move side to side so fast that it creates the illusion of standing still until the start of your next turn. When any creature tries to attack, you break the illusion and counterattack.

Ki Sprint

At 3rd level when you choose this option you may use a bonus action to spend 2 ki points to cast the longstrider spell without the material compoents targeting yourself.

Power Punch

At 3rd level you can spend 2 ki points to channel your ki to your fists and increase the power of unarmed strikes. Your unarmed strike also count as a magical attack.

Windbreaker

At 6th level when you use unarmed strike you can spend 3 ki points to create a mighty blast of air, which deals 3d8 force damage. Any creature within a 20ft cylinder must make a STR save. On a successful save the creature takes half-damage and is not pushed, on a failed save the creature takes full damage, is pushed 10ft back and knocked prone. Plus and extra 1d8 force damage for every additional ki point spent. If you are in the air when you use this ability you are also pushed 10ft in the opposite direction of your punch or kick.

Simultaneous Strike

At 11th level after successfully making a unarmed strike you may spend 5 ki points to attack with unarmed strike 1d12 additional times (roll damage for each strike), at any creature within 10ft of you. For every additional ki point spent add 1 more unarmed strike to the attack.

Finishing Blow

At 17th level you may spend 13 ki points to make a unarmed strike attack against any creature in a 10ft range. If the attack hits the creature will take 13d12 bludgeoning damage. Also any creature in a 50ft cylinder must make a STR saving throw, if failed the creature is pushed back 20ft, knocked prone, and takes 3d10 force damage. If success the creature is not pushed or knocked prone and takes half damage. For every extra 1 ki point spent you add a extra 1d12 to the damage.