Way Of the Thousand Arms

changelog:
1.0 released 
1.1 replaced 11th level feature
1.2 removed the ability to create additional limbs on yourself; added a duration to limbs of 1 minute; reduced amount of additional attacks from torrent of blows; gave advantage to perfected grapple; added limit on thousand arms of up to 10 ki points; a handful of wording clarifications 

Hundred Arms Technique

at 3rd level as a bonus action create extra body parts anywhere within 30ft area for 1 ki point, you can not put the limbs on other living creatures, they act as though they were your real body parts, taking dammage or performing actions for you, they last for 1 minute or untill dismissed as a reaction while not on your turn, or a free action during your turn. you can create bodymass arround the weight of 2 limbs. you can have 1 created limb at 3rd level, 2 at 6th, 3 at 11th, 4 at 17th 

Advanced grapple

at 3rd level, when taking the grapple action you may use your dexterity(acrobatics) instead of strength(athletics) for the check.

Torrent of blows

at 6th level, when using flurry of blows you do an additional attack through each created body part, if it is capable of making unarmed attacks. this is limited to one additional attack at level 6, two at level 11, and unlimited at level 17

perfected grapple

at 11th level, when you land an unarmed strike through one of your hundred arms, you can expend the use of 1 ki point to make a grapple check as a free action, you have advantage on this grapple check 

Thousand Arms

At 17th level, you gain the ability to use the Thousand Arms technique 
as an action on your turn, you can spend any number of ki points up to 10, and create an equivilent number of arms, breaking the usual cap of hundred arms, on creation you can make one unarmed strike with each created limb