Collage of Acrobatics

Skill proficiency.

Starting at 3rd level, you gain proficiency in acrobatics skill if you don't have it already.

Flexible warrior.

Starting at 3rd level, you can use your action to expend one bardic inspiration die. For the next 10 minutes, you can add one roll of your bardic inspiration die to all damage rolls you make with a finesse weapon.

Masterful dodge.  

Starting at 6th level, whenever someone hits you with an attack roll, you can use your reaction to halve or quarter the damage. you can quarter the damage an amount of times equal to your charisma modifier. 

Also, whenever you are forced to make a dexterity saving through to make you take halve damage, you take no damage if you succeed and halve damage if you fail.

Performic acrobatics.

Starting at 14th level, you can add your charisma modifier to all of your acrobatics checks, and your dexterity modifier to all of your performance checks, no matter what they are for. Also, you can't be grappled except by magical means.