[@vietmyke]

For the sword, I was thinking of something like a Progressive Knife from NGE but wasn't sure on how balanced it'd be.
As for the Age, I bumped it up a little. The reason she started at 16 is partial due to a "trial by fire" tradition in her family. They are supposed to be good after training for most their lives and if they can't survive on their own as Ronin then they failed the family.
[sub]Holy shit that sounds Asian af xd[/sub]

As for the other stuff, I'll get to you after the edits

EDIT: Some of the edits have been made.