Ren

From foster kid to awkward teen, Ren Nagel has always wanted to be ""normal."" But, that's probably never going to happen. Ren is just a little more than human--she's an Implement sent to Earth to save the world. She knows what she's supposed to be doing, but for now, Ren is ignoring all the signs.
Bound by promises she made a very long time ago, and with the help of her friends--some human, some not--Ren reluctantly sets out on an adventure that, if it doesn't kill her, will change her life--and everyone else's.

There are other Implements out there whose help she needs to keep humanity from destroying itself, but first she's got to find them. And then, she's got a few debts to pay with her old friend Karma ...