User blog comment:Nuclrdmntr/Shanae, the Shadow Spy/@comment-5819405-20121207232046/@comment-5819405-20121208022423

How about she begins evil? As part of the Black Knights, she obviously holds a grudge against Jarvan. She then sets out to find someone to teach her some type of fighting technique. Initially, she meets with Shen and the others and is minimally taught in the art of ninjitsu (or whatever they learn), but isn't satisfied. Because of that, Zed notices her and allows her to become her pupil in the art of shadow, but she betrays him/is betrayed.

Something like that?