neat, I'd suggest powering her down a little and have her not be S-class yet.
We have a bunch of those already, plus the next story arc is going to be S-class trials. You'll have more fun kicking ass at the trials than you'll have at helping hold the trials.
You get to decide of course.
As a celestial wizard you can probably make/be friends with Eli and Ursa.

Either way I think i'd say accepted.