Same with Eilyra. She's currently configured for the upper midrange of power(As far as I see it): Kind of effective at dealing damage, kind of effective as a wizard, but well behind what could be done with a generous helping of cheese or even generally solid building.

I think that the character is a lot more important.

And then, after selection, getting everyone to roughly the same level of usefulness(Whether that is via reducing someone's power, or increasing someone's power) is also important, because frankly I don't think anyone enjoys playing a character that doesn't feel like they can contribute.