This happened to me as well. I was all the way completed with everything Except the last level 6 upgrade, even though I used gems to skip the last set of requirements as I was running out of time, it did not update it to level 6. I'm not for sure why some people got Aideen without level 6 being completely done, but I'm glad she showed up because I sure spent enough gems, time, and energy on that event, so thx s8.