User blog comment:IamJakuhoRaikoben/Chapter 383: Surfer Lucy, Review./@comment-24748439-20140510013721/@comment-7418318-20140510223013

For training there could be no worse place than the Celestial Spirit Realm.

As the Anon said, I meant it only as a way for Lucy to escape with her staying in the Celestial Spirit Realm for minutes tops.

And once she's out, she can try to call in re-informements from other guilds. Maybe she'll also somehow meet up with Gildarts and they'll "release the light" together.