User blog comment:IamJakuhoRaikoben/Chapter 446: The Land Abandoned By God, Review./@comment-121.54.125.142-20150728112848/@comment-24367018-20150728115257

To be honest, we don't know for definite. Personally I lean towards nay as Aquarius' key is knackered, but you never know what's left of it could be used for it.