User blog comment:FairyRaven/Fairy Tail Chapter 470: Hybrid Theory, Review and Commentary/@comment-26042226-20160125135230

I get the feeling the wheel of 'blades' on God Serena could be the Dragon Lacrimas, but I also doubt it because said Lacrimas most likely need to be in the person's body..

And also, I didn't bother counting how many 'blades' there were on Serena's attire, but if I'm wrong, then that's probably why