User blog comment:IamJakuhoRaikoben/Chapter 452: The Prelude to the Final Battle, Review./@comment-4449950-20150914051350/@comment-5268982-20150914110201

Perhaps it's not just Gray but Gray teamed up with Lyon vs. Invel. But since this already happened in OS arc, I'm gonna take a wild guess and say granny Ultear with her superior Ice Make = Time Magic will join the frame to save their asses.