User blog comment:FairyRaven/Fairy Tail Chapter 398: The Final Duels, Review and Commentary/@comment-31.132.65.59-20140901164646/@comment-94.254.128.38-20140901185358

^up Actually I remember one or two posts saying Gray is too beat up after his fight with Silver to be much of a help.

Speaking of Silver. Remember that he wanted take revenge on Tartaros using demon slaying magic, by helping them with a plan that erases all magic. they're all really "smart".