User blog comment:Omega natsu2/Chapter 367: Jellal vs. Oración Seis, Predictions./@comment-190.172.188.65-20140113050538


 * Silver is Future/Alternate-Timeline Gray Fullbuster, who's hellbent on killing demons as they're the responsibles of him losing everything (When a child his parents, and the town, and Ur. Maybe in the future or in an alternate timeline he lost his friends on FT or the guild itself got destroyed by a demon, which would explain him having a Demon-Slayer magic. He would join Tartarus and become a demon to ultimately do an inside job and obliterate all demons, including him. (Short version bolded)
 * Some kind of Nakama power/Plot armor will release Natsu from his frozen cage.
 * A lot of fanservice