User blog comment:PUNCHURPREGNANT/Gray and Silver Predictions/@comment-202.81.30.16-20140627110253

But I have a theory that Silver is still alive when Deliora used Silver's body. And when Ur used Ice shell, she killed Deliora, but Gray's father survived. And I believe that it is him that is inside Deliora. I bet he's just pretending and he will help Fairy Tail against Tartaros.