User blog comment:PUNCHURPREGNANT/Gray and Silver Predictions/@comment-80.133.153.54-20140302214645/@comment-120.145.192.28-20140308090203

Well, think about it as though during the dragon ark when Ultear reversed time it created a parrelel time line of evryone dying besides gray, forcing him to adapt to such a harsh life style, he would have needed to find some form of a stringer magic, so he decided to seek out demon slaying powers, and maybe eventually he tought he should leave a horrid world like that do he took the portal that the dragons came from met end zeref agnolgica etc, and they enhanced his capabilities on to a completely different level also making him immortal and he lived his life from the on out