User blog comment:Bato of the Heavy Iron Rock Hammer/A thirteenth member of the Spriggan Twelve/@comment-25693405-20150724163332

If you look at the timeline the end of Fairy Tail Zero, it says that Yuriy died, so I'm not so sure about all this God Serena = Yuriy stuff. Yes, he could have been resurrected somehow, but it's not likely.