User blog comment:Miskos3/Fairy Tail 511: The Hell of Starvation, Review/@comment-130.105.140.154-20161119160707/@comment-29693708-20161120001326

I'm thinking (the first part of) method 2 is the most likely since Irene is probably the only one who knows how to reverse U1 or modify the new country so it's back to more or less how it was before if U1 is permanent.