I wonder if Ultear is already dead, on the verge of death and beyond saving, On the verge of death but savable, turned into a very old Ultear.
It's not Fairy Tail's style to kill off characters, let alone kill them without some sad words. Will Gray come tell her that she saved the world, or will she just die off and think it was all in vain.
I refuse to believe that because that would be way to cruel for Hiro, if this was Attack on Titan then it would've been the obvious choice XD.
I liked that her death caused a world wide deja vu moment, but if everyone received a deja vu wouldn't the enemies receive one too and counter it's effect ? Bit of a plot hole that only the good guys were able to use it to their advantage.