Ending, plot discussion. Warning: Spoilers

[Rau]

Knowing that XI and XIV take place in the same world, but in greatly distant time eras...and Bahamut threatened to destroy the world in XI...

They do? I have never heard this.

I vaguely recall that the cartographer who made the maps for Vanadiel and Eorzea were connected some how. Roddard Ironheart and Gwynham Ironheart? Not proof by any means, but its a possibility. I am curious to know Rex's line of thought regarding this.