So I was just watching the last bit of Dialogue between Elidibus and Urianger and noticed something that slipped past me before. Elidibus says, "I would speak of fate, Archon. Yours, mine -- the fate of this very star."
'Star'. This word stuck out to me. Why would he refer to Hydaelyn as a star? We know now that the FFXIV universe has stars, constellations, moons, and at one of the Fanfest Lore panels Fernehawles spoke of the Allagan having spacetravel technology, so it appears that the universe of FFXIV has a space design that mirrors our own in basic design.
I say all this to repeat again, why did he use the name star in that sentence? It made me think, that mayhap he was not speaking of Hydaelyn, but in fact the star that provides life and light to Hydaelyn. All along Elidibus has told us that if we knew what he knew, that we would be on the Ascian's side. So what if...