I know we can't rely on the Benchmark for Story purposes but it's interesting how much Sharlayan is acting like a "Crystarium" for it: crafters working together, adventurers assembling for battle, characters researching. I would have guessed for story purposes it'd be Radz-at-Han.
Although with Sharalyan as the "big city", it's weird it wouldn't be our "base of operations" for EW. Of course, one could argue that Kugane also wasn't our "base of operations" for StB, but StB was... different.
One way or another I can't wait for November (the 19th! Twelve be gracious!)