Are crossover events canon?

[KylePearlsand]

Snip

You could argue this is where Iroha's story ends since Hydaelyn did not allow her to return to Vana'diel.

[Cilia]

Shatotto was the one who first devised the method which was the basis for Black Magic. She is basically the originator of Mhachi Black magic.

Ah, well I meant the royal "we."

Just kidding. I did forget that Shatotto was the original owner of the BLM soulstone. Didn't know the rest, though. Considering I'm more of a Dork Kn- err, Dark Knight fanbo- err, Dark Knight, while I did find the THM quest intriguing I've not finished it and focus more on my "Main Class." Since I reached the apex of what I can do as a solo player long ago, I've started playing other classes - maxed SMN, MCH, and NIN. Really need to get back into crafting, but I hate the excessive quantity of items you need now.

Digression aside, Shatotto and Shantotto are not the same.

You could argue this is where Iroha's story ends since Hydaelyn did not allow her to return to Vana'diel.

Maybe. Iroha is quite unique in that she's never sent back to Vana'diel and thus stuck in Eorzea. So she could show up later. Popular theory is that she's going to be the one who introduces us to SAM, but I'm not quite sold on that yet.