
Originally Posted by
Iscah
There's an interview from HW era on that which I should have bookmarked last time it came up - basically somehow the symbol linked to Azeyma also made its way elsewhere and in this case became linked to Sephirot instead.
The writers may have been setting up "Azem inspired sun gods everywhere" for a very long time, or at least setting plot hooks that later turned into it.
A mor elikely doylist expaliantion is that they took some existing ruins and copypasted them there, with that explanation being a retcon added to justify it
the Azem revelations however seem relevant to this as well as you suggest, but those might also been a retcon of sorts