I still feel Riedra is your best bet. Do no think of the quorri as everpresent; the average Riedran does not even know they exist. Also they really meet most of your given criteria particularly in the border between Nulakesh and Ohr Kaluun. Strong racial tensions exist, the area is dominated by human, the Kaluunites are arguably the best fit as a former country that has an institutional use of dark arcane and divine magic and the current Riedran society has strong superstitions against the arcane.
Thrane's issues with the arcane are political not religious and mostly present because the Thrane-Aundair border was constantly disputed.
I'd love to help you with Forgotten Realms though what choronology would you be using there? In truth superstition against the arcane is very rare in FR outside Lutcheq in Chessenta.
Thrane's issues with the arcane are political not religious and mostly present because the Thrane-Aundair border was constantly disputed.
I'd love to help you with Forgotten Realms though what choronology would you be using there? In truth superstition against the arcane is very rare in FR outside Lutcheq in Chessenta.