[quote=@Bright_Ops]
...At some point, are we going to have a Council of Nicea situation pop up? Because that would be interesting to say the least. Even more so when you consider that we have numerous gods with their own followings who could actually be in attendance themselves.  
[/quote]

I'm not sure if we have enough prominent religions, and religions that are separate enough from the deity they worship for that deity not to provide an answer through prophets, for mortals to host a debate on the nature of the gods. So far I think what religions we have are-

-Chippers, Hain followers of Teknall, who believe (correctly) that he wants them to learn, travel, and teach others

-The Grand Parade, a Shalanoir-based travelling religious order dedicated to promoting culture and technology under Ilunabar and the Divas

-Sin cults in Xerxes, dedicated to hedonism, and general worship of Enas Amartia as a god-emperor in that area

-Zephyrionic monotheism in Vetros, where the nature of djinni is fairly well understood and the belief in other deities is heretical (but practiced anyway on the low-key) (Probably the best candidate for a Nicene debate now I think about it)

-Djinni cults, in which powerful local djinni are prayed to for good harvests and safe weather and such, probably worldwide

-Vestecian hordes seem to consider themselves personally tasked with spreading chaos in Vestec's name

-There's some residual worship of Elysium, the heir of Logos, among humans (who came from Arcon); She's later also called Lysiuh, and the Realta are considered her purifying light in Xerxes and beyond

-Urtelem pray to their patrons Callused Hands (Teknall, their creator) and Spiral Palms (Jvan, who stimulated their cultural growth)

-Hain know of Slough as the Life Deer, but I don't think they pray to her so much as just acknowledge her role in the cycle of life

-Presumable Toun-worship thanks to his contributions to Rovaick civilisation. Sularn's Vow might count as a religion, though it's more of a practical set of ideals taken by Rovaick to protect themselves from White Giants.

-Mesathalassan shamanism, an animist tradition of celibacy held mostly by hunters, I think, borrowing aspects of Djinni and Life Deer worship as well as Chipper dedication to helping others

-Lifprasil is considered a deity in Alefpria, though this is more just a plain fact, since he's mostly a very practical governor

It's worth noting that while Sculptors are also called the 'Jvanic Cult', they're not a religious order, just a species that's very closely tied to a deity. Sculptors are probably the least likely creatures to worship Jvan, as they know her personally, and ultimately know the volatile, human mundanity of her personality.