I am not well versed in the lore of the LRL, but isn't the point is everything is symmetric, fractal and a reflection?
One realm, with twin gods ruling over ten symmetric kingdom, each have their four elements balanced, within them moon and sun are represented. Somewhere one side can be more prominent, but will be balanced elsewhere and it never last long. Things are so intertwined, Moon/Sun and Mountain/River/Wind/Zenith are independents, knowing someone is more lined with a celestial body does not convey information about which aelementiri s.he also follows?
Anyway I think it is placing a lot of expectation on a campaign book not teased to be the conclusion to have a new god having an active part in the narrative.