So from the harley texts, there must be a forest g o d, a water g o d (here represented as ZAZA), a sun g o d (nika), and a moon g o d (and maybe a half-moon g o d, or the ppl worshipping the moon are called that?).
1st world: "The enslaved prayed, and the sun g o d appeared.
The earth g o d raged, and with its serpent of hellfire, shrouded the world in death and darkness."
The sun is obviously the old joy boy, but i think the earth might be mu-- if not mu, whatever conjured devil fruits-- and 800+ yrs ago mu got the first one and wreaked havoc with niddhogg to continuously enslave people (since he seems to be nostalgic for nidhogg differently than joyboy).
2nd world:
"The forest god tamed demons and the sun spread the fires of war. <-i'm assuming that means made mu and then joyboy tried to liberate the people (insight rebellion).
Those of the half-moon dreamed. <- who are of the half-moon?
Those of the moon dreamed. <- who are of the moon? who has the moon?
Man killed the sun and became god, and the sea god stormed. <-joyboy dies and zaza rages, creating fear in people above the clouds. (i'm assuming 'zaza' back then was actually Nefertari Lili with that power).
And they will never meet." <- it seemed like lili loved joyboy (i could be misremembering) and they never met that final time since imu killed joyboy.
yeah i'm pretty hardcore... Into yaoi!