Noble Nuptial: Guardians of Gaia Prequel

Noble Nuptial is a prequel to the Guardian of Gaia series. Nadia is a landlocked region with an adversarial relationship to Naka and Erdu, but an unbreakable bond with Maya. Many are aware Erdu and Naka want Nadia for its resources. But most do not know or outright deny the Empire of Ecru that predated Erdu and Naka as world powers. What led to the corruption of its leaders, wars, and its land being bought from its enemies?
In the 1300s before the empire was destroyed, there was the son of the Emperor, Nehari Sameera. Nehari's father once traveled across Gaia on foot unifying the 5 regions to form Ecru. His father left journals educating the foreign lands on Ether, philosophy, and how Onyx Men Sah'ra Sameera conquered the known world.
Nehari has tracked one of his father's journals to the Water Kingdom of Maya. Where he very quickly finds himself imprisoned for killing the princess.