The Ancestral origin of the Nuer and Dinka people

Since time memorial, the Nuer and Dinka people have always referred to themselves as half-gods half-humans. Could this be true? The Nuer people have even taken this divinity further by referring to themselves as the only pure humans, or "Naath or nei ti Naath" in the nuer language. Have you ever wondered why?

Hundreds of thousands of years ago, in the swampy region around the Nile river, landed from the sky a god called Deng, the ancestor of all modern Nuer & Dinka people. According to Nuer & Dinka Mythology, Deng, soon after landing on earth, interacted with a human woman who bore him two daughters, Nyatuoi Deng - the ancestral mother of Nuer and Nyaruop Deng, the ancestral mother of Dinka.

In the last century alone, more powerful prophets and prophetess had emerged mostly out of the Nuer and Dinka people than all other tribes combined. But why? Are the gods continuing to maintain contacts with their hybrid Nuer & Dinka grand-offspring through prophets?
In the nineteen century, a powerful Prophet called "Ngundeng Boong" emerged out of nowhere. He went on to foretell many great prophecies, some of which include foretelling a great suffering that would befell Nuer and Dinka people. According to prophet Ngundeng, this great suffering would not only culminate in the the birth of a new nation, South Sudan but also to the alleviation of all suffering.

But just what does the name Ngundeng mean and where does it come from? The divine name "Ngundeng" is a derivative of Nuer and Dinka words, "Ngun" & "Deng" . Ngun is gift and Deng is god. Fascinating isn't it?

But why are the Nuer and Dinka people, who are believed to have a shared divine ancestral origin according to their mythology, trying to annihilate themselves, even though one of the greatest prophets of all time foretold that they would be given a new nation which they would enjoy and prosper?