[Dragon Clan Setting Conjecture] [Nidhogg] [Decryption and Filling in Pitfalls]
Who was Lu Mingze in "Dragon Clan" during the Dragon Clan period? What happened in the Age of Dragons? Why does the White King created by the Black King rebel? Why was the Black King in so much pain after the White King's rebellion? And why were the four twin dragon kings created? Why did the dragon kings unite with humans to kill their father?
It's all hidden in the history of the dragons, they're not well known, but you may be able to find the answer here.
This is not a novel, just a history book recording Nidhogg's unknown story.
