Thirty thousand years ago, the Emperor of Heaven was assassinated and died. The heaven was in turmoil and the throne changed. The Queen died young and had no children. The Concubine took the opportunity to collude with important ministers and elect her son as the new Emperor of Heaven.
The higher-ups in the heaven headed by the new Emperor were afraid of the increasingly powerful dragon clan, so they planned a conspiracy to demote the dragon clan, who were originally gods, into the lower realm and become demons. Naturally, the Dragon Clan was not willing to accept it. Coinciding with the Kraken Cholera, internal fighting in the four seas, the Dragon Clan's vitality was severely damaged and unable to compete with the heavens. New kings were replaced in the four seas, so they had to go into hibernation temporarily.
Also demoted along with the Dragon Clan was the Emperor's sister-in-law, Princess Duanyi Bai Yu.
The Emperor of Heaven and his biological mother were afraid of Princess Duanyi and sent troops to hunt her down. The princess fled all the way to the East China Sea and happened to meet Gu Jiuci, the leader of the Dragon Clan. Gu Jiuci rescued the princess and brought her back to the Dragon Palace. While the princess was recovering from her injuries, the two fell in love secretly and became husband and wife.
Later, it was revealed that the Emperor of Heaven and the Demon Realm jointly assassinated the Emperor of Heaven. The six realms were in an uproar, and the Heaven Realm once again fell into a melee. Princess Duanyi turned the tide with a woman's hands, ascended the throne of the Emperor of Heaven, and became the unequivocal Empress of the Heavenly Palace. After the chaos was brought to order, the Dragon clan took the lead, and the clan leader Gu Jiuci was named "King Yu'an".
Purpose: Resist injustice and bring order to chaos