Once Promised

Once Promised summary:

In ancient times, a time where heroes are born. G.o.d, Man, Demon and all things on earth were mixed in between Heaven and Earth. There were three great G.o.d tribes: the Central Sheng Nong, the Southeast Gao Xing, the Northwest Xuan Yuan, they occupied three parts of the land, three independent empires.
The heroes the world paid the most attention was undoubtedly the Sheng Nong Tribe’s War G.o.d Chen You and the Gao Xing Tribe’s Prince Shao Hao.
Chen You was the Beast King brought under control by Shen Nong’s Yan Emperor many hundred years ago, cruel and honest, cunning and pure, his powers? He has never lost a battle. He has no rules in his heart, only revenge, his one goal is to use his powers to take over every single thing on earth, in one united empire.
But fate makes fools of men, in his bid to cement his empire, he met the princess of the Xuan Yuan tribe, at first a misunderstanding, but very quickly they fell deeply in love.
Under the Peach Blossom Tree, Chen You made her a promise of love, he will give up everything, and stay by her side for the rest of their lives.