It is said that when the God Emperor fought with the Unholy one he received a deep wound.
From this wound, he bled 9 crystal-like drops. From this 9 drops of blood 9 creatures where born.
From the first drop, the Solar Lion of Yang.
From the Second drop, the Lunar Ape of Yin.
From the third drop, the White Tiger of Metal.
From the fourth drop, the Azure Dragon of Wood.
From the fifth drop, the Vermilion Bird of Fire.
From the sixth drop, the Black Tortoise of Water.
From the seventh drop, the Yellow Serpent of Earth.
From the eighth drop, the Primordial Human of Chaos.
And from the ninth drop, the Everlasting lotus of Immortality.
The Everlasting Lotus was mysteriously assassinated by someone, but thanks to a treasure that his father gave him, his soul was preserved and transported to one if the mortal domains, where it took over the body of Wei Jin, a young master of the Wei family.
From there Everlasting began his journey back to the God Domain to find and kill his assassin.