During an expedition of a research team in the Northern Lands of the Douluo Planet, they found a golden-silver patterned egg with Insulation of Soul Power of a Hundred Thousand years old spirit beast, during incubation time it hatched, and the level drop to less than ten years old, and a male baby got out from the egg. After hatching, he started to eat the shell of his own egg.
Captain pilot of the team, Lan Xiao and his wife, Nan Cheng returned to Tian Dou Planet together with the team and adopted son, Tang Xuanyu.
When Xuanyu was 6, his Spirit was rank 10, which is the max level innate soul power, he has " Innate Full Spirit Power ". Lan Xiao was worried about his son's safety, so he told Xuanyu to lie about his real power: his initial spirit rank was 3 and he attended school, Tian Luo Elementary Soul Academy - Zi Luo Branch, one year later because of sickness.
Xuanyu studied in Zi Luo Branch Soul Academy for one year and was recommended to advance into Elite Youth Class in Tian Luo Elementary Soul Academy because he was the top of the class (best combat ability and spiritual power), and he passed the entrance exam.