The so-called Boundary River was a hollow zone at the junction between one universe and another. Because it lay at the boundary of two universes, sometimes things would happen here that one wouldn't see in an ordinary universe.
Since this Boundary River marked the divide between the Dragon Ascension Universe Country and the Feimei Universe Country, Dragon Ascension Universe Country seldom sent anyone into this zone. Feimei Universe Country, on the other hand, didn't really care about the jurisdiction of this small river, so this region could be said to be a place where rules were chaotic.
Tanpo Star, many years ago, was originally an unremarkable planet. Its resources were poor, its population sparse, and it was destitute and impoverished. Until one day, a Divine descended, healing people and teaching them better methods of cultivation. He stayed on this planet for a total of three years.