Because of his special identity as a divine physician.
When providing specialized treatment to severely injured patients, Bi Dongshan sometimes needed to enter their True Mansion and offer more comprehensive care.
Bi Dongshan had seen at least ten True Mansions at or above the "Intercontinental" level... but he had never seen a True Mansion World like Yu Jing's.
Although "diversity" in a True Mansion World was rare, Bi Dongshan had seen it before.
Tong Gu's Insect World possessed "diversity." In that True Mansion resembling a tropical rainforest, the King Insect ruled over everything, while different kinds of insects moved about inside. Some insects had even evolved different attributes as they grew.
But Yu Jing's world was different. Higher life forms were not the same as insects. Seeing higher life forms in a True Mansion was practically a miracle.
A True Mansion was different from a real world. Logically speaking, it had no living environment capable of supporting the reproduction and growth of higher life forms.
In Yu Jing's True Mansion World, the Primordials reproduced rapidly, and their current total population had reached two hundred thousand.
The Primordials were most numerous in the central main city. There were also quite a few tribes and villages in the surrounding areas. The Primordials in these tribes did not mainly cultivate through plants. Instead, they practiced the Chaos Secret Art, Black Magic, elemental magic, and even soul cultivation.
In addition, Bi Dongshan stared at the central plain.
The five basic elemental steles and the Heaven Piercer World Tree surrounding the center left Bi Dongshan utterly stunned.
With the World Tree guarding it, the world was incredibly stable, and he understood why Yu Jing had dared to let him enter. With such a World Tree stabilizing the True Mansion, it would be extremely difficult for