A world's scope was simply too vast. Civilizations born from different world systems might very well not have reached the upper limit the world itself could contain.
Take the Daily Life Worlds where Kasumigaoka Utaha, Umaru, and Erina lived. Though their World Levels appeared low, that was merely speculation based on the level of Earth Civilization they lived in. In truth, no one could determine just how high the World Level of their worlds actually was.
After fictional works became real worlds, their worldviews naturally could not be limited to Earth or the Solar System. There had to be civilizations within the Universe far surpassing Earth Civilization, and the level of the worlds could not be determined by the civilization level of the Earth where they lived.
Therefore, purely in terms of a world's upper limit, there was not much difference in Su Yunqing's eyes between the Daily Life Worlds of Kasumigaoka Utaha and the others, and the worlds of Shendu, Marquis Voban, or even herself.
Because the upper limits of their respective systems were still far from reaching the upper limits of the worlds they inhabited.
Although Bai Xuan was powerful, with the combination of [Nature Authority] and the Status of [Child of the Azure Sky], he could even command a portion of the world's Authority. In a sense, aside from the world itself, no one stronger than him could possibly appear in the entire world.
But that was not Bai Xuan's true strength in his normal state. In fact, even after [Nature Authority] had been strengthened once, he was still a long way from the upper limit of his world.
In his normal state, his strength was roughly only at the Galaxy Level. It was merely because of [Nature Authority] that the power of a conceptual god like