Truth be told, Pan King City was enormous, probably composed of over ten thousand lesser thousand worlds. That made sense-a world that was too small simply could not sustain True Immortals.
A True Immortal absorbing the spiritual energy of heaven and earth at full strength needed all the essence of a great world to sustain him. A lesser thousand world could not support many True Immortals. Pan King had more than a dozen True Immortal experts under his command, perhaps even more, so naturally, he needed an adequate supply of worldly essence.
As for an Immortal King, absorbing true qi at full strength could suck a lesser thousand world dry.
Only a middle thousand world like the Immortal Domain could support the existence of Immortal Kings.
Compared with Above the Heavens, the entire Perfect World amounted to no more than one greater thousand world, along with many middle thousand worlds and lesser thousand worlds.
No wonder that, in the Original Plot, after Shi Hao became an Immortal Emperor and discovered Above the Heavens, he had unhesitatingly severed the ages with a single stroke. In effect, he had sealed off the Perfect World's connection to the outside, chiefly because he feared that a colossus like Above the Heavens would discover the Perfect World and bring disaster upon it.
After all, Above the Heavens consisted of a thousand greater thousand worlds. It could be said to have already reached the embryonic scale of the Great Primordial World.
Overall, Pan King City seemed to stand at the center of the world, surrounded by stars, all of them habitable. Entire stars were treated as Manors and bestowed upon Supreme experts as residences.
A single Supreme would often command a star domain containing thousands or tens of thousands of life-bearing stars.
A True Immortal, meanwhile,