The Foreign Realm was vast, incomparably expansive. Relatively speaking, even with resources put to the best possible use, the existence of the World Tree still meant that many places were clearly rich yet rarely visited.
It could be said that even the beings of this realm themselves might not be able to explore it to its very limits.
Thus, ancient universes like this one, allotted to Immortals, actually had another mission: to serve as nodes in the Heaven Domain's starry sky, responsible for watching over a region.
Otherwise, if some problem arose while an Undying King was in seclusion and contact could not be established, the consequences might be unknowable.
"Why does this city feel smaller than even the Imperial City?" Golden Hou was quite surprised as he looked at Immortal City before them.
As far as he was concerned, this entire ancient universe had been allotted to one person, so that person ought to fully display their strength and status. Yet in reality, the city was not particularly grand or vast.
"It varies from person to person. After all, not every Immortal likes outward appearances that hold little meaning," Chi Wuxia explained.
Of course, although Immortal City was small and lacked extravagant buildings, that did not mean it had truly "faded into the mass of ordinary cities."
If nothing else, the fact that it stood in the void, towering amid the boundless universe with suns, moons, and stars revolving around it, put it beyond comparison with mortal cities.
It was scarlet-black throughout, its walls engraved with Immortal Dao Patterns, as though it could remain aloft forever. Despite its compact size, it possessed an inexplicable grandeur.
"Unfamiliar faces. State your purpose. Where have you come from, and where are you going?"
Outside Immortal City, Spell Formations flickered in and out