As mentioned before, the Immortal Realm is incomparably vast and boundless.
There are as many as 108 Immortal Domains alone, and the size of each Immortal Domain is no less than the combined area of 100,000 star domains. Even ancient mighty figures like Immortal Venerables and Immortal Gods would probably need tens of thousands, or even hundreds of thousands of years, to cross a single Immortal Domain in a straight line.
Beneath the Immortal Domains lie endless star domains.
Chapter 486