"Three mighty Highgod rulers jointly govern Callum Plane Prison. These three lords are also known as the Three Supremes of Callum Plane Prison."
"The Three Supremes divided the core region of Plane Prison into three territories. Each became a domain lord, established a domain city, and commanded countless elite soldiers and powerful subordinates. Their armies were made up of gods, and even included Highgod commanders!"
"Besides the domain cities, other Highgods have established cities throughout Plane Prison. In Plane Prison, only Highgods are qualified to establish a city."
The black-robed Saint Domain expert shared everything he knew.
"Which city is closest to here?" Rahula asked.
"Pingshan City in the Black Horn Domain should be the closest city to the outer region," the black-robed Saint Domain expert replied without hesitation.
"Tell me about the Black Horn Domain."
"The Black Horn Domain belongs to Black Horn Sovereign, one of the Three Supremes. Apart from the Black Horn Domain City, there are seventeen other cities. Pingshan City ranks in the upper middle."
"I've heard that Pingshan City Lord once killed a Highgod. His strength far surpasses that of an ordinary Highgod."
Combining the black-robed Saint Domain expert's information with what he knew from the original story, Rahula made some guesses.
The Three Supremes should be similar to the Five Great Kings in the original story.
Their minimum strength should be that of a Six-Star demon, close to the Seven-Star level. Of course, it was possible that one of them was a freak like Bluefire, who had reached the Asura level.
As for the Highgod city lords capable of establishing cities, they were definitely stronger than ordinary Highgods. At a conservative estimate, they should be Four-Star demons, close to the Five-Star level.
"Though Plane Prison can't compare to the Supreme Plane, there's still a