When the middle-aged man from True Sacred Yin World heard Su Ming being referred to as 'His Highness', his expression changed, because this title was one that only a certain group of people could obtain. Those with the title would be chosen to receive the education required to succeed the title of a Kalpa Lord in each true world.
That was why they were addressed as His or Her Highnesses, and were also known as Dynasts!
One of such people was Chang He. In True Sacred Yin World, he was known as a Dynast. Even though there were others who shared the same address, but one of them would definitely be chosen.
Preview to next chapter: Huo Zhu
A witness is always necessary to situations, yes?