As Shang continued to focus on his swordsmanship, the Emperors and Kings became tenser and tenser.
They weren't completely sure when Shang was supposed to die, but it should happen within this millennium.
This meant that the Lightning Emperor would probably try something soon, which could very well end with a huge number of deaths.
The Emperors knew that Gregorio had gone all-in on Shang, and since Shang wasn't allowed to become a Sword King, he had to try something to make him one without the permission of the other Emperors.
The Emperors were readying themselves for a final battle against Gregorio.
When they inevitably found out the way that Gregorio pushed Shang to become a Sword King, they would have to fight him.
Over the past millennia, the Emperors had also visited the Archivist several times.