C134 Expedition to the Holy Capital(part Ii)
"Among them, I am a relative of Cousin Lis and Cousin Chanel, and I am the king of the waltz world. But this is only for countries, because above us, there is the Holy See, the lord of this interface.
"According to my master, our interface is only one of several dozen in the Azure Emperor's history. As long as you have the cultivation of a mage, you can freely pass through this boundary