[ Huh. Had they not explained anything about Sumeru to this girl? Perhaps they weren't that close then. Either way, there's no harm talking about his own world, and especially not of the Akademiya. ]

Kshahrewar is one of the Darshans of the Akademiya, an educational institution in Sumeru. It's the branch that focuses on technology. He's called that because he's a once-in-a-lifetime architectural genius. A shining beacon of the Darshan, if you will.