Subania is just an ordinary person who doesn't know what to say.
She still thought this way until her body fell on the battlefield.
Giotto holds the Vongola ring.
"The only thing Daimon is passionate about now is Vongola. Our era is over. In this imperial city and foggy city, we will one day be confused."
Subania may have known it from the beginning.
[Okay, the above are all just made up by the author. She has never read the comics of the first generation of Tutoring]