Upon observing the current situation, Duncan, who was ready to openly step forward and admit "I am indeed the traitor," immediately retreated without drawing any attention and watched the state of affairs at the gathering with the attitude of a spectator enjoying the show.
It turned out there wasn't just one traitor among them—that girl in the black dress had given him a sense of disharmony from the very beginning. At first, Duncan had thought it was simply her youthful and serene demeanor that didn't fit in with this heretical gathering, but he hadn't expected this turn of events.
He noticed that the gathering's leader mentioned two terms: Abyssal Hound, Obliteration Sect.