Judging by the sequence of their conversation, Randy was afraid that the Society Leader would begin to talk about something else or try to persuade him any further. Thus, he wasted no time leaving when he noticed the topic kept digressing.
Moments later, Randy unexpectedly returned to the room and then informed the Society Leader about the two demons attempting to procure some sacrifices in the village.
Furthermore, he mentioned that since he ran into those demons, they couldn't take any humans as sacrifices. He then also hinted by saying that they might've already done this act before and that the Society Leader needed to think about it himself.
After saying that, he immediately left the room again, leaving the Society Leader speechless.
"What a cold fellow…" The Society Leader shook his head and muttered shortly after he had left the room with a bitter smile on his face.