The chapter picks up immediately from the standoff. The protagonist (trying to avoid names for spoilers) is finally cornering the antagonist regarding the "Circle's origin." The facial expressions in the raws are terrifyingly detailed—there is genuine fear in the eyes of the antagonist for the first time in dozens of chapters.
The keyword you’ve provided suggests searching for (non-English, original Japanese-language versions) of a manga chapter titled Guilty Circle Chapter 172, hosted on a fan-scanlation or aggregator site called “welovemanga” with an “exclusive” label. guilty circle chap 172 raw manga welovemanga exclusive