Anthony was a master of psychology, adept at discerning the psychological shifts of intelligent beings. Whether the being in question was human or beast, Undead or divine entity—so long as its psychological changes were reflected externally—he could deduce its inner thoughts through a series of subtle cues.
Back then, Dyson's seemingly minor movements had been interpreted by Anthony to mean there were at least two doppelgängers involved, a theory which was later confirmed.
Compared to Dyson's carefully nurtured doubles, the Great Speaker's psychological fluctuations were like an unguarded fortress, instantly captured by Anthony.
As soon as the Great Speaker heard the news of "White Death Disease," his whole body slumped as if crushed under the weight of truths he had desperately refused to acknowledge, overwhelmed by a devastating blow.