Pilar hears, later that Long Night, that Peranza suffered some kind of major mental break, details locked behind the infohazard containment conditions for that section of the Project, and is now a statue pending there being actual Chelish ilani to talk with her.
She knows, almost immediately, of course, that her earlier adventure must have been to talk Abarco (he's the one who took her cookie, looking not particularly happy about it) out of doing something severe to Peranza in the hopes of gathering more information from her.
Pilar is not quite able to stop herself from thinking that this is the result of her first, brief attempt to be cruel -