Now, how to reply without panicking her over the idea that her universe might be fictional? Which isn't even actually the idea here; but if you don't know about ~~~~~~~ ~~~~~~~~~, and the generalized notion of ~~~~ of ~~~~~~~ that let you imagine alternate such ~~~~, and ~~~~~~ ~~~~~~ of ~~~~~~ ~~~~~~~~ embedded in other ~~~~~~~, and ~~~~~~ generalizing ~~~~~~ ~~~~~~~~, what do you even say that the smart-but-ignorant Golarion native doesn't just parse down to 'possibly we're all just a generalized illusion or maybe trapped in some sort of book, sure go panic now'.
This is the most disturbing Detect Thoughts that Abrogail has ever read.