rosevris kismessis real because vriska would be the type to pen the shittiest fake spell book known to man just destroying the established mythos of the old gods which Rose regularly prays to and then publishes it under a fake name that's still painfully obviously her and she hands it to Rose as a "gift", smiling, saying maybe Rose should learn some reeeeeeeeal magic for once and knowing that it's all bullshit and Rose has to keep from snapping a knitting needle in half