It's funny how we still have this whole "the plot is autocorrecting" misunderstanding from the reincarnation, but she's more or less a side character to Ain being a mamacon at this point.
Really, these kids escalated without realizing what it meant to be picking on someone with a higher social position, huh?
Anyway, Rosalie is only marginally less threatening than the Duke who now has leverage on a bunch of noble houses.