[Pfffft... There's no escaping it. She's going down as having some shred of niceness. Accept it. Embrace it. It's her destiny. Frisk is going to give her a funny look, though.]

Actually... very dramatic, too.

[Like, please. That's one big end of the world fantasy, right there.]

Don't think you'd have to use a knife, anyways... Can just give bad people a rash with cool plants?