[It takes Undyne a moment to regain her bearings in order to stare at the human? No, something seems off about the girl, even though Undyne is no expert at humans herself. The girl reminds her of those silly training dummies in the Waterfall.]

"Yeah...What proof do you have? You have no idea what I've been through." [She's a bit snappy right now given her recent predicament with a certain violent human child and being thrown into a new world.] "Wanna tell me where I'm at if this isn't the afterlife?"