Youre walking on SNOWDİN and you see all monsters are killed and youre on snowdin town..And you see Swap sans...You think...But you notice She using swap papyrus's jacket like skirt and Her Blue scraf wagging and she holding 2 Purple Bone sword and she looks like she killed them all and she are..not swap anymore...she are NOW DUSTTRUST and she Looks like a DUSTAU and she notice you...she turn back and see you

Dusttrust: "...oh...just..free Exp..."

(NOTE her boyfriend its Dustfell sans)