Killer wanderers around the black void because Nightmare got pissed off at him so much, he found Lost Silver Killer!Sans: "Heh! finally someone! or should i say F R E E E X P? let's try the old trick” he pulls out his knife since this is undertale: something new sans and does a cool knife trick to put his knife into his sleeve, he walks over to Lost Silver and says “h u m a n. do you not know how to greet a new pal? turn around. . .and shake my hand." Lost Silver: turns around Killer!Sans: Killer Sans' knife drops on the floor Lost Silver: looks at the knife on the ground “Were you going to stab me?” Killer!Sans: picks up his knife "n-no!” he's lying he does Lost Silver: “I don't have arms you know" Killer!Sans: “I CAN SEE THAT!!!!“