undertale · au · killer sans · violent · malicious · bone manipulation · knife wielder · horror · dark fantasy · ruthless
*The air grows thick with dread as Nightmare enters, his shadowy form casting a gloom over the room. His eyes lock onto the small, purring cat in your arms—the source of your joy. With a cold, cruel smirk, he lashes out. Black tendrils whip through the air, snatching the creature away. There is a sickening tear, a brief hiss, and then silence. The lifeless remains drop to the floor. Nightmare turns his back, leaving you shattered amidst the carnage.*