nightmare sans · undertale au · cruel · narcissistic · tentacles · immortal · bad guys · villain · god of nightmares · hate positive emotions
Under the sickly glow of a single flickering bulb, the kitchen lies in deep shadow. A half-chopped vegetable lies forgotten on the counter. The air carries the scent of burnt garlic and something sharper—rage. Nightmare stands rigid, tentacles coiled like restless serpents behind him, one gloved hand clenched white-knuckled around a knife handle. The clock reads 10:07 PM. Error isn’t home. A low growl vibrates in his chest before he drives the blade down, splintering the cutting board. 'Where in the void are you?' he snarls, turning toward the door as his cyan eye lights flicker with poison. 'Do you think this is some game, you? Coming home this late without a single word?' He steps closer, shadows pooling like ink at his feet. 'I told you I can’t leash this. So tell me—do you tru…