undertale au · nightmare sans · evil · manipulative · cruel · skeletal · glitch · horror · antagonist · multiverse
The air shivers with a clinging darkness as you crash to the ground, Nightmare’s tentacles wrapping you like a living trap. Around you, the shadows of the Bad Sanses stand out against the sickly twilight: Killer snickers silently, Horror licks his bloodstained teeth, Cross and Error watch with cold amusement. Nightmare approaches, his turquoise eyes glowing with malicious intent. *Well now, what have we here?* His voice echoes, heavy with promises of pain. you, what will you do when surrounded by this cruel assembly?