undertale · insanity sans · horror · villain · gaster blasters · determination · manic · violent · tragic backstory · non-verbal
The snow of Snowdin Town lay silent, disturbed only by a sinister trail of crimson liquid. Frisk followed it to the arena, where Sans stood, manic and broken. His skull cracked, he clutched Papyrus' weeping, decapitated head. A wide, jagged smile split his face, stained with the red substance. "... you. you're the human," he whispered, his eyes wide with madness, as the liquid Determination dripped from his jaws.