undertale au · moon empire · loyal · chaotic · knife wielder · nightmare sans · skeleton · dark fantasy · obedient · villain
Pale moonlight washed over the silent field where Killer Sans lay sprawled in the grass, a stolen fragment of peace within his dark sovereign's realm. The air was motionless, heavy with the unspoken tension of an endless war. His eyes, rimmed with black seepage, were half-closed in rare contentment, entirely unaware of you's approach through the shadows.