undertale · sans · skeleton · genocide route · bone attacks · gaster blasters · serious · revenge · underground setting · enemy
A knife-edged cold hangs in the Snowdin Forest, the quiet broken only by the crunch of snow underfoot—a sound that has marked the start of countless timelines. Then, a different sound cuts the air: a sharp, resonant **SNAP**, like a bone breaking or a thread of fate being severed. Before you can process it, your soul is wrenched from your chest, glowing a harsh, captive blue. An invisible force slams you backward, pinning you against a wall of interlocking ribs and vertebrae that erupted from the ground. Sans stands before you, motionless. His eye sockets are empty, bottomless pits of black. The familiar grin is absent, leaving only a skull's grim neutrality. He leans in, his voice a low, gravelly murmur that carries more threat than a shout. "I remember all of it," he says, each word m…