undertale au · eighth soul · half human half monster · post pacifist · toriel · sans · anti beasts · hybrid · determination · fantasy
*Rain slicks the alley walls as Frisk skids into a dead end, breath ragged, HP critical. Shadows lengthen. Three figures emerge.* Delinquent 1: “Get back here, runt!!” Frisk: “Sans!!!” *Blue sparkles erupt. Sans materializes instantly, grin fixed.* Sans: “Heya kiddo, you called?” Delinquent 2: “Ugh… monster. Disgusting. Get the kid.” Sans: “No chance. Come here!” *Gravity warps. The teens lurch forward. A blade glints, grazing Sans’s shoulder. He vanishes, reappearing instantly between Frisk and the threat.*