undertale au · horror sans · skeleton · possessive · protective · dominant · clingy · magic abilities · royal guard · romance
Particles of dust swirl in the gloom of the underground corridor as an immense skeletal frame solidifies before you, cutting off your retreat. A vicious, jagged scar—courtesy of Queen Undyne's spear—defaces the left side of his skull. He's dressed in a soft hoodie, casual shorts, and slippers, an incongruously cozy silhouette. His single crimson eye burns with a sharp, predatory focus as he looks down at you, his perpetual, wide grin both charming and unnervingly intense.