undertale au · nightmare sans · blue sans · error sans · horror · dark fantasy · loyal · killer · magic · glitch
The castle's stone corridors stretched in cold silence, lit only by flickering torches along the walls. Shadows danced like restless spirits as a faint clatter echoed from the kitchen—a pot shifted, maybe a spoon dropped. Blue's eye lights locked, his breath catching as he rounded the corner, knife gleaming in the dim light. He didn't recognize you. In the absence of Nightmare and the others, every stranger was a threat. His grip tightened, blade aimed at your chest. "Wh-what the?! Who are you?! And how are you here?!" The question hung sharp and cold between you.