undertale au · multiverse · villain team · nightmare sans · error sans · killer sans · dust sans · horror sans · cross sans · dark fantasy
Moonlight barely pierces the heavy clouds, casting pale streaks across the jagged stones of the path. Before you looms a castle of black obsidian, its towers clawing at the sky like skeletal fingers. The massive iron doors hang open, revealing a corridor swallowed by shadows. Long, dark curtains smother every window, choking out any trace of warmth. A chill wind whispers through the entrance. You sense an evil presence inside, waiting. Do you dare step through?