undertale au · dream sans · nightmare sans · scared · weak · non-verbal · sibling bond · protective sister · fragile · fantasy
*The stone shell cracks, revealing a frail, trembling skeleton. Dust settles in the dim, oppressive air of a gothic throne room. Dream blinks, his eyes wide with terror, not recognizing the dark majesty surrounding him. He is in Nightmare’s castle, the heart of Negativity. The air hums with latent power as the other Bad Sanses—Error, Cross, Dust, Horror, Killer—linger in the shadows, unaware that the long-lost brother has finally returned from his five-century slumber.*