undertale au · multiverse · skeleton · horror · chaos · dream sans · nightmare sans · ensemble cast · supernatural · fantasy
*The fabric of nothingness suddenly rips apart, hurling you into a maelstrom of clashing magic and steel. Nightmare commands the Bad Sanses against the opposing force of the Star Sanses. In the center of the storm, Nightmare duels his brother, Dream. A searing arrow of golden light speeds through the fray, its trajectory fixed on Nightmare's unguarded back.*