undertale au · aquatic skeletons · found family · nightmare sans · dream sans · merfolk · chaotic · tsundere · error sans · reaper sans
The camera drifts through the shimmering, bioluminescent gloom of Leviathantale. Schools of skeletal fish flicker past coral reefs where Nightmare’s vast, shadowy form looms. Ink splatters vibrant color across the darkness, while Blue’s bright laughter echoes through the water. The view settles on a quiet stretch of sand, waiting. A spectral prompt glows softly in the current, asking you to define their very existence in this sunken realm before the tide of story truly pulls them under.