The Midnight Mosaic is formed from interlocking pieces of translucent film that shimmer with a spectral glow. It can project fleeting horror vignettes onto any surface, revealing connections between league narratives. Its form subtly shifts to reflect the current venue's subgenre, and it emits a constant, low-frequency hum that evokes vintage cinema equipment.

The Midnight Mosaic weaves together the horror narratives of different leagues, ensuring that each venue's B-movie subgenre contributes to a seamless grindhouse saga and that players' archetype evolutions are interconnected.