Carcosa, the city of forgotten names and endless twilight, exists both as a place and a contagion of memory. Its ruler, the King in Yellow, has no fixed form—he is an echo that inhabits hosts, warping reality through dreams and despair.
Through Long Feng, the King in Yellow finds his most potent vessel. His influence spreads not by armies, but by eroding the stability of worlds, bleeding the Materium into nightmare realms. The shrines, the Dream Web, and the Cintamani are all pieces in his cosmic game.
When Carcosa breaches the veil in Eastern Europe during WWII, the result is a city overlaid on ruins, erasing history as it exists. The Qi’tet’s sealing ritual in Rennes-le-Château is an act of desperate magic, combining Tesla’s resonators, Esther’s Phoenix Crown, and the Mandala Core to push Carcosa back beyond the veil.
But sealing is not destruction. Carcosa lingers, waiting for fractures to widen again. The King in Yellow is not a villain that can be slain—he is a force that must be contained, again and again, as long as memory itself can falter.
The shadow he casts ensures that the war for reality is never truly over.
The Maharajagar 