FX shows life in decay in the new “American Horror Story: Apocalypse” promo, which is engulfed in radioactive gas. The new season, which mashes together “Murder House” and “Coven”, brings upon the apocalypse September 12th.

Jessica Lange will be reprising the role of “Murder House” character Constance Langdon. Taissa Farmiga, Gabourey Sidibe, Lily Rabe, Frances Conroy and Stevie Nicks also return.

Cody Fern (“Assassination of Gianni Versace”) will be playing the adult version of Tate’s evil baby from “Murder House.” He’s not just evil, he’s the Anti-Christ.

Also confirmed are Sarah Paulson as Cordelia Foxx and Billie Dean Howard, Emma Roberts as Madison Montgomery, Evan Peters, Kathy Bates, Joan Collins, Cheyenne Jackson, Billie Lourd, Leslie Grossman, Billy Eichner and Adina Porter.

Jeffrey Bowyer-Chapman (“UnReal”) and Kyle Allen (“The Path”) recently joined the cast, both actors appearing in a “guest” capacity.