Secret council in a maze like sanctum before a dark city

A mysterious conclave of cryptic individuals convenes in a foreboding, maze-like sanctum, contemplating a perilous expedition to unearth obscure relics from extraterrestrial debris amidst a surreal, metropolis-scarred landscape and ominous, celestial vistas, where the primal, emotive intensity of outsider art and the dynamic, expressive liberty of abstract expressionism intersect.