Póster retro de ciencia ficción con un horror cósmico emergiendo

They emerged from the darkness between realms. 1970s hand-painted sci-fi movie poster, classic theatrical one-sheet, dramatic airbrushed illustration, bold heroic composition, exaggerated lighting, cosmic horror atmosphere, retro color palette, grainy print texture, visible brush strokes, analog imperfections, painted typography, no modern digital effects In a realm beyond our own, where the fabric of reality is torn, an otherworldly presence stirs, threatening to engulf the cosmos in an eternal shroud of darkness.