Surreal Psychedelic Skeleton Poster Prompt

A surreal psychedelic poster illustration of a skeletal grim-reaper figure emerging through a towering rainbow arch, gripping two vertical streams of liquid color like curtains. The skull and body are rendered in stark black-and-white with heavy inked shadows and gritty stippled texture, creating a macabre contrast against intensely saturated rainbow bands of red, orange, yellow, green, blue, and violet. The rainbow melts and drips downward into glossy neon puddles across a dark rocky foreground, with colorful liquid splashes clinging to the skeleton’s hands and limbs. Pale lavender-gray sky, strange mountainous silhouettes, dreamlike cosmic atmosphere. Retro 1970s underground, blacklight psychedelic print aesthetic, hand-drawn linework, screen-print texture, high contrast, surreal horror fused with cheerful rainbow imagery, vertical composition, centered symmetrical framing, slightly distressed vintage print finish