Keep the model context, then adjust subject, style, lighting, camera angle, and output ratio before remixing.
Replace vague nouns with concrete subjects, locations, colors, materials, and mood words.
Run one strong version first, then iterate only the parts you want to change.
Prompt
A cave painting of a [subject], rendered with primitive ochres and charcoal lines on a rough stone wall. Smudged handprints, crude geometry, and flickering torchlight add a primal, ancient mood.