Art style: Vintage Storybook.
Deep in the cave's narrow throat, Heracles locks both arms around the monstrous lion's neck as they crash against stone in a savage grapple. A close, low-angle shot emphasizes straining limbs, bared teeth, and the beast's huge claw scraping sparks from rock. Torchlight has nearly died, leaving only dim orange embers and cold reflected cave light across the struggle. The atmosphere is primal, desperate, and ferocious. Dust hangs thick in the air, and the palette is soot black, bloodless gray, ember orange, and dark gold.
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FINAL STYLE ENFORCEMENT (this is the authoritative rendering directive — it overrides any style wording elsewhere in the prompt):
Render this image entirely in "Vintage Storybook" style. Match the lighting grammar, material response, colour science, level of realism / stylisation, line weight, and shading model typical of "Vintage Storybook". Keep the subject, composition, camera angle, lighting direction, and colour palette from the description above — but EVERY surface, skin, fabric, material, and environmental element must be rendered in the "Vintage Storybook" idiom, not in any other medium.
