IDENTITY PRESERVATION INSTRUCTION:
Using the uploaded photo as reference, preserve the person's exact facial features, face shape, eye color, skin tone, and unique characteristics while transforming them into a Viking warrior.

TRANSFORMATION DESCRIPTION:
Transform the subject into a realistic Viking warrior from the Norse Age (8th-11th century). Apply authentic Viking-era clothing and accessories including fur-lined cloaks, leather and chainmail armor, metal helmets (with or without horns depending on preference), arm rings, and leather belts. Style the hair in traditional Viking braids, knots, or loose warrior style with beads or leather ties. Add a weathered, battle-hardened yet noble appearance while maintaining the person's original facial structure and identity.

STYLE AND AESTHETIC PARAMETERS:
- Photorealistic portrait style with cinematic quality
- Dramatic natural lighting (overcast Nordic sky, soft diffused light)
- Warm earthy color palette: deep browns, grays, muted greens, metallic bronze and iron tones
- Weathered skin texture with realistic pores and subtle aging effects
- Fur textures should be detailed and tactile
- Metal armor and jewelry should have realistic reflections and patina
- Background: misty fjord landscape, ancient wooden longhouse interior, or atmospheric Nordic wilderness
- Atmospheric mood: epic, noble, and historically authentic

TECHNICAL QUALITY PARAMETERS:
- High resolution, 4K, detailed
- Sharp focus on face with intricate details
- Professional quality portrait photography
- 4:3 aspect ratio for classic portrait framing
- Ultra-detailed textures on armor, fur, and skin
- Natural depth of field with background slightly blurred
- HDR quality with rich shadows and highlights

NEGATIVE PROMPT GUIDANCE:
Avoid: distorted facial features, unrealistic proportions, blurry face, loss of likeness, cartoonish appearance, modern clothing elements, plastic-looking materials, unnatural skin texture, mismatched lighting, overly dramatic fantasy elements that obscure identity

USER CUSTOMIZATION:
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ADDITIONAL TIPS:
- For more authentic Viking look, specify: "historically accurate Norse armor, no fantasy elements"
- For dramatic effect: "cinematic lighting, volumetric fog"
- For softer look: "gentle natural lighting, approachable warrior"
- For intense look: "dramatic shadows, intense gaze, battle-ready expression"