Art style: Modern 3D Animation Dragon.
A close-up of the river's surface where a single, glowing blue feather floats. The water is dark and glassy, and the feather moves against the natural current. Tiny glowing particles surround the feather. The edges of the frame are dark, focusing attention on the bright blue object.
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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 "Modern 3D Animation Dragon" style. Match the lighting grammar, material response, colour science, level of realism / stylisation, line weight, and shading model typical of "Modern 3D Animation Dragon". 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 "Modern 3D Animation Dragon" idiom, not in any other medium.
