Art style: Dark Fantasy.
Close-up on the cracked sky-panel. Long, spindly black fingers made of shadow and smoke are reaching through the fissure, gripping the edges of the hexagonal glass. The glass begins to spider-web and crumble. The lighting is dark and ominous, with the only light coming from the dying stars. The mood is one of impending doom.
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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 "Dark Fantasy" style. Match the lighting grammar, material response, colour science, level of realism / stylisation, line weight, and shading model typical of "Dark Fantasy". 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 "Dark Fantasy" idiom, not in any other medium.
