A formidable Persian shahrbanu from a fictional ancient Achaemenid empire stands in her moonlit palace garden during a celestial eclipse, wearing layers of silver-threaded silk robes in deep midnight blue and rose gold with intricate gem-encrusted jewelry and a towering jeweled turban, her dark hair adorned with silver chains and moonstone drops, gripping a ceremonial golden scepter, fierce mystical expression, dramatic eclipse illumination with deep indigo and silver moonlight contrasting warm lantern glow from palace windows, rich details of cascading marble fountains and Persian carpet gardens, oil painting texture with digital precision, powerful dignified three-quarter composition against epic celestial eclipse sky with emerging stars, 4k hyperdetailed digital art