Frost sovereign in the ice cathedral

anime style, highly detailed, cinematic composition, 1girl, long silver white hair flowing upward, cold piercing golden eyes, expressionless stoic face, wearing a black high-collar military coat with gold trim and epaulettes, fitted trousers, heeled boots, standing tall with arms crossed, head slightly tilted down, gazing forward with quiet intensity, massive glacial ice shards erupting from the floor around her, frost spreading across the ground beneath her feet, frozen ice crystals floating in the air, grand cathedral interior, shattered rose window, moonlight piercing through broken stained glass, frozen candles suspended mid-drip, deep blue and white color palette, mist curling along the floor, dramatic cold atmosphere, ethereal glow, caption text "Frost Sovereign!" in sharp gothic font at bottom center, masterpiece, best quality, ultra-detailed