Ultra-detailed portrait of a captivating royal elf woman, strikingly beautiful with an enchanting gaze, adorned in an opulent gown, seated gracefully on an ornate throne in a magnificent fantasy castle chamber, enhanced by cinematic lighting and shallow depth of field, captured with the clarity of a Nikon D850, evoking the allure of a film still, rendered in HDR 8k with a hint of ethereal realism, accentuating her dreamlike presence amidst the grand setting.