A beautifully crafted illustration capturing the essence of a masterpiece, featuring a single girl with highly detailed facial features and expressive eyes resembling golden symbols. She is adorned in intricately detailed clothing, with a radiant golden holy cross as a background element. The image is enhanced by side lighting, evoking the style of Alphonse Mucha. It is rendered in stunning UHD, HDR, 8K quality to emphasize the richness of details and colors. Any potential flaws like duplicate or distorted elements, such as cloned or disfigured features, are carefully avoided to maintain the integrity and beauty of the artwork. The focus is on achieving clarity, avoiding blurriness, low resolution, and distractions such as watermarks or text.