A highly detailed portrait of a slender woman with defined abdominal muscles, a flat chest, and small breasts, wearing medieval armor that exposes her midriff, elegantly posing on horseback under a soft, golden sunlight in an expansive field. Her armor displays intricate craftsmanship, rendered in ultra-realistic and high-definition detail. The scene captures a harmonious blend of strength and grace, with the horse standing majestically, enveloped by the gentle glow of the setting sun. The composition is meticulously crafted to highlight the delicate features of the armor and the serene ambiance of the landscape, maintaining clarity and focus throughout. The image avoids common visual pitfalls such as distortions, unnecessary noise, and any elements that detract from the overall quality and aesthetic of the portrait.