A medieval female knight in action, astride a majestic white horse, striking a heroic pose with a detailed face and expressive eyes, embodying a masterpiece in best quality 8k, radiating photorealism. Inspired by the artistry of Jeremy Mann, Sandra Chevrier, and Maciej Kuciara, her form is captured with sharp, realistic precision and true-to-life shadows. She wields a gleaming sword with determination, amidst an epic landscape. Despite its low resolution and pixelated texture in certain elements, the scene retains its powerful, dynamic essence, evoking a sense of timeless valor and strength.