Medieval female knight gallantly charging on a majestic white steed, exuding bravery, with intricately detailed facial features and expressive eyes, Masterpiece quality, high-definition, immersive realism, influenced by the styles of Jeremy Mann, Sandra Chevrier, and Maciej Kuciara, crisp and lifelike, true-to-life shadows, brandishing a finely-crafted sword, amidst a picturesque backdrop of a medieval battlefield, with subtle creative enhancements to enhance depth and narrative.