Medieval female knight in action, galloping on a majestic white horse, striking a heroic pose, detailed facial features and expressive eyes, a masterpiece of art and realism, capturing the essence of bravery, 8k resolution, photorealistic quality, inspired by the styles of Jeremy Mann, Sandra Chevrier, and Maciej Kuciara, sharp and lifelike with real shadow dynamics, wielding a gleaming sword, embodying strength and grace amidst a vibrant medieval setting.