A medieval knight in full armor

R3alisticF, a medieval knight in full armor, wielding a glowing sword, atop a rearing white horse. The knight wears a blue cloak and golden accents. The sky is stormy with dark clouds and lightning. The scene is dynamic, with debris flying and the horse's mane flowing. The knight's helmet is silver, and his armor is detailed with intricate designs. The image is highly detailed and realistic, with a dramatic, action-packed atmosphere.