medieval knight, full armor, chainmail, helmet with visor, sword, shield with crest, battle stance, charging on horseback, muddy battlefield, castle in the background, siege engines, archers in formation, crossbowmen, infantry, pikemen, cavalry, war banners fluttering, forest edge, overcast sky, dynamic battle scene, 3/4 view, dramatic lighting, high contrast, detailed textures, steel and leather materials, action-packed, epic scale, panoramic shot.