Painting of a man riding a horse in a field near a castle

(best quality,4k,highres,masterpiece:1.2),ultra-detailed,realistic,fantasy art,medieval fortress,dark atmosphere,dramatic lighting,castle,ancient architecture,stone wall,massive wooden doors,towering turrets,carved decorations,moat with drawbridge,gloomy sky,ominous clouds,twilight,isolated setting,minimalist landscape,peaceful countryside,rolling hills,lush green grass,medieval knight,bold and courageous,short yellow hair,yellow armor,strong and muscular,confident stance,shiny sword and shield,intense gaze,serious expression,protection,guardian,solemn silence