Swordsman and Sunset in Blue Oil Paint AI Image Prompt

On a white background, a streak of blue oil paint smears diagonally from the middle left to the lower middle right. Within the oil paint are swaying reeds, a setting sun, and a very small silhouette of a swordsman on horseback galloping from the lower middle right toward the middle left. The swordsman leans forward with a vigorous posture on the horse's back, the horse gallops with four hooves raised. Diagonal composition enhances dynamism and spatial sense. Uses oil painting and impasto style, combined with CG and 3D technology, rendered via Unreal Engine 5, 8K resolution, high quality, high material detail. Finely depict the oil paint brushstroke texture, the light and shadow of reed textures, the silhouette contours and postures of the swordsman and horse, precisely present the colors and lighting of the setting sun's afterglow, contrasting sharply with the white background.