Leto Atreides II, Duke of Caladan, noble posture, strong facial features, short brown hair, piercing blue eyes, thin eyebrows, slight beard, luxurious white and gold attire, intricate embroidery, ornate chest plate, leather gloves, holding a sand trout, serene desert background, endless dunes, warm sunlight, clear blue sky, subtle wind blowing sand particles, cinematic composition, shallow depth of field, realistic texture.