cowboy, Arthur Morgan, speedrun pose, dynamic action, revolver drawing, western outfit, leather boots, detailed gun belt, rugged jeans, white shirt, brown hat, intense expression, galloping horse, dusty trail, cacti, desert landscape, sunset, dynamic shadows, action-packed, full-body shot, high-speed motion blur, old saloon in background, tumbleweeds, clear blue sky, high noon sun, cinematic widescreen, ultra-realistic textures, vibrant colors, dynamic camera angle, adrenaline rush atmosphere.