A highly detailed, realistic 4k portrait of Monkey D. Luffy dressed in exquisite baroque attire, featuring intricate patterns and luxurious fabrics. His expression is bold and adventurous, with his signature straw hat transformed into a lavish, ornate headpiece. The backdrop includes elegant classical architecture, adding a sense of historic grandeur. His features are rendered with lifelike precision, capturing the spirit of a daring pirate in a sophisticated, opulent setting.