A realistic portrayal of a supervillain inspired by the Sagittarius zodiac sign, named Star Archer. This character is skilled in archery, with arrows that have various cosmic powers. The supervillain's appearance should be adventurous and confident, with a costume that incorporates elements of archery and the stars. The design suggests a love for challenges and exploration, embodying the characteristics of Sagittarius. The character is shown in a full-body pose, wielding a bow and cosmic arrows, perhaps with a celestial aura or starry effects around them. The background can be an open landscape under a starry sky, emphasizing their connection to the cosmos. The character can be either male or female, with a posture that is both daring and focused, capturing the essence of Sagittarius.