Prompt:

Draw a green turtle carrying a long sword on its back. The turtle shell has fine and delicate patterns, giving it a hard and sturdy appearance. The turtle's head wears a brightly colored turban, which slightly flutters in the wind, adding a touch of dynamism. The turtle's eyes are bright and expressive, with a resolute expression. The background can be chosen as a mysterious forest or an ancient battlefield, giving the overall image an adventurous and brave atmosphere.