Cowshoe Mask pursued the Gorengers in order to demonstrate the power of his "Black Cross Hurricane", developed based on the technology of the Gorenger Hurricane. During its first test, he has it become an actual black cross; it works but the explosion goes off behind the Gorengers thus making it a slight failure. Yet when Peggy and Asuka realize that the Black Cross can potentially use a Gorenger Hurricane ball they left in the waters of Matsuyama in Shikoku during a mistake made in finishing Shellfish Mask, they immediately head back and switch the ball with a fake so that Cowshoe Mask can get nowhere in his research. During a second attempt to test the ball in front of the Black Cross Führer and Golden Mask, Cowshoe Mask fails completely and the ball goes off in an explosion, not killing