User blog comment:IamJakuhoRaikoben/Chapter 389: The Twin Dragons vs. The King of Hades, Review./@comment-24800928-20140621025533/@comment-77.194.131.127-20140622090456

the control system is used to activate all the faces at the same time, if you activate just one you don't need it, so there isn't a plot hole, just a shitty translation