It seems Omega's writing staff simply do not know how Saints and their senses work, or They Just Didn't Care. It was always commented upon that Cosmo energy is basically the 6th, 7th and 8th senses, the first five is not important to a true Cosmo enlightened Saint, in fact, that's how Ikki achieved his 7th sense by having Shaka block all of his 5 others. In Omega we have Shiryu, a Saint of Legend as the series describe him and his friends, who apparently lost his 5 senses in battle, possibly against Mars, and the series treats him as if he became a vegetable. Shiryu can't see, can't feel, can't smell, can't hear, can't talk/taste, that's really bad, but that doesn't imply he can't move thus still being able to fight like usual, he should actually be stronger if any else by having those "fi