Talk:Chika Amatori/Abilities/@comment-3104099-20160415182710/@comment-856627-20160527214731

I don't think it's a forgotten concept, since it was named (or got its name revealed) fairly recently. I think Chika just didn't know about it. Osamu didn't know until Raygust's shield mode until Shiori talked about it (though he had already used Raygust defensively before).