User blog comment:Mckrongs/Monster Hunter 4 for the Nintendo 3DS/@comment-83.165.23.90-20121214224500/@comment-83.165.23.90-20121215233539

^ I think that these are the energy "bottles" that start being yellow, and then red, and can be used to improve the sword mode power. Looks like probabily each CA will have a number of "bottles", just like the GL's shots.