User blog comment:Mckrongs/Monster Hunter 4 for the Nintendo 3DS/@comment-83.165.23.90-20121214224500/@comment-83.165.23.90-20121216203632

^ I think that the charge will be only effective in sword mode. I mean, if you use the charge on the sword, it gets a damage buff, but as soon as you switch to axe mode it will be lost. That's my teory, maybe it's wrong.