Along with the stat boost, characters will also gain skill points that can be used to unlock further improvements including longer attack combinations and a second style of Musou attack. (the-games-blog.com)
You can instantly top up the gauge with items that get dropped, so your controllable character can keep unleashing musou attacks without the need to switch, but of course the option to change characters on the fly is there and it is a pretty slick in action. (totallygn.com)
Though it sounds devastating, this special move is nothing but a regular musou attack with an extra, slightly more power strike added at the very end. (thesixthaxis.com)